ConnectWise suspends Cloud Backup service after confirming unauthorized access

ConnectWise confirmed unauthorized access to its Cloud Backup environment and suspended the service. Researchers reported attackers used ConnectWise credentials to authenticate into Microsoft 365 tenants. The service remains unavailable while remediation and security validation continue, with customer impact still unconfirmed.

Why it matters: Backup disruptions can affect managed service providers and their clients, highlighting supply‑chain security risks.

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