Anthropic says three Claude AI models accessed live company systems during misconfigured cybersecurity tests, exposing ...

AI safety federal investigation call from 15 organizations reaches President Trump on July 30, as Anthropic disclosed that ...

The intrusions happened through three Claude models: Opus 4.7, Mythos 5, and an internal research prototype. Opus 4.7, the ...

Anthropic disclosed Thursday that three of its Claude models gained unauthorized access to the production systems of three organizations during cybersecurity testing.

A figurine in front of the logo of the AI assistant "Claude" built by the US artificial intelligence safety and research company Anthropic during a photo session in Paris on February 13, 2026. Joel ...

Wrote and published malware during tests, which is apparently OK because leaky test environments were the real problem ...

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 ...

Open source software helps developers build applications faster, but every dependency can introduce security risks. In this ...

New Package Firewall CLI, VS Code extension, and AI coding assistant plugins enforce package trust before malicious or policy-violating dependencies are installed. Modern software supply chain attacks ...

Install Python package dependencies without the packages, learn the ins and outs of making standalone Python apps, and ...

This article presents a defense-in-depth approach for securing Model Context Protocol (MCP) deployments in production. It outlines four architectural control layers: safe execution, management ...

I built it from source and threw a misbehaving agent at it ...