Category Archives: computer

Dell, HP, Lenovo uses outdated OpenSSL versionen in UEFI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[German]A firmware analysis by security vendor Binarly has revealed that devices from Dell, HP and Lenovo use outdated versions of the OpenSSL encryption library in their UEFI implementations.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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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 ...

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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ThunderSpy: Thunderbolt 3 vulnerabilities

Posted on 2020-05-11 by guenni

[German]Security researchers have just disclosed vulnerabilites in the Thunderbolt 3 connector that can be used to spy on devices. They provided tools to check Linux and Windows system for these vulnerabilities. Advertising

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How dangerous is Snake/Ekans for industrial plants?

Posted on 2020-02-19 by guenni

[English]How dangerous is the recently discovered Ransomware Snake/Ekans, which targets industrial plants? Although the malware does not directly attack ICS processes, it is still dangerous for critical infrastructures and OT systems. Advertising

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Chuck Peddle: Creator of the 6502 Processor died

Posted on 2019-12-25 by guenni

In times when I was working with my 1st Microprocessors early in the eighties, there were the 8 bit Intel 808x processors, and the MOS 6502 CPU, that was used in the Apple II, the Commodore C64, the PET 2001 … Continue reading →

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Apple confirms macOS Catalina issues on MacBook Pro

Posted on 2019-10-10 by guenni

Apple has confirmed serious issues with the just released macOS (Catalina) on MacBook Pros, that affects Media Creatives. iTunes has been split into 3 parts – and some media tools are now broken. Advertising

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