Category Archives: devices

CISA: Backdoor in patient monitor system Contec CMS8000

Posted on 2025-02-01 by guenni

[German]The US cyber security authority CISA warns of a backdoor in the Contec CMS8000 patient monitor system from a Chinese manufacturer. A backdoor has been discovered in various firmware versions that enables data transmission and remote access. The devices should … Continue reading →

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Reolink Android app contains now three Chinese trackers

Posted on 2025-01-31 by guenni

[German]Reolink offers surveillance cameras for various tasks. The Reolink app for Android is available to access the camera. However, the latest app versions come with three Chinese trackers, which were quietly integrated in October 2024. Advertising

Posted in Android, Cloud, devices, Security, Software | Tagged , , , | 7 Comments

Zyxel disaster: Dead USG FLEX / ATP Series boxes (24.1.2025)

Posted on 2025-01-24 by guenni

[German]Brief information and question to the readers who have Zyxel firewalls in their portfolio as to whether there are any affected parties. It seems to have hit some instances today, January 24, 2025. The "boxes" were put out of operation … Continue reading →

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Windows 11 and trouble with HP consumer notebook

Posted on 2025-01-19 by guenni

[German]German blog reader Martin contacted me by e-mail this week because a new HP consumer notebook (HP 15s-fq0318ng) came across his desk. Windows 11 24H2 was pre-installed on this system. The experienced supporter can guess what's coming: Martin tried to … Continue reading →

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Need a Lenovo BIOS simualator?

Posted on 2025-01-02 by guenni

[German]A little tip for people who may need to document BIOS settings for Lenovo devices. Lenovo offers a BIOS simulator that allows you to retrieve all settings via the Internet and document them with a screenshot. Advertising

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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 ...

38C3: Bitlocker bypassed via vulnerabilities (Dec. 2024)

Posted on 2024-12-31 by guenni

[German]A small addendum from the weekend – at the 38C3 congress of the Chaos Computer Club, Thomas Lambertz, a security expert, showed how Microsoft's Bitlocker encryption can be circumvented by "downgrading" a patched vulnerability. The way in which secret services … Continue reading →

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Windows 11 24H2: Are scanner issues fixed?

Posted on 2024-12-25 by guenni

[German]Recently, Microsoft acknowledged problems with devices that use the eSCL scan protocol under Windows 11 24H2. This also affects USB scanners that simply cannot be found if they use the eSCL scan protocol. Microsoft claims to have fixed this error. … Continue reading →

Posted in devices, ios, issue, Update, Windows | Tagged , , | 5 Comments

HP OfficeJet Pro 9122e: Communicates without WLAN during setup

Posted on 2024-12-21 by guenni

[German]A rather crude observation from a blog reader, which he described to me some time ago and which I am posting here. The reader bought an HP OfficeJet Pro 9122e and was surprised that the device started setting up as … Continue reading →

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Skoda: Vulnerability in MIB3 infotainment allows malware injection via BlueTooth

Posted on 2024-12-16 by guenni

[German]Security researchers have taken a closer look at the infotainment system in Skoda vehicles (belongs to Volkswagen car manufacturer group). They discovered several vulnerabilities that could allow attackers to remotely trigger certain functions on the vehicle and track the location … Continue reading →

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German CERT also warns of massive wave of attacks on Citrix Netscaler gateways (Dec. 2024)

Posted on 2024-12-13 by guenni

[German]A few days ago, I warned in the blog post Massive wave of attacks on Citrix Netscaler gateways since 5, and 6, Dec. 2024? about a massive wave of attempted attacks on Citrix Netscaler gateways since around Dec. 5, 2024. … Continue reading →

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