CybersecurityConnectWise Cloud Backup supply‑chain attack compromises 162+ Microsoft 365 tenants
A stolen ConnectWise Cloud Backup application credential let attackers impersonate a trusted service principal and access at least 162 Microsoft 365 tenants, bypassing MFA via Graph API abuse.
#microsoft-365-security #supply-chain-attack #service-principal #cloud-backup #mitre-attck