More than 17,000 VMware ESXi installations worldwide are at risk from a severe integer-overflow vulnerability tracked as CVE-2025-41236 (CVSS 9.3), cybersecurity researchers warn. This critical vulnerability, first flagged in July, has prompted urgent calls for patching, but the latest scan results suggest progress remains slow, with thousands of systems still unpatched. Shadowserver Foundation, in partnership […]
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PureRAT is a Remote Access Trojan, which can be used by an attacker to remotely control someone else's PC. PureRAT provides the following features to an attacker: See the victims user interfaceInteract with the victim PC using mouse and keyboardView the webcamListen to the microphoneRecord keystroke[...]
The post PureRAT = ResolverRAT = PureHVNC appeared first on Security Boulevard.
Zoom has disclosed a critical vulnerability affecting multiple Windows-based clients, potentially allowing attackers to escalate privileges and compromise user systems. Designated as CVE-2025-49457 under bulletin ZSB-25030, this flaw carries a CVSS score of 9.6, classifying it as critical due to its high impact on confidentiality, integrity, and availability. The vulnerability stems from an untrusted search […]
The post Critical Zoom Clients for Windows Vulnerability Lets Attackers Escalate Privileges appeared first on Cyber Security News.
An unprecedented surge in brute-force attacks targeting Fortinet SSL VPN infrastructure, with over 780 unique IP addresses participating in coordinated assault campaigns. The August 3rd attack represents the highest single-day volume recorded on GreyNoise’s Fortinet SSL VPN Bruteforcer tag in recent months, raising concerns about potential zero-day vulnerabilities and sophisticated threat actor operations. Key Takeaways1. […]
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IBM’s 2025 Cost of a Data Breach Report drives home that point: attackers today are often “logging in rather than hacking in".
The post IBM’s Cost of a Data Breach Report 2025 appeared first on Security Boulevard.
Researchers just proved LLMs can autonomously plan and execute full-scale cyberattacks — turning AI from a tool into an active threat actor.
The post And Now, LLMs Don’t Need Human Intervention to Plan and Execute Large, Complex Attacks appeared first on Security Boulevard.
Ivanti has released critical security updates addressing multiple high and medium-severity vulnerabilities across its Connect Secure, Policy Secure, and Zero Trust Access (ZTA) gateway products. The vulnerabilities, identified through internal discovery and responsible disclosure programs, could enable remote attackers to trigger denial-of-service (DoS) attacks without authentication, though no active exploitation has been detected at the […]
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Cybersecurity researchers at GreyNoise have detected an alarming surge in brute-force attacks against Fortinet SSL VPN systems, with over 780 unique IP addresses launching coordinated attacks in a single day—marking the highest daily volume recorded for this type of attack in recent months. The sophisticated campaign appears to represent a significant escalation in targeting Fortinet’s […]
The post Fortinet SSL VPN Targeted by Hackers from 780 Unique IP Addresses appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.
Creator, Author and Presenter: Wendy Nather
Our deep appreciation to Security BSides - San Francisco and the Creators, Authors and Presenters for publishing their BSidesSF 2025 video content on YouTube. Originating from the conference’s events held at the lauded CityView / AMC Metreon - certainly a venue like no other; and via the organization's YouTube channel.
Additionally, the organization is welcoming volunteers for the BSidesSF Volunteer Force, as well as their Program Team & Operations roles. See their succinct BSidesSF 'Work With Us' page, in which, the appropriate information is to be had!
The post BSidesSF 2025: Fire, Brimstone And Bad Security Decisions appeared first on Security Boulevard.
Ivanti has released critical security updates addressing multiple vulnerabilities in its Connect Secure, Policy Secure, and ZTA Gateway products that could allow remote attackers to launch denial-of-service attacks. The company disclosed four vulnerabilities on August 12, 2025, with CVSS scores ranging from medium to high severity, though no active exploitation has been detected at the […]
The post Ivanti Connect Secure, Policy Secure, and ZTA Flaws Allow Attackers to Launch DoS Attacks appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform.