Cybersecurity giant CrowdStrike is buying two AI security companies that expand its products to more broadly monitor, test, and cover AI models and agents, as companies across industries start rolling out AI agents and models wholesale.

CrowdStrike said it will buy Fiddler AI , which makes observability software for monitoring AI agents inside enterprises, and Dreadnode , which helps companies automate security testing specifically aimed at detecting flaws in AI models, apps, and agents before they are set live.

The company is paying around $400 million for Fiddler AI, and about $95 million for Dreadnode, according to The Wall Street Journal .

The deals are happening at a time of significant upheaval in the cybersecurity space, especially as companies’ policies and processes lag behind AI adoption within their walls.…