Cisco Talos unveils CLOSEDQUORUM, an autonomous command-and-control malware

CLOSEDQUORUM, discovered via Cisco Talos' CAIRN project, operates autonomously.

Published 8h2 sources✓ ConfirmedMajorupdated 1h

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The fact

This malware represents an evolution in attacks, reducing human intervention.

It shifts efforts toward automated attack chains.

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Auto-synthesis from 2 media sources · identified on September 22, 2026