Microsoft Revokes Malicious Drivers in Patch Tuesday Culling

Credit to Author: Andrew Brandt| Date: Tue, 11 Jul 2023 17:20:38 +0000

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 […]

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3CX Desktop Attack: Sophos Customer Information

Credit to Author: Editor| Date: Thu, 30 Mar 2023 08:44:21 +0000

Overview Sophos X-Ops is tracking an attack against the 3CX Desktop application, possibly undertaken by a nation-state-related group. The affected software is 3CX – a legitimate software-based PBX phone system available on Windows, Linux, Android, and iOS. The application has been abused by the threat actor to add an installer that communicates with various command-and-control […]

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