CrowdStrike has announced plans to buy two AI security companies — Fiddler AI for about $400 million and Dreadnode for about $95 million — as it moves to secure the AI agents now working inside businesses.

What was announced

  • On 3 November 2026, CrowdStrike announced a definitive agreement to acquire Fiddler AI, and TechCrunch reported the planned purchase of Dreadnode, citing The Wall Street Journal
  • The reported prices are approximately $400 million for Fiddler AI and $95 million for Dreadnode
  • These are announced transactions, not completed deals — the integrations have not happened yet

What the two companies do

  • Fiddler AI builds tools to test and monitor AI models before and after they are deployed. CrowdStrike plans to sell its capabilities as Falcon Observe, covering pre-deployment evaluation, agent tracing, behavioural monitoring and audit evidence
  • Dreadnode automates AI security testing — probing AI systems for weaknesses before attackers can exploit them
  • Together, they target a growing problem: AI agents that browse, click, run code and handle payments need monitoring and testing, not just the old-style protection for laptops and servers

Why it matters

  • As companies hand more work to AI agents, a bad or compromised agent can move fast and cause real damage
  • Security companies are racing to add agent monitoring, testing and audit trails to their products — and buying is faster than building
  • CrowdStrike’s move follows a wave of AI security deals in 2026 as the industry tries to govern agents that act on their own

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