Aggregator

A vulnerability was found in Apple Watch up to 1.0.2 and classified as problematic. Affected by this issue is some unknown functionality of the component Kernel. The manipulation leads to improper input validation. This vulnerability is handled as CVE-2015-5869. The attack needs to be done within the local network. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Apple iOS up to 8.4.1. It has been declared as critical. This vulnerability affects unknown code of the file sys/openbsd/stack_protector.c of the component Kernel. The manipulation leads to improper input validation. This vulnerability was named CVE-2013-3951. The attack can be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, was found in Apple Watch up to 1.0.2. Affected is an unknown function of the component Kernel. The manipulation leads to improper input validation. This vulnerability is traded as CVE-2013-3951. It is possible to launch the attack on the local host. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Apple Mac OS X up to 10.8.3. It has been classified as critical. This affects the function RANDOM_HEX_STR of the file sys/openbsd/stack_protector.c of the component Setuid. The manipulation of the argument stack-guard leads to improper input validation. This vulnerability is uniquely identified as CVE-2013-3951. It is possible to initiate the attack remotely. There is no exploit available.

A vulnerability was found in Apple iOS up to 8.4.1. It has been rated as critical. This issue affects some unknown processing of the component Kernel. The manipulation leads to improper access controls. The identification of this vulnerability is CVE-2015-5882. The attack may be initiated remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as critical, has been found in Apple Watch up to 1.0.2. This issue affects some unknown processing of the component Kernel. The manipulation leads to memory corruption. The identification of this vulnerability is CVE-2015-5903. Attacking locally is a requirement. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability has been found in Apple Watch up to 1.0.2 and classified as critical. Affected by this vulnerability is an unknown functionality of the component Kernel. The manipulation leads to improper access controls. This vulnerability is known as CVE-2015-5882. The attack can be launched remotely. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability, which was classified as problematic, was found in Apple iOS up to 8.4.1. Affected is an unknown function of the component Safari. The manipulation leads to memory corruption (Bookmark). This vulnerability is traded as CVE-2015-5903. Attacking locally is a requirement. There is no exploit available. It is recommended to upgrade the affected component.

A vulnerability was found in Apple iOS up to 8.4.1. It has been classified as problematic. Affected is an unknown function of the component Kernel. The manipulation leads to memory corruption. This vulnerability is traded as CVE-2015-5903. Attacking locally is a requirement. There is no exploit available. It is recommended to upgrade the affected component.

A landmark global report from cybersecurity agencies emphasizes 17 attack techniques against Microsoft Active Directory and cautions organizations to step up protections. In the first of our two-part series, we offer five steps you can take today to shore up your AD defenses.

Microsoft’s Active Directory (AD) is at the heart of identity and access management (IAM) for organizations worldwide, making it an attractive target for cyberattackers. Concerns over the risks of AD compromise prompted cybersecurity agencies from Australia, Canada, New Zealand, U.K. and U.S. to issue a landmark report, Detecting and Mitigating Active Directory Compromises. The report, released in September, details 17 attack techniques, from Kerberoasting to Golden Ticket attacks, which, left unchecked, can enable attackers to take total control over systems.

In the first of our two-part series, we look beyond the report’s guidance for detecting and mitigating AD compromises to explore how organizations can institute a dynamic, proactive AD cybersecurity strategy. We discuss how continuous monitoring, adaptive defenses and risk-based prioritization can help security leaders protect their AD infrastructure. We provide five action items you can use to operationalize your identity security strategy.

In part two, we go beyond the basics to provide insight and guidance about additional areas of AD exposure worth addressing.

Attackers see AD as a gateway

As the backbone of authentication and authorization in most organizations, AD controls access to sensitive data and critical systems. Identity has become the modern control plane for enterprises, and attackers know that compromising AD can be their gateway to a treasure trove of information and control. High-profile attacks, such as those by Storm-0501 and Conti ransomware, demonstrate the devastating financial and operational impact that can result when AD security is breached.

It’s important to note that the report issued by the cyberagencies — known collectively as the Five Eyes Alliance — is much more than a compliance checklist. Too often, we see organizations approach such cybersecurity guidance by taking a series of one-off actions, assuming that ticking a few boxes ensures lasting security.

In reality, attackers exploit vulnerabilities as soon as they arise. Point-in-time compliance efforts can't keep up with the adaptive nature of today's cyberthreats. To stay ahead, organizations must go beyond compliance, adopting a continuous, adaptive approach that anticipates and mitigates risks in real-time, ensuring that AD remains secure against evolving threats.

