UEFI

Microsoft Secure

Guidance for investigating attacks using CVE-2022-21894: The BlackLotus campaign

This guide provides steps that organizations can take to assess whether users have been targeted or compromised by threat actors exploiting CVE-2022-21894 via a Unified Extensible Firmware Interface (UEFI) bootkit called BlackLotus.
The post Guidance for investigating attacks using CVE-2022-21894: The BlackLotus campaign appeared first on Microsoft Security Blog. READ MORE HERE…

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Microsoft Secure

Surface expands its Secured-core portfolio with the new Surface Laptop 4 powered by AMD Ryzen™ Mobile Processors

Microsoft is proud to announce our latest Secured-core offering, the all-new Surface Laptop 4 powered by AMD Ryzen™ Mobile Processors. These devices offer comprehensive security out-of-the-box with tightly integrated hardware, software, firmware, and identity protection layers.
The post Surface expands its Secured-core portfolio with the new Surface Laptop 4 powered by AMD Ryzen™ Mobile Processors appeared first on Microsoft Security. READ MORE HERE…

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Microsoft Secure

System Management Mode deep dive: How SMM isolation hardens the platform

Key to defending the hypervisor, and by extension the rest of the OS, from low-level threats is protecting System Management Mode (SMM), an execution mode in x86-based processors that runs at a higher effective privilege than the hypervisor.
The post System Management Mode deep dive: How SMM isolation hardens the platform appeared first on Microsoft Security. READ MORE HERE…

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