Microsoft named a Leader in the 2026 IDC MarketScape for MDR/MXDR for the Enterprise

Microsoft Security Blog RSS content covering security product announcements, threat research, and defensive guidance. Key threat reports describe DeadLock Rust ransomware using decentralized recovery and leak infrastructure with double extortion; a macOS ClickFix campaign using browser-fingerprinting gates to conceal infostealer lures; ChainDrop, a self-propagating credential-stealing worm distributed through more than 400 compromised npm packages; and Midnight Blizzard sub-cluster Storm-2945 compromising hospitality sign-in portals to deliver malware and steal credentials. Additional items من