ConnectWise Cloud Backup (SkyKick) app credentials abused in Microsoft 365 supply-chain attack; ~1,000 tenants probed, services suspended
ConnectWise suspended Cloud Backup (formerly SkyKick), SaaS Security and Cloud Management after unknown actors gained unauthorized access to its application identities and used them to sign in to customers' Microsoft 365 tenants. ConnectWise says it identified the incident on October 14, 2026 (thehackernews.com) and began mitigations on O…