Microsoft says Storm-0940 used AI to breach ConnectWise tenants
The group attempted more than 2,250 tenant sign-ins at about 2,900 per minute, often gaining access within three hours.
The group attempted more than 2,250 tenant sign-ins at about 2,900 per minute, often gaining access within three hours.
Huntress saw vendor-credential sign-ins from 144.172.64.128, then Global Administrator grants and new secrets on two tenants.
Huntress saw unauthorized sign-ins in 162 Microsoft 365 tenants after attackers used the backup app’s permissions.
Researchers say ConnectWise credentials signed into customer Microsoft 365 tenants; downstream impact is unconfirmed.
Huntress saw the stolen app credential sign into at least 162 Microsoft 365 tenants on October 15; earlier tokens may still work.
Huntress says a Cloud Backup client assertion reached 162 Microsoft 365 tenants on October 15–16.
Huntress reported suspicious sign-ins across 162 organizations; ConnectWise disabled seven app identities and three cloud services.
Unauthorized access to Cloud Backup application identities was found after October 15; restoration timing and any data theft remain unconfirmed.
Seven application identities were disabled and Cloud Backup suspended; Huntress saw about 300 successful sign-ins.
Huntress says a stolen Cloud Backup Microsoft 365 API secret was used in customer tenants.
Entities are extracted by the model from each article. First seen , last mentioned . Watching keeps it in this browser only (no account); the watchlist page and dashboard alerts use it.
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