From insight to action: Operationalizing the report's recommendations

The guidance from the cybersecurity agencies makes it clear: Active Directory isn't a "set-it-and-forget-it" system.

As AD environments continuously evolve — whether through new users, permission updates or expanded cloud integrations — cybersecurity strategies must evolve in tandem. Misconfigurations and identity-based vulnerabilities open new doorways to risk because they don't stay put. This is precisely why organizations must adopt a structured, real-time approach to managing AD, including continuous monitoring, risk-based prioritization and adaptive security practices responsive to the shifting threat landscape.

Operationalizing the report’s guidance requires more than static point-in-time tech fixes. It calls for a series of game-changing steps to keep your AD secure.

Below, we break down five key areas to focus on as you turn the report's guidance into actionable steps.

1. Continuously monitor with real-time visibility

Organizations often behave as though AD is a static system, a thing to be configured once and then assumed to be secure. However, as the Five Eyes report illustrates, AD is in constant flux, with each change potentially opening new vulnerabilities. From new hires and permission updates to expanding cloud connections, any shift in AD can create an unseen entry point for attackers. Real-time visibility and continuous monitoring are behavioral steps to stay ahead of evolving risks.

Why it matters

Attackers thrive on hidden weaknesses, like subtle misconfigurations and creeping permission drift, exploiting tactics like DCSync and Kerberoasting to infiltrate your systems silently. Without real-time oversight, these tactics can remain undetected. That's why it’s essential to identify and prioritize identity weaknesses as soon as they surface — catching risks early stops attackers in their tracks.

What to do

• Automate monitoring: Implement tools that trigger real-time alerts on AD changes — flagging unexpected privilege escalations, risky permission shifts and service account modifications that could indicate an active breach attempt.
• Detect toxic combinations: Continuous monitoring allows security teams to spot dangerous combinations of permissions and misconfigurations — such as high privileges combined with weak passwords or accounts with overlapping permissions — before they're exploited.
• Implement immediate remediation: Establish processes for immediate response when high-risk changes are detected. The ability to revoke excessive permissions or adjust configurations in real-time significantly limits opportunities for attackers to escalate their actions.

2. Automate risk-based prioritization

Not every weakness in Active Directory carries the same level of risk Treating each issue with equal priority can drain resources while leaving critical exposures unattended. A risk-based model automatically prioritizes AD weaknesses and allows security teams to focus on the exposures that matter most, rather than getting bogged down in low-risk issues.

Why it matters

Among the 17 attack tactics highlighted in the Five Eyes report, some — like DCSync — might be more critical in traditional infrastructures, while others, such as password spraying, may pose a higher risk in cloud-heavy environments. Automated risk scoring tailors prioritization to your organization's unique setup, ensuring that high-impact threats are addressed promptly.

What to do

• Focus on dynamic risk scoring: Leverage tools that continuously evaluate and rank vulnerabilities, prioritizing them by exposure level, privilege escalation risks and known attack vectors. Start pinpointing the most exploitable risks so teams can zero in, ensuring critical exposures don't go unnoticed.
• Map potential attack paths: Visualizing attack paths to critical assets helps pinpoint which weaknesses are likely to be targeted and enables teams to allocate resources effectively.
• Prioritize for your environment: Tailor prioritization to fit your specific infrastructure — whether it's primarily on-premises, cloud-based or hybrid — so that the highest-risk exposures in your unique environment are addressed first.

3. Build operational resilience through least-privilege access

A resilient Active Directory environment relies on enforcing least-privilege access, granting users only the permissions they need to perform their roles. However, over time, privileges can expand unintentionally — through changes in group memberships, role adjustments or emergency access that is not promptly revoked. This "privilege creep" broadens the attack surface attackers can exploit, as excessive permissions make lateral movement and privilege escalation easier.

Why it matters

Excessive permissions in Active Directory enable various attack techniques, including Silver Ticket compromises where adversaries forge Kerberos tickets for unauthorized access. Without least-privilege enforcement, attackers can exploit over-permissioned accounts to move laterally and access sensitive resources undetected. Proper privilege management is essential to prevent these and other AD-based cyberattacks.

