Microsoft365 on Onur Baydaşhttps://onurbaydas.com/en/tags/microsoft365/Recent content in Microsoft365 on Onur BaydaşHugoen-usSat, 17 Oct 2026 12:15:22 +0300Hackers Accessed 173 Microsoft 365 Tenants with ConnectWise Credentialhttps://onurbaydas.com/en/news/2026-10-17-connectwise-m365-credential-breach/Sat, 17 Oct 2026 12:15:22 +0300https://onurbaydas.com/en/news/2026-10-17-connectwise-m365-credential-breach/Cybersecurity researchers have reported an active campaign abusing a compromised Microsoft 365 credential belonging to ConnectWise Cloud Backup. Unknown threat actors gained unauthorized access to 173 different Microsoft 365 tenants using this credential.