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

Microsoft Security Blog feed covering recent security intelligence and guidance, including DeadLock ransomware, a macOS ClickFix campaign, the ChainDrop npm supply-chain worm, Midnight Blizzard credential-theft activity targeting travelers, ransomware disruption by Microsoft Defender, and Zero Trust guidance for AI and DevSecOps. The most actionable items describe active or emerging threats involving ransomware, malware delivery, credential theft, browser-fingerprinting evasion, and self-propagating malicious packages.