What to do

• Implement automated monthly scans: These can identify accounts with excessive privileges or permissions, flagging them for immediate review.
• Use role-based permission templates: These can standardize access across accounts, ensuring only the necessary privileges are granted.
• Enforce a 24-hour revoke policy: This limits temporary or emergency access, quickly closing off potential attack paths.
• Regularly audit service accounts: Giving service providers a regular "check-up" ensures their privileges align with their job description and that they aren't offering attackers any uninvited perks.

4. Set the stage for success with a preventive mindset

Your security mindset sets the stage for securing AD. We all know that responding to incidents after they occur is painful, especially when there is a chance to preemptively identify and address potential threats. The nature of the Five Eyes guidance is proactive. Understanding Indicators of Exposure (IoE) and looking for those early warning signs can help teams address vulnerabilities before they become an attacker's foothold in the network.

Why it matters

A reactive approach leaves security teams in constant catch-up mode, dealing with incidents as they happen instead of eliminating root causes. Focusing on IoE systematically closes off pathways that adversaries exploit to infiltrate environments. It also allows security teams to expand their protective reach without adding to their alert fatigue. This equates to a broader security strategy prioritizing long-term resilience over short-term fixes.

What to do

• Adopt an "assume breach" mindset: Treat every vulnerability as a potential entry point and monitor for exposure gaps around critical assets.
• Focus on IoE: Identify and track early signs of risk, such as misconfigurations or unusual permission changes. It is better to prevent breaches than to detect them after they happen.
• Battle-test defenses: Red team like you mean it. Don't just defend — pressure test. The best defenders aren't the ones who've never been hit — they're the ones who've learned from every attempted breach, actual or simulated.
• Continuously tune detection and response processes: Ensure your detection and response strategies are agile and adapt to the evolving threat landscape.

5. Ensure scalable, unified security operations across the enterprise

Enterprise expansion pits cybersecurity teams against a sprawling landscape of domains, assets and identities — each adding layers of complexity. When security forms a phalanx, with a unified approach of shared insights and tools, efficiency emerges and gaps close. Scaling security demands a cohesive strategy that seamlessly integrates identity management, asset visibility and threat detection into a single, unified framework, ensuring consistent security practices.

Why it matters

Lack of unification is a recipe for disaster. Without a platform that normalizes data and promotes shared understanding, teams work in silos, widening gaps in coverage and leaving critical assets vulnerable. In complex, multi-domain environments, it’s essential to take a unified approach — fostered by integrated, scalable platforms — for fast, coordinated responses to cyberthreats. By closing these gaps, organizations can maintain comprehensive oversight, enabling teams to keep pace with growth while ensuring consistent security across the enterprise.

What to do

• Integrate AD monitoring with broader IT operations: Align AD security monitoring with other IT functions through a unified platform. This will ensure all domains, whether cloud-based or on-premises, are monitored under a single pane of glass.
• Streamline IAM: Implement centralized IAM solutions to consistently manage identities across all environments, reducing the risk of orphaned accounts or inconsistent permissions.
• Automate policy enforcement: Use automation to enforce security policies across all domains, ensuring real-time adjustments and adherence to best practices as infrastructure changes.
• Enable cross-functional collaboration: Break down silos by fostering collaboration between IT, security and operations teams, enabling quicker response times and better information sharing.

What’s next: Additional considerations for comprehensive AD security

The above five steps offer a solid foundation for operationalizing the Five Eyes guidance. But stopping there misses important considerations for enhancing and adapting security strategies. In part two of this series, we go beyond the basics, offering guidance on achieving full coverage, addressing modern attack techniques and securing Active Directory and Entra ID as part of a holistic identity security approach.

Learn more

• Read part two in this series, Five Cyber Agencies Sound Alarm About Active Directory Attacks: Beyond the Basics
• View the on-demand webinar Detect and Mitigate 16 Commonly Deployed AD Compromises
• Read the data sheet Tenable ThreatMap for AD

The post Active Directory Under Attack: Five Eyes Guidance Targets Crucial Security Gaps appeared first on Security Boulevard.

A landmark global report from cybersecurity agencies emphasizes 17 attack techniques against Microsoft Active Directory and cautions organizations to step up protections. In the first of our two-part series, we offer five steps you can take today to shore up your AD defenses.

Microsoft’s Active Directory (AD) is at the heart of identity and access management (IAM) for organizations worldwide, making it an attractive target for cyberattackers. Concerns over the risks of AD compromise prompted cybersecurity agencies from Australia, Canada, New Zealand, U.K. and U.S. to issue a landmark report, Detecting and Mitigating Active Directory Compromises. The report, released in September, details 17 attack techniques, from Kerberoasting to Golden Ticket attacks, which, left unchecked, can enable attackers to take total control over systems.

