
Fiddler AI
Cybersecurity · AI Observability · Enterprise Software
CrowdStrike Acquires AI Agent Observability Startup Fiddler AI
November 3, 2026
Deal Value
$400M
Software acting on valid credentials and approved tools can still make costly mistakes without ever being hacked.
- CrowdStrike signed a definitive agreement to acquire Fiddler AI, with payment predominantly in cash plus a vesting stock component, expected to close in CrowdStrike's fiscal Q4 2027.
- Fiddler AI, founded in Palo Alto in 2018 by CEO Krishna Gade, builds tools that trace and explain why AI models and agents made specific decisions.
- Fiddler's technology becomes Falcon Observe, tracing agent reasoning and tool calls, flagging behavioral drift and hallucinations, with support for LangGraph, Amazon Bedrock, AWS Strands and Google ADK.
- The deal is reportedly worth about $400 million, roughly 4x the $100 million Fiddler had raised in total venture funding, according to reports on the transaction.
- CrowdStrike also agreed the same day to buy AI red-teaming startup Dreadnode for about $95 million, pairing pre-deployment attack testing with Fiddler's production monitoring.
- CrowdStrike paired the acquisitions with a new 'AI Kill Switch' in Falcon Guardian, letting security teams instantly cut an agent's access to AI models when it misbehaves.
- The twin deals signal CrowdStrike's bet that AI agent risk extends past hacking to agents simply making unsupervised bad calls, a blind spot traditional endpoint security can't cover.