Editor’s note: This is a guest analysis from Christopher Budd, who previously spent a decade at the Microsoft Security Response Center (MSRC). Emergency security teams know summer weekends are made ...

CISA confirmed on Monday that ransomware gangs are now exploiting a Microsoft Defender privilege escalation vulnerability, dubbed BlueHammer, that has previously been abused in zero-day attacks.

Microsoft's SharePoint, a web-based collaboration tool used by hundreds of millions of professionals, was targeted by several high-profile attacks last month. These attacks, which targeted US federal ...

Update your systems ASAP, as Bleeping Computer points out that today’s Patch Tuesday updates include one for a zero-day flaw already exploited by attackers. CVE-2024-49138 - Microsoft Windows Common ...