ConnectWise Cloud Backup supply-chain attack: compromised API secret used against hundreds of Microsoft 365 tenants
A threat actor obtained a highly sensitive API secret for ConnectWise Cloud Backup (formerly SkyKick) and used it to sign in to customers' Microsoft 365 tenants, forcing ConnectWise to suspend its Cloud Backup, SaaS Security and Cloud Management services. Huntress saw sign-in activity from the malicious infrastructure across almost 1,000 …