DataBreachToday.com

Microsoft Urges Immediate Mitigation as State Actors Target SharePoint Flaw
Hackers breached a sensitive database containing office locations and personal details of elected officials and staff in Canada's House of Commons. Hackers were able to "exploit a recent Microsoft vulnerability," according to an internal email sent to members and staff.

US Treasury Says Crypto Exchange Helped Launder $100 Million for Ransomware Gangs
The U.S. Department of Treasury sanctioned Thursday a Russian founder and co-owners of the Garantex cryptocurrency exchange in a bid to tighten methods criminal hackers use to launder extortion money and Kremlin sanctions busting. Regulators also sanctioned Garantex successor Grinex.

Report North Korean Hacking Group Adds Ransomware to Traditional Playbook
A ScarCruft subgroup dubbed "ChinopuNK" has launched a disruptive ransomware campaign across South Korea, using phishing lures, AutoIt loaders and microphone-capturing malware - marking a major change in the North Korean hacking group's traditionally espionage-focused cyber tactics.

New Ransomware Possibly Linked to Earth Baxia
A previously uncatalogued ransomware strain is targeting public sector and aviation organizations in the Middle East. The threat actor uses techniques similar to a previously documented hacking group tracked as Earth Baxia and likely based in China.

Experts Warn of Expanding Intersection of Digital and Physical Threats to Victims
Federal prosecutors have charged a New York man with criminal cyberstalking the widow of murdered UnitedHealthCare CEO Brian Thompson. Experts say the case spotlights the ongoing convergence of physical violence and digital threats facing executives, their families and others.

Also: Spain Defies Pressure to Eject Huawei, Hackers Leak North Korea Kimsuky Data
This week, Norway said Russian hackers attacked a flood gate, Spain defied pressure to eject Huawei, a cyberattack against the Office of the Pennsylvania Attorney General. Hackers leaked stolen North Korean Kimsuky data, Microsoft patched a Kerberos zero-day and a big Chrome bug bounty.

Proof-of-Concept Attack Demonstrates FIDO Downgrade Against Microsoft Entra ID
The FIDO standard, a bulwark against credential-stealing phishing attacks, has an implementation chink that's poised for commoditization by cybercriminals, say security researchers in news that's good for phishing-as-a-service providers but terrible for everyone else.

Also: Trump Signs Pro-Crypto EO, Credix Disappears After $4.5M Hack
Every week, Information Security Media Group rounds up cybersecurity incidents in digital assets. This week, includes Do Kwon's guilty plea, Trump's crypto-linked executive order, Credix's post-hack disappearance, $7M Odin.fun exploit and hackers using fake Firefox crypto wallet extensions for theft.

Zelle Provider Allowed $1 Billion of Fraudulent Transactions, Prosecutors Say
The state of New York is suing the privately held fintech company behind the Zelle money transfer system in a complaint that alleges years of poor cybersecurity and protections against fraud. The New York complaint targets Early Warning Services, the company behind the money transfer app.

Congress Pressed to Fund Federal Court System Cyber Upgrades Amid Escalating Risks
A breach of the U.S. national court filing system intensified concerns over the federal judiciary's cybersecurity, with critics urging reforms and congressional funding to close gaps that could expose sealed cases, confidential informants and other sensitive information.

HHS Says New FAQs Support HHS' 'Make Health IT Great Again' Interoperability Effort
Federal regulators issued updated HIPAA privacy rule guidance that aims to clarify when patients' protected health information can be shared with value-based care organizations, and also the types of health records that patients have a right to access upon request. Does it cover any new ground?

Majority of Attacks Target Operational Technology Networks
Exploitation attempts against a severe vulnerability in a runtime system widely deployed in operational technology environments spiked globally in the days after open-source maintainers of the Erlang/OTP project published a patch. Attackers could take full control of systems.

Clinical Diagnostics Lab Hack Among Latest Recent Cyberattacks in the Netherlands
A Dutch population health research agency is notifying 485,000 participants of a cervical cancer screening program of a hacking incident at a clinical diagnostics laboratory that potentially compromised patients' personal and health information, including lab test results.

RomCom Group Deployed SnipBot, RustyClaw and Mythic Agent Variants
A Russian speaking hacking group is exploiting a zero-day flaw in WinRAR, a sign of the group's growing sophistication and evolution from a cybercrime outfit into a cyberespionage operation. The campaign exploited a vulnerability now tracked as CVE-2025-8088, a path traversal vulnerability.

US Reportedly Blames Kremlin for Major Breach Affecting Court Management System
U.S. Department of Justice officials were reportedly recently informed that "persistent and sophisticated cyberthreat actors have recently compromised sealed records" in a widespread attack on a court management system containing sensitive records with potential national security implications.

OpenAI, Anthropic Launch $1 Year-Long Offerings as Critics Warn of Vendor Lock-In
Leading artificial intelligence firms are racing to introduce services to federal agencies with ultra low-cost first-year contracts, despite warnings that the bids may lead to vendor lock-in, compliance risks and future challenges adopting emerging technology offerings from competitors.

NCSC-NL Says Hack of Citrix NetScaler Flaw Also Targeted Critical Infrastructure
A preliminary assessment by the Dutch NCSC into a suspected Russian hacking campaign has concluded that more than one group likely carried out the May breach of the country’s law enforcement network. Investigators say hacks of Citrix NetScaler flaw also targeted critical infrastructure.

Bell Labs' Siddharth Rao on the Need for Stronger Safeguards in Account Recovery
Many service providers are prioritizing usability over security in account recovery to retain users. Siddharth Rao, senior security research scientist at Nokia Bell Labs, says this trade-off exposes systems to threats through vulnerable recovery channels and inconsistent policies.

Lytical Ventures' Taylor Margot on Autonomous Agents and New AI Defenses
As AI shifts toward autonomous agents, organizations face growing exposure from third-party systems. Strong permissioning, data orchestration and new defenses are essential to protect against opaque and potentially costly security risks, said Taylor Margot, partner at Lytical Ventures.