An exploited Outlook bug leaks NTLMv2 hashes when a user opens a crafted message file. Which Office builds fix it, how to check them, and what else to patch in November 2026.
October 2026 Patch Tuesday fixed about 1,400 flaws, including an exploited Windows Shell MOTW bypass. What to patch first and what to do about Exchange.
BlackX UEFI bootkit beats Secure Boot on patched Windows PCs missing the PCA 2011 revocation. How to check DBX, events and fix it safely.
What is an operating system? A clear definition, what an OS does, how it boots, its main parts, and popular examples like Windows, Linux, macOS and Android.
The difference between Linux and Windows explained: licensing, kernel, file system, users and permissions, software, security, servers and which to choose.
