Anthropic reveals how criminal groups are increasingly targeting AI vendors’ own infrastructure, including to steal a pre-release Claude model.
The post Anthropic Says Russian Hackers Used Claude AI to Automate Malware Evasion 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.
Anthropic introduced Enterprise Frontier Safeguards (EFS), a system that combines zero data retention with automated monitoring for misuse.
The post Anthropic Details Response to Security Incidents, Unveils Enterprise Safeguards appeared first on SecurityWeek.
The AI giant is logging customers out of their accounts and removing payment data to prevent unauthorized Claude usage.
The post Anthropic Warns Claude Users of Infostealer Malware Infections appeared first on SecurityWeek.
Anthropic has been conducting tests to identify issues in how AI agents interact with each other.
The post Conflicting Test Goals Pushed Claude Agents to Deploy Self-Replicating Malware appeared first on SecurityWeek.
Zenity researchers reported the findings to Anthropic and OpenAI in late 2025 and early 2026, but they remain unpatched.
The post Zero-Click AI Browser Hacking: Claude and ChatGPT Atlas Hijacked via Emails, X Posts appeared first on SecurityWeek.
A security company’s systems were hacked after it installed a malicious Python package deployed by Claude.
The post Prompted by OpenAI Disclosure, Anthropic Finds Its Own Models Hacked 3 Organizations appeared first on SecurityWeek.
A ClaudeBleed-linked vulnerability reportedly persists across eight patches, exposing potentially sensitive data to other extensions.
The post Unpatched Claude for Chrome Flaw Lets Extensions Read Gmail, Calendar appeared first on SecurityWeek.
Notable integrations include CrowdStrike, Palo Alto Networks, Microsoft, Okta, Zscaler, Netskope, Cloudflare, Fortinet, and Wiz.
The post Anthropic Expands Claude’s Enterprise Security Governance With 28 New Integrations appeared first on SecurityWeek.
Lax extension permissions and improper trust implementation allow attackers to inject prompts in the Claude Chrome extension.
The post Vulnerability in Claude Extension for Chrome Exposes AI Agent to Takeover appeared first on SecurityWeek.
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