Windows Notepad Markdown feature opens door to RCE (CVE-2026-20841)
Among the many security fixes released by Microsoft on February 2026 Patch Tuesday is one for CVE-2026-20841, a command injection vulnerability in Notepad that could be …
Microsoft begins Secure Boot certificate update for Windows devices
Microsoft has begun updating Secure Boot certificates originally issued in 2011 to ensure that Windows devices continue to verify boot software as older certificates reach the …
Microsoft Patch Tuesday: 6 exploited zero-days fixed in February 2026
Microsoft has plugged 50+ security holes on February 2026 Patch Tuesday, including six zero-day vulnerabilities exploited by attackers in the wild. The “security feature …
Microsoft tightens Windows security with app transparency and user consent
Microsoft is strengthening default protections in Windows through two security initiatives, Windows Baseline Security Mode and User Transparency and Consent. User Transparency …
Why a decade-old EnCase driver still works as an EDR killer
Attackers are leaning on a new EDR killer malware that can shut down 59 widely used endpoint security products by misusing a kernel driver that once shipped with Guidance …
Microsoft sets a path to switch off NTLM across Windows
Windows is shifting to a more secure authentication approach, moving away from New Technology LAN Manager (NTLM) and toward stronger, Kerberos-based options. NTLM has been …
Google disrupts proxy network used by 550+ threat groups
Google has disrupted Ipidea, a massive residential proxy network consisting of user devices that are being used as the last-mile link in cyberattack chains. “In a single …
Attackers use Windows App-V scripts to slip infostealer past enterprise defenses
A malware delivery campaign detailed by Blackpoint researchers employs an impressive array of tricks to deliver an infostealer to employees without triggering enterprise …
Microsoft introduces winapp, an open-source CLI for building Windows apps
Microsoft has released winapp, a new command line interface aimed at simplifying the process of building Windows applications. The open-source tool targets developers who rely …
40 open-source tools redefining how security teams secure the stack
Open source security software has become a key way for teams to get flexibility, transparency, and capability without licensing costs. The free tools in this roundup address …
Fake “Windows Update” screen fuels new wave of ClickFix attacks
A convincing (but fake) “Windows Update” screen can be the perfect lure for tricking users into infecting their computers with malware. Add a multi-stage delivery …
Public PoC exploit for 7-Zip vulnerability is available (CVE-2025-11001)
NHS England Digital, the technology arm of the publicly-funded health service for England, has issued a warning about a 7-Zip vulnerability (CVE-2025-11001) being exploited by …
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