{"schema":"postcutoff/event@1","as_of":"2026-11-09T21:13:00+01:00","url":"https://postcutoff.com/e/2026-11-03-crowdstrike-ai-agent-kill-switch-fiddler-dreadnode/","md":"https://postcutoff.com/e/2026-11-03-crowdstrike-ai-agent-kill-switch-fiddler-dreadnode/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-11-03-crowdstrike-ai-agent-kill-switch-fiddler-dreadnode","date":"2026-11-03","date_precision":"day","short_title":"CrowdStrike adds a kill switch for rogue AI agents and agrees to buy Fiddler AI and Dreadnode","deck":null,"takeaway":null,"category":"business","category_label":"Business","importance":2,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"CNBC: CrowdStrike debuts AI kill switch for rogue agents","url":"https://www.cnbc.com/2026/11/03/crowdstrike-ai-kill-switch-rogue-agents.html","type":"press","group":"press","domain":"cnbc.com"},{"n":2,"title":"WSJ: CrowdStrike to buy two AI security startups","url":"https://www.wsj.com/pro/cybersecurity/crowdstrike-to-buy-two-ai-security-startups-for-495-million-b0ef6a9e","type":"press","group":"press","domain":"wsj.com"}],"official":0,"filed":"2026-11-04","updated":"2026-11-04","orgs":["CrowdStrike","Fiddler AI","Dreadnode","Anthropic"],"title":"CrowdStrike adds a kill switch for rogue AI agents and agrees to buy Fiddler AI and Dreadnode","summary":"On Nov 3, 2026 CrowdStrike launched a kill switch in Falcon Guardian that halts internal AI agents and cuts their model and network access, announced a Claude Cowork integration, and agreed to buy agent-monitoring firm Fiddler AI (~$400M) and AI security-testing firm Dreadnode (~$95M), per the WSJ.","key_facts":["Kill switch blocks agents' access to models via AI gateways; a human decides to cut off and restore","Prices per WSJ: Fiddler ~$400M, Dreadnode ~$95M, mostly cash"],"key_numbers":[],"tags":["security","agents","m-and-a","kill-switch"],"science":null,"body_md":"## What happened\n\nA CrowdStrike executive (named Bernard by CNBC) told CNBC the mechanism is \"very binary\": \"You either kill the AI and\nthe agent, or you don't.\"","disputed":[],"related":[],"people":[],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-11-04","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-11-04","run":null,"sources_read":null,"updated":"2026-11-04","human_review":null,"version":{"date":"2026-11-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":187,"in_training_data":false},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":126,"in_training_data":false},{"model_id":"gemini-4-argon","name":"Gemini 4 Argon","cutoff":"2026-03","days_after":217,"in_training_data":false},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":156,"in_training_data":false}],"short_url":null}