Russian-state hackers wasted no time exploiting a critical Microsoft Office vulnerability that allowed them to compromise the ...

Microsoft issued an out-of-band security update on Jan. 26 to address CVE-2026-21509, a Microsoft Office vulnerability the ...

Ukraine's defenders have spotted a new hacking attack ...

Ukraine's Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently patched vulnerability in multiple versions of Microsoft Office.

CHICAGO -- Microsoft revealed Friday that some of its corporate email accounts were hacked by a Russian-backed group. The tech company said in a blog post that its security team detected the attack on ...

APT28's attacks use specially crafted Microsoft Rich Text Format (RTF) documents to kick off a multistage infection chain to deliver malicious payloads.

BOSTON (AP) — Microsoft says Russia once again accounted for most state-sponsored hacking, with a 58% share of intrusion attempts it detected in the past year. The targets were mostly government ...

The suspected Russian hacking campaign that has torn through the U.S. government zeroed in on more than 40 organizations, Microsoft’s president said Thursday. Microsoft’s statement is the first to ...