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.
Microsoft 365 is under attack, China and Russia afflited hackers suspected. Updated December 23 with advice from a mobile security solutions expert regarding the Russian device code attacks targeting ...
Microsoft now says suspected Russian hackers behind a massive campaign that impacted government agencies, local municipalities and companies were also able to view some of the company’s source code.
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