AI Security GuruTuesday, November 3, 2026 brief
Chainstack reports attackers reached production systems
The Hacker News
This story is part of the morning brief Breaking: AI-agent attack hits GitBook as ARTEX claims WorkOS and Chainstack, plus a poisoned Claude Code extension. The reporting lives at the original source.
Update, Nov 3 evening: GitBook and two more ARTEX victims disclose breaches. This morning's brief follows: ARTEX's 11-day campaign, a tampered Claude Code extension and abandoned MCP servers show the developer machine is the soft spot.