Claude

LayerX researchers found that custom font rendering can hide malicious prompts from ChatGPT, Claude, Gemini, and other AI assistants while displaying them to users.

SANS ISC detects reconnaissance activity targeting locally hosted Claude API endpoints. Researchers warn of growing risk from misconfigured AI deployments.

Urban VPN and related browser extensions secretly harvest conversations from ChatGPT, Claude, Copilot, and other AI platforms, selling data to advertisers.