In December 2022, Microsoft published their monthly Windows Update packages that included an advisory about malicious drivers, signed by Microsoft and other code-signing authorities, that Sophos X-Ops (and others) observed threat actors abusing during attacks. Today, Microsoft issued Security Advisory ADV230001 as part of their July Windows Update that addresses Sophos’ discovery of more than … Continue reading Microsoft Revokes Malicious Drivers in Patch Tuesday Culling