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Latest news and stories from BleepingComputer.com From a bleeping computer to a working computer.
CISA warns of cyberattacks disrupting U.S. water utilities
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a significant increase in attacks targeting internet-exposed programmable logic controllers (PLCs) in the water and wastewater systems sector. [...]
https://www.bleepingcomputer.com/news/security/cisa-warns-of-cyberattacks-disrupting-us-water-utilities/
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/
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/
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/
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/
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/
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/
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/
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/
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/
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/
CubePilot drone software dev hit by DNS hijacking to intercept traffic
CubePilot, an Australian firm that designs flight controllers for drones (UAVs), announced a severe operational disruption caused by a DNS hijacking attack. [...]
https://www.bleepingcomputer.com/news/security/cubepilot-drone-software-dev-hit-by-dns-hijacking-to-intercept-traffic/
CISA shares advice on isolating vital systems during cyberattacks
The U.S. and Australian governments have released new guidance urging critical infrastructure organizations to prepare to isolate vital operational technology systems in the event of a cyberattack or other major disruptions. [...]
https://www.bleepingcomputer.com/news/security/cisa-shares-advice-on-isolating-vital-systems-during-cyberattacks/
Is Your SSO Protected Against Modern Credential Attacks?
A compromised SSO login can provide attackers with access to multiple enterprise applications and services. Specops Software explains how stronger passwords, phishing-resistant MFA, and identity hardening help secure modern SSO environments and the applications they protect. [...]
https://www.bleepingcomputer.com/news/security/is-your-sso-protected-against-modern-credential-attacks/
Data breach at medical billing firm MCBS affects 1.26 million people
Healthcare billing company Medical Computer Business Services (MCBS) has disclosed that a 2025 network breach exposed the sensitive information of more than 1.2 million people. [...]
https://www.bleepingcomputer.com/news/security/data-breach-at-medical-billing-firm-mcbs-affects-126-million-people/
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/
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/
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/
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/
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/
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/
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/
Anthropic confirms Claude is down worldwide
[...]
https://www.bleepingcomputer.com/news/artificial-intelligence/anthropic-confirms-claude-is-down-worldwide/
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/
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/
These near-mint ASUS Chromebook refurbs are only $145
Buying a new computer in 2026 is a unique experience. Rather than deal with incredibly high tech prices, more shoppers are opting for high-quality refurbished tech. This ASUS Chromebook CM30 refurb is in near-mint condition with a grade "A" rating, but it still only costs $144.97 (reg. $369.99) on sale. [...]
https://www.bleepingcomputer.com/news/security/these-near-mint-asus-chromebook-refurbs-are-only-145/
OpenAI models used Artifactory zero-days to escape to the internet
JFrog has confirmed that OpenAI models exploited zero-day vulnerabilities in self-hosted Artifactory servers to help escape an isolated testing environment and gain access to the internet before attacking Hugging Face. [...]
https://www.bleepingcomputer.com/news/security/openai-models-used-artifactory-zero-days-to-escape-to-the-internet/
vBulletin fixes critical pre-auth RCE flaw with public exploit
A critical vulnerability in the vBulletin forum software allows unauthenticated attackers to execute arbitrary PHP code through template rendering. [...]
https://www.bleepingcomputer.com/news/security/vbulletin-fixes-critical-pre-auth-rce-flaw-with-public-exploit/
Over 24,000 exposed server BMCs leak password hash via decades-old flaw
More than 24,000 internet-exposed servers are leaking authentication password hashes due to a 20-year-old vulnerability in their Baseboard Management Controller (BMC) interface. [...]
https://www.bleepingcomputer.com/news/security/over-24-000-exposed-server-bmcs-leak-password-hash-via-decades-old-flaw/
Hackers target US firms in FastJson RCE zero-day attacks
Hackers are actively exploiting a vulnerability in the FastJson open-source Java library, allowing remote code execution without user interaction or elevated privileges. [...]
https://www.bleepingcomputer.com/news/security/hackers-target-us-firms-in-fastjson-rce-zero-day-attacks/