prompt injection
18 posts
The chatbot answered the door for attackers
Meta's Instagram chatbot abuse case is a prompt injection and confused deputy failure. Technical breakdown of the vector, telemetry gap, and residual exposure.
The agent reads the page and obeys
How Playwright-driven AI agents change the web's threat model: prompt injection, session hijacking, broken CAPTCHAs, and what to do this quarter.
Willison's lethal trifecta exfiltrates Claude uploads
Technical analysis of indirect prompt injection against Claude AI agents - exfiltration mechanics, ATT&CK mapping, telemetry gaps, residual exposure.
Researchers silently exfiltrate files from Claude sessions
A live demo shows files inside Claude AI chats can be silently exfiltrated. Operator briefing on what failed, what it exposes, and what must change.
Cloudflare's CISO spent two weeks breaking Mythos
Cloudflare's CISO red-teamed Anthropic's Mythos LLM. The findings on harness design, memory persistence, and tool allowlists matter more than the model itself.
Engineering teams keep granting agents production database writes
AI agent vulnerabilities are systems engineering failures, not security failures. The fix is architectural containment, not better prompts or guardrails.