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An AI-agent swarm breached 395 organizations in 48 countries in days
breakthroughDeveloperLegal
Monday, September 14, 2026
Confidence
High · — primary research with IOCs + 3 corroborating
Evidence
primary threat-intel report (GreyNoise) + independent corroboration (Blackpoint, Arctic Wolf)
GreyNoise disclosed a likely Russian-speaking actor used hundreds of AI agents — on OpenAI's Codex harness and a DeepSeek model — to develop and mass-exploit two PaperCut zero-days from August 31.
- Breached at least 440 PaperCut instances across 395 organizations; education took 204.
- Swarm compromised 11 organizations in 26 seconds; domain admin in seven minutes.
Sources