Category Archives: computer

DICOM protocol: Millions of patient data accessible unprotected via the Internet

Posted on 2023-12-09 by guenni

[German]It's a very unpleasant situation: the DICOM protocol has been used for decades to exchange X-ray images or images from other imaging procedures with clinics and doctors, for example. It wasn't a problem until someone came up with the idea … Continue reading →

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Microsoft decommission the Technet Wiki, will be read-only from Dec. 5, 2023

Posted on 2023-11-30 by guenni

[German]A quick note for people who may have published content in the Microsoft Technet Wiki or would still like to access it. I have just noticed that Microsoft will probably remove or delete (decommission) this content in the future. This … Continue reading →

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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 ...

Fingerprint sensors and thus Windows Hello can be bypassed via vulnerabilities

Posted on 2023-11-26 by guenni

[German]Microsoft is using Windows Hello in its operating system for password-free login. This is supposed to be more secure than a password, as it cannot be stolen. Security researchers were asked by Microsoft's Offensive Research and Security Engineering (MORSE) to … Continue reading →

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ThinkPad X13s: BIOS Update fixes vulnerabilities

Posted on 2023-01-07 by guenni

[German]Lenovo has pointed out a number of vulnerabilities in the BIOS of the ThinkPad X13s in a security announcement. These allow memory corruption and information disclosure. A BIOS update is available to close the vulnerabilities. Advertising

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Dell, HP, Lenovo uses outdated OpenSSL versionen in UEFI

Posted on 2022-11-29 by guenni

[German]A firmware analysis by security vendor Binarly has revealed that devices from Dell, HP and Lenovo use outdated versions of the OpenSSL encryption library in their UEFI implementations. This poses a risk, as encryption could be broken and the update … Continue reading →

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Is Microsoft working on subscription and ad-supported low-cost PCs?

Posted on 2022-11-07 by guenni

[German]Reports said that Microsoft is internally working on low-cost PCs (low-cost hardware) financed via subscriptions and advertising. This is supposed to open up new business models, possibly after failing as a counterpart to Chromebooks. Advertising

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Trouble with Lenovo BIOS update

Posted on 2022-07-22 by guenni

[German]Users of Lenovo ThinkPads probably run into problems (booting, screen, etc.) due to BIOS or driver updates pushed onto the devices by Lenovo software. I'll summarize this as a hint to service providers who are confronted with the problem by … Continue reading →

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Windows 10 21H2: Explorer /Taskbar issuses – a collision between Search Highlights and "HP Development Company, L.P. – Extension – 8.10.5.34686"

Posted on 2022-06-10 by guenni

[German]I'm posting this topic in a revised edition as a precaution, since it might affect more people soon. Users of Windows 10 version 21H2 complain about problems with Explorer and Taskbar (freezes, crashes) that occur on HP systems. I had … Continue reading →

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Firefox 95/91.4.0esr

Posted on 2021-12-07 by guenni

[German]Mozilla developers have released version 95.0.0 with some new features and 91.4.0esr of the Firefox browser with a fix rated High as of December 7, 2021. Thanks to the blog readers for pointing out the updates. Advertising

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Wave of attacks, almost 2,000 Exchange servers hacked via ProxyShell

Posted on 2021-08-22 by guenni

[German]I have been waiting for this for a long time, but now the feared has happened. Since Friday, there has been a massive wave of attacks on unpatched Microsoft Exchange servers via the ProxyShell vulnerability. Huntres has already discovered over … Continue reading →

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