In the first of our two-part series, we look beyond the report’s guidance for detecting and mitigating AD compromises to explore how organizations can institute a dynamic, proactive AD cybersecurity strategy. We discuss how continuous monitoring, adaptive defenses and risk-based prioritization can help security leaders protect their AD infrastructure. We provide five action items you can use to operationalize your identity security strategy.

In part two, we go beyond the basics to provide insight and guidance about additional areas of AD exposure worth addressing.

Attackers see AD as a gateway

As the backbone of authentication and authorization in most organizations, AD controls access to sensitive data and critical systems. Identity has become the modern control plane for enterprises, and attackers know that compromising AD can be their gateway to a treasure trove of information and control. High-profile attacks, such as those by Storm-0501 and Conti ransomware, demonstrate the devastating financial and operational impact that can result when AD security is breached.

It’s important to note that the report issued by the cyberagencies — known collectively as the Five Eyes Alliance — is much more than a compliance checklist. Too often, we see organizations approach such cybersecurity guidance by taking a series of one-off actions, assuming that ticking a few boxes ensures lasting security.

In reality, attackers exploit vulnerabilities as soon as they arise. Point-in-time compliance efforts can't keep up with the adaptive nature of today's cyberthreats. To stay ahead, organizations must go beyond compliance, adopting a continuous, adaptive approach that anticipates and mitigates risks in real-time, ensuring that AD remains secure against evolving threats.

From insight to action: Operationalizing the report's recommendations

The guidance from the cybersecurity agencies makes it clear: Active Directory isn't a "set-it-and-forget-it" system.

As AD environments continuously evolve — whether through new users, permission updates or expanded cloud integrations — cybersecurity strategies must evolve in tandem. Misconfigurations and identity-based vulnerabilities open new doorways to risk because they don't stay put. This is precisely why organizations must adopt a structured, real-time approach to managing AD, including continuous monitoring, risk-based prioritization and adaptive security practices responsive to the shifting threat landscape.

Operationalizing the report’s guidance requires more than static point-in-time tech fixes. It calls for a series of game-changing steps to keep your AD secure.

Below, we break down five key areas to focus on as you turn the report's guidance into actionable steps.

1. Continuously monitor with real-time visibility

Organizations often behave as though AD is a static system, a thing to be configured once and then assumed to be secure. However, as the Five Eyes report illustrates, AD is in constant flux, with each change potentially opening new vulnerabilities. From new hires and permission updates to expanding cloud connections, any shift in AD can create an unseen entry point for attackers. Real-time visibility and continuous monitoring are behavioral steps to stay ahead of evolving risks.

Why it matters

Attackers thrive on hidden weaknesses, like subtle misconfigurations and creeping permission drift, exploiting tactics like DCSync and Kerberoasting to infiltrate your systems silently. Without real-time oversight, these tactics can remain undetected. That's why it’s essential to identify and prioritize identity weaknesses as soon as they surface — catching risks early stops attackers in their tracks.

What to do

• Automate monitoring: Implement tools that trigger real-time alerts on AD changes — flagging unexpected privilege escalations, risky permission shifts and service account modifications that could indicate an active breach attempt.
• Detect toxic combinations: Continuous monitoring allows security teams to spot dangerous combinations of permissions and misconfigurations — such as high privileges combined with weak passwords or accounts with overlapping permissions — before they're exploited.
• Implement immediate remediation: Establish processes for immediate response when high-risk changes are detected. The ability to revoke excessive permissions or adjust configurations in real-time significantly limits opportunities for attackers to escalate their actions.

2. Automate risk-based prioritization

Not every weakness in Active Directory carries the same level of risk Treating each issue with equal priority can drain resources while leaving critical exposures unattended. A risk-based model automatically prioritizes AD weaknesses and allows security teams to focus on the exposures that matter most, rather than getting bogged down in low-risk issues.

Why it matters

Among the 17 attack tactics highlighted in the Five Eyes report, some — like DCSync — might be more critical in traditional infrastructures, while others, such as password spraying, may pose a higher risk in cloud-heavy environments. Automated risk scoring tailors prioritization to your organization's unique setup, ensuring that high-impact threats are addressed promptly.

