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Category Archives: Security
Cloudflare hacked in Nov. 2023
[German]US company Cloudflare, which provides a CDN, security services and DNS services, was hacked in November 2023. The attackers were able to access an Atlassian server using an authentication token and gain access to the Confluence wiki, the Jira bug … Continue reading
Ivanti Connect Secure: New vulnerabilities CVE-2024-21888 and CVE-2024-21893 patched
[German]Security issues in Ivanti products are ongoing. In January 2024, the provider had to disclose two new security vulnerabilities in Ivanti Connect Secure. These are CVE-2024-21888 (privilege escalation to admin) and CVE-2024-21893 (SSRF to access "restricted resources"). So far, there … Continue reading
AnyDesk: Be careful in using that remote support software
[German]A short warning to IT supporters who use the AnyDesk remote maintenance software for remote support. A few days ago, I reported some issues with this product (see my German blog post Störung bei AnyDesk, jemand betroffen?). AnyDesk web site … Continue reading
Edge 121.0.2277.98
[German]Microsoft has released another security update for the Edge (Chromium) browser with version 121.0.2277.98 in the stable channel on February 1, 2024. It is a security update that is intended to close vulnerabilities.
Volt Typhoon botnet shut down by US authorities (FBI)
[German]The US government has just announced that the Volt Typhoon spy and botnet network has been shut down by remote commands. This network, attributed to China, infiltrates routers and aims to be able to shut down critical infrastructure in the … Continue reading
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 ...
Vulnerability in GNU C Library (glibc) jeopardizes Linux distros
[German]The Qualys Threat Research Unit (TRU) has recently uncovered four significant vulnerabilities in the GNU C Library (glibc). This library is used in countless Linux applications in common Linux distributions. The vulnerabilities allow attackers to gain root privileges on Linux … Continue reading
Google Chrome 121.0.6167.139/140 with security fixes
[German]Google has released updates to the Google Chrome browser in the Stable Channel for Mac, Linux and Windows on January 30, 2024. There were also updates for the Extended Stable Channel. The Android app and the iOS app of the … Continue reading
Cybersecurity: The risks associated with photovoltaic solar systems
[German]The increasing decentralization of the power supply using solar cell systems not only represents progress in the energy transition, but also raises new security issues. Trend Micro has examined the IT security of systems for decentralized energy supply in a … Continue reading
How Midnight Blizzard hackers were able to penetrate Microsoft's email system
[German]It was recently revealed that hackers from the state-run group Midnight Blizzard Hackers were able to penetrate Microsoft's email system and read messages from executives or security experts. The hackers had been in the system for months. Microsoft has now … Continue reading
FRITZ!Box: Entering the URL fritz.box suddenly redirects to an external page
[German]Problem for users of an AVM FRITZ!Box family broadband routers who try to access the router's administration interface from the home network. However, when entering the URL fritz.box, users do not end up on the routers firmware FRITZ!Box login page, … Continue reading