Vertex Ventures SEA & India led the Series B, with Hitachi Ventures joining. Total funding reaches $52.5 million after annual recurring revenue grew eightfold in six quarters.
CrowdStrike agrees to buy Fiddler to watch what AI agents do
EditorialBy TrustList Editorial
Fiddler's AI observability platform will become Falcon Observe, generally available in CrowdStrike's fourth quarter of fiscal 2027. The price is not disclosed; it will be paid predominantly in cash.
- United States of America
- Texas
- Austin, Texas
- Cybersecurity
- +2 more
About CrowdStrike agrees to buy Fiddler to watch what AI agents do
CrowdStrike agrees to buy Fiddler to watch what AI agents do
3 November 2026: CrowdStrike has signed a definitive agreement to acquire Fiddler AI, whose platform monitors and evaluates machine learning models and AI agents, and will sell it as part of the Falcon platform under the name Falcon Observe. CrowdStrike announced the deal at Fal.Con Europe in Barcelona and says it expects to close in the fourth quarter of its fiscal 2027, subject to customary conditions. The price is not disclosed; CrowdStrike says it will pay predominantly in cash, with a portion in stock subject to vesting.
Not yet independently verified. Neither company has disclosed the price, and the deal still has to meet customary closing conditions. We will update this when it can be confirmed, and remove this note.
What Fiddler brings to Falcon
CrowdStrike's release lists what Falcon Observe will do:
- evaluation before deployment, to test agents and models before they go live;
- traceability of what each agent did and why, across first-party, third-party and coding agents;
- behavioural accountability, flagging drift and hallucinations;
- auditable governance records;
- control of AI costs, with purpose-built evaluation models that CrowdStrike says can cut evaluation costs by up to 98%;
- OpenTelemetry instrumentation, with support for LangGraph, Amazon Bedrock, AWS Strands and Google ADK.
CrowdStrike expects Falcon Observe to be generally available in the same quarter the deal closes.
"The flight recorder for every agent"
George Kurtz, CrowdStrike's founder and chief executive, called Fiddler "the flight recorder for every agent". Krishna Gade, Fiddler's co-founder and chief executive, framed the question customers bring to the company as "can I trust what my AI agents are doing?"
The pitch is that agents which act on systems, calling tools, changing records and writing code, create a security problem as much as a quality one, and that the team watching endpoints and identities should also be able to see what an agent did. CrowdStrike announced the deal alongside new features for Falcon Guardian, its product for securing AI use.
What buyers should ask now
For Fiddler customers, the questions are about continuity: whether Fiddler remains available on its own or only inside Falcon, how pricing and contracts carry over, and where model and agent telemetry will be stored once it joins the Falcon platform. For CrowdStrike customers weighing agent monitoring, it means a product that does not exist yet as a Falcon module, with a stated general availability quarter rather than a date.
Our catalogue lists 326 cybersecurity companies; agent observability as a category is still too new to count separately.
Company profile on TrustList: Fiddler AI
Related on TrustList:
Sources
- CrowdStrike: CrowdStrike to Acquire Fiddler to Deliver Agent Observability, 3 November 2026
- Fiddler: Fiddler to Join CrowdStrike, 3 November 2026
Categories & features
TrustList Weekly
The week in software and IT, in one email
The news that matters to buyers, new rankings and our own research. Every Thursday, free, and easy to leave.
You may be interested in
CVE-2026-91403 in JSSE can be exploited over the network with no login. Every listed build is affected, including 25.0.5 and 21.0.13, so Java estates need to patch again.
Kleiner Perkins, Redpoint and Khosla co-led the round, with Sequoia and Battery taking part, at a valuation the company puts at $1 billion. Traversal says monthly investigations grew from 513 to nearly 73,000 this year.
We read our 30 autonomy reports for dated promises. Madrid has three operators naming start dates, most passenger launches are set for 2027, freight is further ahead, and 21 of the 30 reports rest on the company alone.
CVE-2026-103506 (CVSS 8.9) exposes SSO client secrets where an experimental flag is on in Grafana 13.2; two 7.7 flaws leak Azure Monitor tokens and let alert editors redirect notifications.
Researchers found about 2,100 internet-exposed GPU servers in scans between March and May. Nvidia rates the bug 8.2 and shipped the fix in September; no attacks are reported.
Andreessen Horowitz led the round, with Union Square Ventures and Neo, which led the previous two rounds, taking part. The Watertown company rents out robots that move and pack boxes, billed on use.
Sequoia led the round at a $300 million valuation, with NVIDIA, Bessemer and Bain Capital Ventures taking part. The company opened its platform for training models on production data the same day.
More on TrustList
Everything here links back to the same verified catalogue. Pick your next stop.
- More United States of AmericaThe ranking for this subject
- CompaniesAgencies, consultancies and IT service providers, ranked by verified reviews.
- ProductsSoftware and SaaS with pricing, features, integrations and alternatives.
- AwardsAnnual recognition decided by verified reviews and an independent jury.
- LaunchesNew products and releases, voted up by the community every day.
- AI ModelsBenchmark scores and community ratings for every major model.
- RequestsBuyers describe what they need; vendors respond directly.
- PeopleReviewers, authors and makers with public profiles.
- ComparePut up to four listings side by side before you shortlist.