Microsoft

Active attack: Dirty Frag Linux vulnerability expands post-compromise risk

Dirty Frag is a newly disclosed Linux local privilege escalation vulnerability affecting kernel networking and ...

These 5 critical Windows Defender settings are off by default - turn them on ASAP

Windows Defender has several security settings, including some you need to switch on to get the utmost protection. Here's why ...

How to Install OpenAI Codex on Windows with Security Measures

Learn how to install OpenAI Codex on Windows, with essential security measures to protect your API keys, system, and ...

Window’s Secure Boot certificates are expiring in June — here’s what you need to do

The Secure Boot certificates powering one of Windows' most critical security features expire in June 2026 — and not every PC ...
Cloud Security Alliance

The "AI Vulnerability Storm"

Learn how AI is accelerating vulnerability discovery and reshaping security. Get actionable guidance to build a Mythos-ready ...
TechCrunch

Hackers are abusing unpatched Windows security flaws to hack into organizations

Hackers have broken into at least one organization using Windows vulnerabilities published online by a disgruntled security researcher over the last two weeks, according to a cybersecurity firm. On ...
CSOonline

Another Microsoft Defender privilege escalation bug emerges days after patch

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling SYSTEM-level privilege escalation on fully patched Windows systems. Days after ...
Hosted on MSN

Microsoft's Security Response Center is being blamed for the zero-day BlueHammer exploit leak

On April 2, 2026, a security researcher using the name Chaotic Eclipse published a blog post stating that they were "doing it again." Under this warning, a link to a GitHub account page for a user ...
Dark Reading

'BlueHammer' Windows Zero-Day Exploit Signals Microsoft Bug Disclosure Issues

The leak online of exploit code for an apparent Windows zero-day flaw dubbed "BlueHammer" could be the sign of a larger issue that security researchers face when collaborating with Microsoft on ...
TechRepublic

‘BlueHammer’ Exploit Targets Windows, Potentially Impacting 1 Billion+ Devices

A researcher released a working ‘BlueHammer’ Windows zero-day exploit that could impact over 1 billion devices, granting SYSTEM-level access and leaving no patch yet. A disgruntled security researcher ...
PC World

Security expert publishes Windows exploit after Microsoft went silent

PCWorld reports on the ‘BlueHammer’ zero-day vulnerability that allows attackers to potentially take over Windows computers through privilege escalation. A frustrated security researcher published the ...
TechRepublic

Microsoft’s Latest Windows 11 Update Adds New Features, Strengthens Security

Microsoft’s April Windows 11 update brings Smart App Control changes, AI-powered Narrator upgrades, and performance improvements. Microsoft’s new features, improvements, and security fixes for Windows ...