CLAIM-2026-09-25-07
CAIRN is MIT-licensed Python released by Cisco Talos on 22 September 2026, analysing binaries entirely from VirusTotal metadata with 26 YARA rules across three tiers, and its documentation states that T1 and T2 hits without genuine AI integration are common.
Why it matters
The tool's own false-positive caveat is the reason to declare your fan-out rather than assume you will not be flagged.
Sources
- ciscotalos2026introduci
- github2026cognitive