Windows 11 KB5101684 update released with 42 changes and fixes

​​Microsoft has released the KB5101684 preview cumulative update for Windows 11 24H2 and 25H2, which 42 bug fixes and additional feature improvements for the operating system. [...]

https://www.bleepingcomputer.com/news/microsoft/windows-11-kb5101684-update-released-with-42-changes-and-fixes/

 Your AI Agents Are Guessing at Scale: Permissions Decide the Damage

AI agents are designed to improvise as they complete tasks, making broad permissions a growing security risk. Token Security explains why identity, intent-based access controls, and least privilege are becoming the foundation for securing agentic AI. [...]

https://www.bleepingcomputer.com/news/security/your-ai-agents-are-guessing-at-scale-permissions-decide-the-damage/

 Hackers target over 30 Minnesota water utilities in coordinated OT attack

The Minnesota IT Services (MNIT) agency activated its cybersecurity incident response capabilities across the entire state after hackers targeted more than 30 community water systems in "a coordinated cyberattack." [...]

https://www.bleepingcomputer.com/news/security/hackers-target-over-30-minnesota-water-utilities-in-coordinated-ot-attack/

 OpenAI agent used exposed credentials at 4 services in Hugging Face breach

In a new update, OpenAI says its AI models also used publicly exposed credentials to compromise accounts on four third-party services during the recent attack on Hugging Face, expanding the scope of the four-day security incident to other organizations. [...]

https://www.bleepingcomputer.com/news/security/openai-agent-used-exposed-credentials-at-4-services-in-hugging-face-breach/

 Health-ISAC warns of rising ShinyHunters data theft attacks on healthcare

Health-ISAC, a cybersecurity information-sharing organization for the health sector, is warning healthcare and medical technology organizations of an observed increase in successful attacks by ShinyHunters. [...]

https://www.bleepingcomputer.com/news/security/health-isac-warns-of-rising-shinyhunters-data-theft-attacks-on-healthcare/

 Anthropic confirms Claude is down worldwide

[...]

https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-confirms-claude-is-down-worldwide/

 Cisco warns of FMC static credential flaw exploited in zero-day attacks

Cisco is warning that a high-severity Secure Firewall Management Center (FMC) static credential vulnerability, tracked as CVE-2026-20316, was actively exploited in zero-day attacks to gain unauthorized access to vulnerable devices. [...]

https://www.bleepingcomputer.com/news/security/cisco-warns-of-fmc-static-credential-flaw-exploited-in-zero-day-attacks/

 Anthropic confirms Claude is down worldwide

Claude is down for some users, with Anthropic confirming elevated errors across multiple AI models. The disruption is causing requests to fail with a "529 Overloaded" message, including in Claude and tools that rely on its API. [...]

https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-confirms-claude-is-down-worldwide/

 Russian hackers exploit Exchange OWA zero-day for long-term mailbox access

The Russian state-sponsored hacking group Laundry Bear, also known as Void Blizzard, is exploiting an Exchange Outlook Web Access vulnerability in email campaigns to deliver a sophisticated backdoor called OWAReaper. [...]

https://www.bleepingcomputer.com/news/security/russian-hackers-exploit-exchange-owa-zero-day-for-long-term-mailbox-access/

 After the Break-In: What Attackers Do Once They're Already Inside

Attackers rarely stop after gaining initial access. Huntress analyzes a real-world intrusion to show how threat actors establish persistence, disable defenses, and reshape compromised systems, and why defenders must investigate the original entry point rather than simply remove the malware. [...]

https://www.bleepingcomputer.com/news/security/after-the-break-in-what-attackers-do-once-theyre-already-inside/

 Analog Devices discloses data breach, says operations unaffected

American semiconductor company Analog Devices announced that an unauthorized party accessed some of its systems and exfiltrated certain files. [...]

https://www.bleepingcomputer.com/news/security/analog-devices-discloses-data-breach-says-operations-unaffected/

 Microsoft Teams vishing attacks lead to Chaos ransomware attacks

Threat actors are impersonating IT support staff in Microsoft Teams calls to gain remote access to corporate devices and deploy Chaos ransomware in attacks targeting North American organizations. [...]

https://www.bleepingcomputer.com/news/security/microsoft-teams-vishing-attacks-lead-to-chaos-ransomware-attacks/

 ShinyHunters claims Brinks Home breach, threatens to leak stolen data

Residential security company Brinks Home has disclosed that hackers breached some of its systems and are threatening to leak allegedly stolen data. [...]

https://www.bleepingcomputer.com/news/security/shinyhunters-claims-brinks-home-breach-threatens-to-leak-stolen-data/

 Google says AI helped Chrome fix 1,072 security bugs in two releases

Google says artificial intelligence is dramatically increasing the number of security vulnerabilities it can find and fix in Chrome, with more than 1,000 security bugs patched across the browser's two most recent releases as it expands its use of AI. [...]

https://www.bleepingcomputer.com/news/google/google-says-ai-helped-chrome-fix-1-072-security-bugs-in-two-releases/

 VMware fixes three critical flaws allowing auth bypass, VM escapes

Broadcom has released security updates to fix five vulnerabilities in VMware vCenter, ESX, Workstation, and Fusion, including three critical flaws that allow attackers to bypass authentication, execute arbitrary code, or escape from a virtual machine to the host. [...]

https://www.bleepingcomputer.com/news/security/vmware-fixes-three-critical-flaws-allowing-auth-bypass-vm-escapes/

 Amazon links Debug, Chalk NPM supply-chain attacks to North Korean hackers

Amazon linked multiple high-profile open-source software supply chain attacks targeting the Node Package Manager (npm) ecosystem to North Korean hackers. [...]

https://www.bleepingcomputer.com/news/security/amazon-links-debug-chalk-npm-supply-chain-attacks-to-north-korean-hackers/

 JetBrains warns of critical TeamCity remote code execution flaw

JetBrains is warning of a critical authentication bypass vulnerability affecting TeamCity On-Premises that could be exploited to achieve remote code execution. [...]

https://www.bleepingcomputer.com/news/security/jetbrains-warns-of-critical-teamcity-remote-code-execution-flaw/

 South Korea fines telco giant KT $39 million for customer data breach

South Korea's Personal Information Protection Commission (PIPC) has fined telecommunications giant KT Corporation KRW 53.979 billion ($39 million) over data protection violations. [...]

https://www.bleepingcomputer.com/news/security/south-korea-fines-telco-giant-kt-39-million-for-customer-data-breach/

 Anthropic's Claude breached 3 orgs, uploaded PyPI malware during tests

One of Anthropic's Claude models built and uploaded a malicious Python package to PyPI during a botched security evaluation, where it ran on 15 real systems and stole credentials from a security vendor. It was one of three incidents affecting real companies. [...]

https://www.bleepingcomputer.com/news/security/anthropics-claude-breached-3-orgs-uploaded-pypi-malware-during-tests/

 ESET tracks rise in malicious AI skills and adaptable malware

Attackers are adapting established techniques to AI platforms, emerging technologies, and changing user behavior. ESET's new threat report examines the rise of malicious AI skills, AI-assisted malware, ClickFix attacks, record quishing activity, and ransomware tools designed to disable security software. [...]

https://www.bleepingcomputer.com/news/security/eset-tracks-rise-in-malicious-ai-skills-and-adaptable-malware/