What to do

• Focus on dynamic risk scoring: Leverage tools that continuously evaluate and rank vulnerabilities, prioritizing them by exposure level, privilege escalation risks and known attack vectors. Start pinpointing the most exploitable risks so teams can zero in, ensuring critical exposures don't go unnoticed.
• Map potential attack paths: Visualizing attack paths to critical assets helps pinpoint which weaknesses are likely to be targeted and enables teams to allocate resources effectively.
• Prioritize for your environment: Tailor prioritization to fit your specific infrastructure — whether it's primarily on-premises, cloud-based or hybrid — so that the highest-risk exposures in your unique environment are addressed first.

3. Build operational resilience through least-privilege access

A resilient Active Directory environment relies on enforcing least-privilege access, granting users only the permissions they need to perform their roles. However, over time, privileges can expand unintentionally — through changes in group memberships, role adjustments or emergency access that is not promptly revoked. This "privilege creep" broadens the attack surface attackers can exploit, as excessive permissions make lateral movement and privilege escalation easier.

Why it matters

Excessive permissions in Active Directory enable various attack techniques, including Silver Ticket compromises where adversaries forge Kerberos tickets for unauthorized access. Without least-privilege enforcement, attackers can exploit over-permissioned accounts to move laterally and access sensitive resources undetected. Proper privilege management is essential to prevent these and other AD-based cyberattacks.

What to do

• Implement automated monthly scans: These can identify accounts with excessive privileges or permissions, flagging them for immediate review.
• Use role-based permission templates: These can standardize access across accounts, ensuring only the necessary privileges are granted.
• Enforce a 24-hour revoke policy: This limits temporary or emergency access, quickly closing off potential attack paths.
• Regularly audit service accounts: Giving service providers a regular "check-up" ensures their privileges align with their job description and that they aren't offering attackers any uninvited perks.

4. Set the stage for success with a preventive mindset

Your security mindset sets the stage for securing AD. We all know that responding to incidents after they occur is painful, especially when there is a chance to preemptively identify and address potential threats. The nature of the Five Eyes guidance is proactive. Understanding Indicators of Exposure (IoE) and looking for those early warning signs can help teams address vulnerabilities before they become an attacker's foothold in the network.

Why it matters

A reactive approach leaves security teams in constant catch-up mode, dealing with incidents as they happen instead of eliminating root causes. Focusing on IoE systematically closes off pathways that adversaries exploit to infiltrate environments. It also allows security teams to expand their protective reach without adding to their alert fatigue. This equates to a broader security strategy prioritizing long-term resilience over short-term fixes.

What to do

• Adopt an "assume breach" mindset: Treat every vulnerability as a potential entry point and monitor for exposure gaps around critical assets.
• Focus on IoE: Identify and track early signs of risk, such as misconfigurations or unusual permission changes. It is better to prevent breaches than to detect them after they happen.
• Battle-test defenses: Red team like you mean it. Don't just defend — pressure test. The best defenders aren't the ones who've never been hit — they're the ones who've learned from every attempted breach, actual or simulated.
• Continuously tune detection and response processes: Ensure your detection and response strategies are agile and adapt to the evolving threat landscape.

5. Ensure scalable, unified security operations across the enterprise

Enterprise expansion pits cybersecurity teams against a sprawling landscape of domains, assets and identities — each adding layers of complexity. When security forms a phalanx, with a unified approach of shared insights and tools, efficiency emerges and gaps close. Scaling security demands a cohesive strategy that seamlessly integrates identity management, asset visibility and threat detection into a single, unified framework, ensuring consistent security practices.

Why it matters

Lack of unification is a recipe for disaster. Without a platform that normalizes data and promotes shared understanding, teams work in silos, widening gaps in coverage and leaving critical assets vulnerable. In complex, multi-domain environments, it’s essential to take a unified approach — fostered by integrated, scalable platforms — for fast, coordinated responses to cyberthreats. By closing these gaps, organizations can maintain comprehensive oversight, enabling teams to keep pace with growth while ensuring consistent security across the enterprise.

What to do

• Integrate AD monitoring with broader IT operations: Align AD security monitoring with other IT functions through a unified platform. This will ensure all domains, whether cloud-based or on-premises, are monitored under a single pane of glass.
• Streamline IAM: Implement centralized IAM solutions to consistently manage identities across all environments, reducing the risk of orphaned accounts or inconsistent permissions.
• Automate policy enforcement: Use automation to enforce security policies across all domains, ensuring real-time adjustments and adherence to best practices as infrastructure changes.
• Enable cross-functional collaboration: Break down silos by fostering collaboration between IT, security and operations teams, enabling quicker response times and better information sharing.

