# Hackers breach Microsoft 365 tenants via ConnectWise supply-chain attack

> **Open Intelligence Dossier** · First detected: 2026-10-20 15:20 UTC · Category: Technology

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*Canonical Source: https://pulse.byoaiapps.com/trend/2026-10-20/hackers-breach-microsoft-365-tenants-via-connectwise-supply-chain-attack*