Tracked as CVE-2026-19490, the authentication bypass flaw has been exploited in the wild since at least September 3. The post Critical NetScaler Vulnerability Exploited in Attacks appeared first on SecurityWeek.
Anthropic is most concerned about Claude Mythos 5’s reckless behavior after recent incidents in which real systems were hacked. The post Widened Scan Turns Up Fourth Rogue Claude Cyber Incident appeared first on SecurityWeek.
In June 2026, hackers stole personal, health, and insurance information from AdaptHealth’s systems. The post 4.1 Million Impacted by AdaptHealth Data Breach appeared first on SecurityWeek.
Data breach
Cisco and CISA have flagged exploitation of CVE-2026-20079, a vulnerability disclosed in March 2026. The post Organizations Warned of Cisco Secure FMC Exploitation appeared first on SecurityWeek.
The exploit provides full System privileges on Windows machines running the September 2026 patches. The post New ‘ShieldCrash’ Zero-Day Exploit Targets Microsoft Defender appeared first on SecurityWeek.
Zero-day
The high-severity, unauthenticated vulnerability tracked as CVE-2025-25249 was patched in January 2026. The post Fortinet Code Execution Flaw Exploited in PivotC2 RAT Attacks appeared first on SecurityWeek.
The company will increase its US market presence and will expand its engineering and go-to-market teams. The post HelmGuard Raises $7.3 Million for Agentic GRC and Security appeared first on SecurityWeek.
Criminal and state-sponsored adversaries are increasingly using AI to automate and scale their attacks, according to GTIG. The post AI Is Giving Lesser-Resourced Attackers Nation-State-Level Reach, Google Warns appeared first on SecurityWeek.
Threat actor
The security updates resolve critical flaws across Android’s Framework, System, and Kernel components. The post Android’s September 2026 Updates Patch 180 Vulnerabilities appeared first on SecurityWeek.
Critical
Major chipmakers announced patches for vulnerabilities recently discovered in their products. The post Chipmaker Patch Tuesday: Nvidia, AMD, Arm Issue Security Advisories appeared first on SecurityWeek.
The critical, unauthenticated bugs allow attackers to bypass authentication and proxy a user’s browser traffic. The post Fortinet Patches Critical Vulnerabilities in FortiMonitorOnSight, Chrome Extension appeared first on SecurityWeek.
Critical
Distillation is an ‘attack’ against an AI model designed to capture outputs, understand reasoning processes, and subsequently train a different model. The post US Agencies Warn China Is Systematically Extracting Frontier AI Capabilities appeared first on SecurityWeek.
Muse runs on a dedicated, secure virtual machine that houses both the agent and the user’s data. The post Meta Launches Personal AI Agent, Muse, Emphasizes Safety and Privacy appeared first on SecurityWeek.
AVEVA and Rockwell Automation also released patches for vulnerabilities affecting industrial control system products. The post ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws appeared first on SecurityWeek.
Critical
Six critical vulnerabilities in Neurons for ITSM could enable remote code execution, while Sentry and EPMM received patches for authentication bypass flaws. The post Ivanti Patches Critical Flaws Across Enterprise Security Products appeared first on SecurityWeek.
Critical
Attackers are using trusted Microsoft services and blob URLs to generate stealthy phishing pages that leave defenders with no static website to detect or block. The post New Phishing Attack Creates Malicious Pages Inside the Victim’s Browser appeared first on SecurityWeek.
Every leaked credential should be dead, or dying, within sixty seconds of being found. Here's a proposal to make that the default. The post This Key Will Self-Destruct: An Open Standard for Revocable API Keys appeared first on SecurityWeek.
The Chrome update includes 230 security fixes, and users are advised to update their browsers as soon as possible. The post Chrome 153 Patches Seventh Zero-Day of 2026 appeared first on SecurityWeek.
Zero-day