What’s next: Additional considerations for comprehensive AD security

The above five steps offer a solid foundation for operationalizing the Five Eyes guidance. But stopping there misses important considerations for enhancing and adapting security strategies. In part two of this series, we go beyond the basics, offering guidance on achieving full coverage, addressing modern attack techniques and securing Active Directory and Entra ID as part of a holistic identity security approach.

Learn more

• Read part two in this series, Five Cyber Agencies Sound Alarm About Active Directory Attacks: Beyond the Basics
• View the on-demand webinar Detect and Mitigate 16 Commonly Deployed AD Compromises
• Read the data sheet Tenable ThreatMap for AD

A landmark global report emphasizes 17 attack techniques against Microsoft Active Directory and cautions organizations to step up protections. In the second of our two-part series, we take you beyond the basics to highlight three key areas to focus on.

The landmark report Detecting and Mitigating Active Directory Compromises — released in September by cybersecurity agencies in Australia, Canada, New Zealand, U.K. and U.S. — shines a bright light on the risks organizations face if their identity and access management (IAM) system is targeted by cyberattackers.

In the first of our two-part series, we discussed five steps organizations can take to operationalize the report findings and develop a cybersecurity strategy for protecting their Microsoft Active Directory (AD) infrastructure. While these steps are important, stopping there misses crucial considerations that can further enhance security strategies.

Here, in part two, we look beyond the basics to provide three key areas cybersecurity leaders can consider in order to achieve full coverage, address modern attack techniques and secure Active Directory and its cloud-based counterpart Entra ID (formerly Azure AD) as part of a holistic identity security approach.

1. Implement full coverage for Active Directory in hybrid environments

While basic AD assessment tools provide valuable insights, they fall short in today's hybrid environments, where on-premises AD and cloud identities intersect. Point-in-time scans risk missing active threats like Kerberoasting, DCSync and password spraying — techniques that cyberattackers can execute repeatedly to evade periodic checks.

Why full coverage matters

• Classic AD threats persist: Traditional attacks targeting AD authentication and replication remain powerful weapons for attackers, requiring constant vigilance.
• Unified identity monitoring: Modern environments sync on-premises AD with cloud services. Changes in either domain can create vulnerabilities in the other, demanding unified visibility.
• Cross-environment risks: Attackers combine classic AD exploitation with cloud service attacks. Monitoring must track permissions and configurations across this expanded attack surface.
• Real-time response: Effective security requires immediate visibility into hybrid threats — from password spraying against synced accounts to privileged credential theft.

What to do

• Enable unified monitoring: Use tools that offer continuous visibility across both AD and Entra ID to catch threats wherever they arise, maintaining seamless oversight.
• Set up key threat alerts: Configure automated alerts for threats like Kerberoasting and DCSync, particularly for synced accounts, to react immediately to suspicious activity.
• Map and review permissions: Regularly audit permissions across AD and Entra ID to spot gaps or misconfigurations that attackers might exploit.
• Enforce multi-factor authentication (MFA) and conditional access: Strengthen high-privilege accounts with MFA and adaptive policies, aligning access controls to risk signals across both environments.

2. Address modern attack techniques

While the report from the five cybersecurity agencies — known collectively as the Five Eyes Alliance — highlights 17 AD compromise methods, these cover only the most common tactics. If attackers were only so simple! Their approaches are also exploiting AD's connections with Entra ID, software as a service (SaaS) applications and hybrid clouds. To stay secure, organizations must look beyond static techniques and adapt to today's dynamic threat landscape.

Why modernizing matters

Focusing only on known techniques can leave a lot on the table for today’s attackers, who leverage AD's complex integrations, developing methods that fall outside standard tactics yet pose serious risks. A comprehensive, adaptive security approach prepares teams to counter both established and evolving threats.

What to do

• Update your threat model: Adapt threat assessments to include new, advanced techniques relevant to your network.
• Foster a proactive culture: Encourage education on evolving threats and a flexible response approach.
• Use real-time threat intelligence: Integrate real-time insights to detect and respond to emerging techniques.

