Tag Archives: UEFI

Microsoft's UEFI Secure Boot certificate expires in June 2026

Posted on 2025-06-30 by guenni

[German]I'm revisiting a topic here on the blog that still has a year to go, but could have very unpleasant consequences. UEFI Secure Boot certificates expire in June 2026. In October 2026, the next expiring UEFI certificate for Secure Boot … Continue reading →

Posted in devices, Security, Update, Windows | Tagged , , , , | 1 Comment

Surface Pro 8 loses UEFI information – and is suddenly an OEM product

Posted on 2025-06-25 by guenni

[German]Brief information for those who are still managing Surface Pro 8 devices. There seems to be a problem that these devices suddenly lose their UEFI information (manufacturer, model, serial number). This causes a lot of trouble.

Posted in devices, issue | Tagged , , | 1 Comment

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

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. 

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

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

Why ISL Online: Critical factors when choosing a remote desktop solution

[Sponsored Post]In the rapidly evolving IT world, choosing the right remote desktop software is critical for organizations that value security, ease of use and reliability. One provider of secure remote access that has been on the market since 2001 is ISL Online, which presents some considerations for choosing such software below. More ...

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.

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