Help Net Security newsletters: Daily and weekly news, cybersecurity jobs, open source projects, breaking news – subscribe here!

Please turn on your JavaScript for this page to function normally.
Microsoft
Windows 11’s strongest security defenses can be bypassed without a screwdriver

Researchers from the University of Birmingham and Durham University have found a way to knock down some of the toughest protections in Windows 11 without physically opening or …

Patch Tuesday
August 2026 Patch Tuesday forecast: How do we deal with the patch apocalypse?

July 2026 Patch Tuesday was record-setting in so many ways. The sheer volume of security patches for almost every product in the Microsoft portfolio was the highest ever and, …

hands
Bank of America impersonators weaponize ScreenConnect, then make it hard to remove

A phishing campaign impersonating Bank of America (BoA) is underway, trying to trick Windows users into installing ScreenConnect remote access software and then making it …

predictions
PoC exploit released for critical AD CS domain-takeover flaw (CVE-2026-54121)

Security researchers who discovered and reported CVE-2026-54121 (aka “Certighost”), a critical privilege elevation vulnerability in Active Directory Certificate …

Windows Server
Microsoft tightens Windows enterprise activation security

Microsoft is making Trusted Platform Module (TPM)-backed attestation a requirement for Windows Key Management Service (KMS), the on-premises service used for Windows volume …

Windows 10
The Windows 10 hangover is becoming a security problem

Windows 11 now runs on 78.8% of Windows devices after Microsoft ended support for Windows 10 on 14 October 2025, according to Lansweeper. Windows 10 still accounts for 16.9% …

Windows
Microsoft makes Windows SSO prompts easier to manage

Microsoft is introducing a new registry-based policy that lets IT administrators automatically accept Windows SSO permissions on Windows 11 versions 24H2 and 25H2 devices …

Microsoft
Microsoft demystifies how Windows updates work

Microsoft has published a guide explaining the Windows servicing model, outlining the purpose of monthly security updates, optional preview releases, hotpatch updates, and the …

Microsoft Intune security update status
Microsoft is rewriting Windows patch guidance because of AI

Microsoft is recommending that organizations shorten Windows update deployment timelines, warning that advances in AI are reducing the time attackers need to identify and …

open-source cybersecurity tools
20 open-source cybersecurity tools to keep your team ready for anything

AI is changing how security teams find vulnerabilities, analyze code, test applications, and protect infrastructure. Developers are building tools to secure AI systems …

Windows
Microsoft wants to keep your AI agents from going rogue

Microsoft has introduced Microsoft Execution Containers (MXC), a cross-platform, policy-driven execution layer for AI agents on Windows and Windows Subsystem for Linux (WSL), …

malware
SimpleHelp vulnerability exploited to deliver mighty Djinn Stealer (CVE-2026-48558)

Attackers are exploiting CVE-2026-48558, a recently patched authentication bypass vulnerability in SimpleHelp RMM, to drop the novel Djinn Stealer malware on victim computers. …

Don't miss

Cybersecurity news
Daily newsletter sent Monday-Friday
Weekly newsletter sent on Mondays
Editor's choice newsletter sent twice a month
Periodical newsletter released for important security events and breaking news
Weekly newsletter listing new cybersecurity job positions
Monthly newsletter focusing on open source cybersecurity tools