Microsoft Windows: Turn On Virtualization Based Security (Credential Guard Configuration)

Specifies whether Virtualization Based Security is enabled. Virtualization Based Security uses the Windows Hypervisor to provide support for security services. Virtualization Based Security requires Secure Boot, and can optionally be enabled with the use of DMA Protections. DMA protections requir...

Microsoft Windows: Turn On Virtualization Based Security (Virtualization Based Protection of Code Integrity)

This test checks the setting for policy OpenVAS Vulnerability Test $Id: winvbsprotectioncodeintegrity.nasl 11381 2018-09-13 14:55:03Z emoss $ Check value for Turn On Virtualization Based Security: Virtualization Based Protection of Code Integrity Authors: Emanuel Moss Copyright: Copyright c 2018...

Microsoft Windows: Turn On Virtualization Based Security (Require UEFI Memory Attributes Table)

This test checks the setting for policy OpenVAS Vulnerability Test $Id: winvbsrequireuefi.nasl 11381 2018-09-13 14:55:03Z emoss $ Check value for Turn On Virtualization Based Security: Require UEFI Memory Attributes Table Authors: Emanuel Moss Copyright: Copyright c 2018 Greenbone Networks GmbH,...

Microsoft Guidance to mitigate L1TF variant

Executive Summary On January 3, 2018, Microsoft released an advisory and security updates for a new class of hardware vulnerabilities involving speculative execution side channels known as Spectre and Meltdown. Microsoft is aware of a new speculative execution side channel vulnerability known as ...

Black Hat 2018: Stealthy Kernel Attack Flies Under Windows Mitigation Radar

There are lots of Holy Grails when it comes to compromising endpoints. One of them has long been an attack that leads to kernel ring0 access on a Windows system. That translates into so-called “God Mode” for hackers — and “game over” for victims. This is why Microsoft has gone to great lengths ov...

Hyper-V Debugging Symbols Are Publicly Available

The security of Microsoft’s cloud services is a top priority for us. One of the technologies that is central to cloud security is Microsoft Hyper-V which we use to isolate tenants from one another in the cloud. Given the importance of this technology, Microsoft has made and continues to make...

Teaming up in the war on tech support scams

Editors note: Erik Wahlstrom spoke about the far-reaching impact of tech support scams and the need for industry-wide cooperation in his RSA Conference 2018 talk Tech Scams: Its Time to Release the Hounds. Social engineering attacks like tech support scams are so common because theyre so effectiv...

Analysis of the Shadow Brokers release and mitigation with Windows 10 virtualization-based security

On April 14, a group calling themselves the Shadow Brokers caught the attention of the security community by releasing a set of weaponized exploits. Shortly thereafter, one of these exploits was used to create wormable malware that we now know as WannaCrypt, which targeted a large number of...

Uncovering cross-process injection with Windows Defender ATP

Windows Defender Advanced Threat Protection Windows Defender ATP is a post-breach solution that alerts security operations SecOps personnel about hostile activity. As the nature of attacks evolve, Windows Defender ATP must advance so that it continues to help SecOps personnel uncover and address...

Cumulative update for Windows 10 Version 1607 and Windows Server 2016: December 20, 2016

Cumulative update for Windows 10 Version 1607 and Windows Server 2016: December 20, 2016 Summary This update fixes an issue that was introduced in the December 13, 2016 release KB3206632 in which virtualization-based security VBS does not start, and features that rely on VBS, such as Credential...

Microsoft Windows 10 Virtualization-Based Security Bypass - Lenovo Support US

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Microsoft Windows 10 Virtualization-Based Security Bypass - us

Lenovo Security Advisory: LEN-8584 Potential Impact: Microsoft Virtualization-based security bypass by an attacker with administrative privileges Severity: Medium Scope of Impact: Industry-Wide Summary Description: A vulnerability affecting the virtualization-based security in Microsoft Windows 1...

December 13, 2016 — KB3206632 (OS Build 14393.576)

December 13, 2016 — KB3206632 OS Build 14393.576 Improvements and fixes This security update includes these additional improvements and fixes. No new operating system features are being introduced in this update. Key changes include: Improved reliability of Security Support Provider Interface...