3. Don't Overlook Entra ID

While the Five Eyes report highlights compromises in on-premises Active Directory, protecting cloud-based directory services, like Entra ID, is equally important as organizations expand into the cloud. Attackers are increasingly pivoting between on-premises AD and cloud-based directories to maximize impact, as demonstrated by recent breaches. In hybrid environments, attackers exploit the gaps between AD and Entra ID, often bypassing defenses that cover only one system. Think of your directory infrastructure as a house with two front doors: securing only one leaves the other exposed. For modern enterprises, unified security monitoring across AD and Entra ID is essential to prevent attackers from exploiting inconsistencies between on-premises and cloud defenses. Your identity security strategy is only as strong as its most vulnerable directory.

Why securing both AD and Entra ID matters

• Consistent coverage across environments: As organizations adopt hybrid environments, the separation between on-premises and cloud-based IAM systems creates potential gaps. Unified security across both prevents attackers from finding weak points in transitioning from on-premises to cloud.
• Strengthening your identity security strategy: Attackers target identity as a primary entry point. Treating AD and Entra ID as interdependent systems ensures that your entire identity framework is resilient, regardless of where the threat originates.

What to do

• Set adaptive access controls: Use conditional access policies to assess user risk in real time, blocking high-risk login attempts automatically.
• Monitor third-party access: Regularly review and control permissions granted to third-party apps, catching unsanctioned apps and shadow IT early.
• Enforce least-privilege and OAuth limits: Restrict OAuth permissions to essentials, and identify over-permissioned accounts to maintain least-privilege across cloud and AD environments.
• Enable real-time identity threat detection: Set identity protection policies to respond instantly to risky logins, such as by triggering MFA or blocking access on suspicious activity.
• Continuously audit and adjust policies: Regularly assess conditional access and third-party permissions to keep your identity security strategy aligned with evolving threats.

Conclusion: Embrace continuous, identity-first security

Active Directory compromises remain a focal point for attackers. The Five Eyes report underscores its continued relevance and clarifies why identity is the modern control plane in exposure management. As you review the guidance, refrain from letting this become another checklist. Rethink how your organization is approaching its AD security. Do you have continuous monitoring, risk-based prioritization, least-privilege access and unified operations? Are you employing an identity-first security approach that naturally achieves compliance? Are you unifying protection across on-premises AD and Entra ID to close gaps attackers exploit?

Learn more

• Read part one in this series, Active Directory Under Attack: Five Eyes Guidance Targets Crucial Security Gaps
• View the on-demand webinar Detect and Mitigate 16 Commonly Deployed AD Compromises
• Read the data sheet Tenable ThreatMap for AD

The post Five Cyber Agencies Sound Alarm About Active Directory Attacks: Beyond the Basics appeared first on Security Boulevard.

A landmark global report emphasizes 17 attack techniques against Microsoft Active Directory and cautions organizations to step up protections. In the second of our two-part series, we take you beyond the basics to highlight three key areas to focus on.

The landmark report Detecting and Mitigating Active Directory Compromises — released in September by cybersecurity agencies in Australia, Canada, New Zealand, U.K. and U.S. — shines a bright light on the risks organizations face if their identity and access management (IAM) system is targeted by cyberattackers.

In the first of our two-part series, we discussed five steps organizations can take to operationalize the report findings and develop a cybersecurity strategy for protecting their Microsoft Active Directory (AD) infrastructure. While these steps are important, stopping there misses crucial considerations that can further enhance security strategies.

Here, in part two, we look beyond the basics to provide three key areas cybersecurity leaders can consider in order to achieve full coverage, address modern attack techniques and secure Active Directory and its cloud-based counterpart Entra ID (formerly Azure AD) as part of a holistic identity security approach.

1. Implement full coverage for Active Directory in hybrid environments

While basic AD assessment tools provide valuable insights, they fall short in today's hybrid environments, where on-premises AD and cloud identities intersect. Point-in-time scans risk missing active threats like Kerberoasting, DCSync and password spraying — techniques that cyberattackers can execute repeatedly to evade periodic checks.

Why full coverage matters

• Classic AD threats persist: Traditional attacks targeting AD authentication and replication remain powerful weapons for attackers, requiring constant vigilance.
• Unified identity monitoring: Modern environments sync on-premises AD with cloud services. Changes in either domain can create vulnerabilities in the other, demanding unified visibility.
• Cross-environment risks: Attackers combine classic AD exploitation with cloud service attacks. Monitoring must track permissions and configurations across this expanded attack surface.
• Real-time response: Effective security requires immediate visibility into hybrid threats — from password spraying against synced accounts to privileged credential theft.

