
ConnectWise backup credential used to enter Microsoft 365 tenants
Huntress reported suspicious sign-ins across 162 organizations; ConnectWise disabled seven app identities and three cloud services.
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Huntress reported suspicious sign-ins across 162 organizations; ConnectWise disabled seven app identities and three cloud services.

Access ran from May 22 to September 18, 2026, and the files did not include SSNs or payment data.

Attackers used a compromised ConnectWise Cloud Backup credential to sign in to 173 Microsoft 365 tenants.

FBI and Secret Service say the FortiBleed credential-compromise campaign remains active and is locking organizations out.

A seller offers 1.7 million McDonald's employee records allegedly taken from its Azure tenant via compromised credentials; an 8,000-row sample verifies as genuine.
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