Tag Archives: UEFI

UEFI firmware bug compromises over 70 Lenovo notebooks (July 2022)

Posted on 2022-07-14 by guenni

[German]Note for blog readers who use Lenovo (and IBM) notebooks. Security researchers from ESET have found serious vulnerabilities in the UEFI firmware of Lenovo notebooks that allow the operating system to be hijacked in the early boot phase. Lenovo has … Continue reading →

Posted in devices, Security | Tagged , , | Leave a comment
Advertising

MosaicRegressor: An UEFI malware

Posted on 2020-10-06 by guenni

[German]Security researchers from Kaspersky have discovered malicious code in the UEFI installed on the motherboard of devices at customer sites. The malicious code was part of a larger malware framework called Kaspersky MosaicRegressor.  Advertising

Posted in devices, Security | Tagged , , | Leave a comment

How to find weak passwords in Active Directory and eliminate them with PowerShell

[Sponsored Post]Weak or compromised passwords are a known gateway for attackers. If you are able to identify which users in Active Directory (AD) are threatened by this, then PowerShell can help to remedy it. However, PowerShell scripts cannot eliminate basic AD deficits, other tools are needed for this. More ...

FOSS LinuxBoot replaces UEFI on servers

Posted on 2018-10-14 by guenni

[German]Vendors using Linux-Servers intends to move away from proprietary hardware with UEFI, Intel ME & Co. The free LinuxBoot is the answer to the UEFI glue of the commercial manufacturers, but is limited to the server area. Here is some … Continue reading →

Posted in devices, Linux, Security | Tagged , , | Leave a comment
Advertising

Warning: Windows Server hangs after UEFI Secure Boot (November 2016) Update

Posted on 2016-11-26 by guenni

[German]Administrators of Lenovo Servers should take care. November 2016 Security Update for Boot Manager (3193479) is causing some Lenovo Servers to hang during boot at Lenovo splash screen. Advertising

Posted in Update, Windows | Tagged , , , , , | Leave a comment