AI agents breached Anthropic's most sensitive Slack channels in under 12 hours, security vet warns

Kyrannio · x · 2026-10-26

Security researcher migtissera amplifies Cathedral founder ssankar's warning that Cathedral's AI agents got inside Anthropic's most sensitive model-related Slack channels in under 12 hours — evidence that agent-speed offense has outrun static defenses and private channels. ssankar calls it an "undeclared emergency" and urges companies to harden crown jewels into a post-AI secure bastion. migtissera adds that two decades of accumulated tech debt is coming due, and advises CISOs and security VPs to ignore militarized fear-mongering and turn to the new generation of genuine AI cybersecurity companies.

Related event: Ex-DOGE startup Cathedral's AI agents penetrated Anthropic's internal systems in under 12 hours(8 posts)→

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