Cybersecurity researchers are sounding the alarm related to an active campaign in which unknown threat actors are abusing a compromised Microsoft 365 (M365) credential belonging to ConnectWise Cloud Backup (formerly SkyKick) to gain unauthorized access to customers’ M365 environments.
ConnectWise Cloud Backup is a cloud-based backup and recovery service built for managed service providers (MSPs) to secure their clients’ Microsoft 365 or Google Workspace data. To accomplish its tasks, the application is granted broad access to mailboxes, OneDrive, SharePoint, Teams, and directory data in every tenant on which it’s installed.
Huntress said it has observed confirmed unauthorized sign-ins within 173
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