What to do

• Enable unified monitoring: Use tools that offer continuous visibility across both AD and Entra ID to catch threats wherever they arise, maintaining seamless oversight.
• Set up key threat alerts: Configure automated alerts for threats like Kerberoasting and DCSync, particularly for synced accounts, to react immediately to suspicious activity.
• Map and review permissions: Regularly audit permissions across AD and Entra ID to spot gaps or misconfigurations that attackers might exploit.
• Enforce multi-factor authentication (MFA) and conditional access: Strengthen high-privilege accounts with MFA and adaptive policies, aligning access controls to risk signals across both environments.

2. Address modern attack techniques

While the report from the five cybersecurity agencies — known collectively as the Five Eyes Alliance — highlights 17 AD compromise methods, these cover only the most common tactics. If attackers were only so simple! Their approaches are also exploiting AD's connections with Entra ID, software as a service (SaaS) applications and hybrid clouds. To stay secure, organizations must look beyond static techniques and adapt to today's dynamic threat landscape.

Why modernizing matters

Focusing only on known techniques can leave a lot on the table for today’s attackers, who leverage AD's complex integrations, developing methods that fall outside standard tactics yet pose serious risks. A comprehensive, adaptive security approach prepares teams to counter both established and evolving threats.

What to do

• Update your threat model: Adapt threat assessments to include new, advanced techniques relevant to your network.
• Foster a proactive culture: Encourage education on evolving threats and a flexible response approach.
• Use real-time threat intelligence: Integrate real-time insights to detect and respond to emerging techniques.

3. Don't Overlook Entra ID

While the Five Eyes report highlights compromises in on-premises Active Directory, protecting cloud-based directory services, like Entra ID, is equally important as organizations expand into the cloud. Attackers are increasingly pivoting between on-premises AD and cloud-based directories to maximize impact, as demonstrated by recent breaches. In hybrid environments, attackers exploit the gaps between AD and Entra ID, often bypassing defenses that cover only one system. Think of your directory infrastructure as a house with two front doors: securing only one leaves the other exposed. For modern enterprises, unified security monitoring across AD and Entra ID is essential to prevent attackers from exploiting inconsistencies between on-premises and cloud defenses. Your identity security strategy is only as strong as its most vulnerable directory.

Why securing both AD and Entra ID matters

• Consistent coverage across environments: As organizations adopt hybrid environments, the separation between on-premises and cloud-based IAM systems creates potential gaps. Unified security across both prevents attackers from finding weak points in transitioning from on-premises to cloud.
• Strengthening your identity security strategy: Attackers target identity as a primary entry point. Treating AD and Entra ID as interdependent systems ensures that your entire identity framework is resilient, regardless of where the threat originates.

What to do

• Set adaptive access controls: Use conditional access policies to assess user risk in real time, blocking high-risk login attempts automatically.
• Monitor third-party access: Regularly review and control permissions granted to third-party apps, catching unsanctioned apps and shadow IT early.
• Enforce least-privilege and OAuth limits: Restrict OAuth permissions to essentials, and identify over-permissioned accounts to maintain least-privilege across cloud and AD environments.
• Enable real-time identity threat detection: Set identity protection policies to respond instantly to risky logins, such as by triggering MFA or blocking access on suspicious activity.
• Continuously audit and adjust policies: Regularly assess conditional access and third-party permissions to keep your identity security strategy aligned with evolving threats.

Conclusion: Embrace continuous, identity-first security

Active Directory compromises remain a focal point for attackers. The Five Eyes report underscores its continued relevance and clarifies why identity is the modern control plane in exposure management. As you review the guidance, refrain from letting this become another checklist. Rethink how your organization is approaching its AD security. Do you have continuous monitoring, risk-based prioritization, least-privilege access and unified operations? Are you employing an identity-first security approach that naturally achieves compliance? Are you unifying protection across on-premises AD and Entra ID to close gaps attackers exploit?

Learn more

• Read part one in this series, Active Directory Under Attack: Five Eyes Guidance Targets Crucial Security Gaps
• View the on-demand webinar Detect and Mitigate 16 Commonly Deployed AD Compromises
• Read the data sheet Tenable ThreatMap for AD

Group-IB revealed key differences in VietCredCare and DuckTail infostealer malware targeting Facebook Business accounts

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