Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020
Tag Archives: Security
Vulnerabilities (CVE-2025-59536, CVE-2026-21852) in Anthropic Claude Code
[German]Security researchers at Check Point Research have identified critical vulnerabilities (CVE-2025-59536, CVE-2026-21852) in Anthropic's AI-based coding tool "Claude Code." These vulnerabilities allowed remote code execution and the theft of API credentials. This is critical because attackers could abuse built-in mechanisms … Continue reading
MC1179154: Microsoft Authenticator locks itself when jailbreak/root access is used
[German]A quick note for people who use the Microsoft Authenticator app on an iPhone or Android device. Microsoft has announced that, as of February 24, 2026, it will first warn and then block EntraID logins on devices with jailbreak (iOS) … Continue reading
Posted in Android, ios, Security, Software
Tagged Android, Authenticator, iOS, Security, Software
Leave a comment
Firefox 148.0 with AI killswitch; Firefox 115.33.0 ESR as last update for Windows 7
[German]A few days ago, I reported that Mozilla Firefox 115 ESR would be discontinued on Windows 7/8.1. Now, Firefox 115.33.0 ESR has been released as the last update for these operating systems. Mozilla has also released Firefox 148.0 with AI … Continue reading
Microsoft Edge: Primary password to be discontinued in summer 2026
[German]Brief information for users of the Microsoft Edge browser who have used a so-called primary password. Microsoft has just declared this feature "deprecated" and will remove it by summer 2026.
Outlook add-in steals ~ 4,000 login and payment details
Add-ins are ubiquitous as "software helpers." But there is a constant risk that such add-ins will suddenly have malicious functions implanted in them. A once popular Outlook add-in stole 4,000 login details and payment details after the developer abandoned 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 ...
What will happen when Windows Secure Boot certificates expire in June 2026?
In June 2026, UEFI Secure Boot certificates for Windows will expire. In October 2026, the next UEFI certificate for Secure Boot will expire. Microsoft has been trying to replace this Secure Boot certificate in UEFI for quite some time. In … Continue reading
Patchday: Microsoft Office Updates (February 10, 2026)
On February 10, 2026 (the second Tuesday of the month, Microsoft Patch Day), Microsoft released several security updates for Microsoft Office. This month, a serious vulnerability in Word was fixed (see also the blog post Microsoft Security Update Summary (February … Continue reading
Patchday: Windows Server Updates (February 10, 2026)
On February 10, 2026 (the second Tuesday of the month, Microsoft's patch day), various cumulative updates were released for the supported versions of Windows Server. Below, I have listed the updates provided, along with some details for these Windows Server … Continue reading
Posted in Security, Update, Windows
Tagged Patchday 2.2026, Security, Update, Windows Server
Leave a comment
Exchange Server security updates February 2026
Microsoft released the "February 2026" security update for Exchange Server on February 10, 2026. The security update applies to Exchange Server 2016, Exchange Server 2019, and Exchange Server Subscription Edition (SE). Exchange Online customers are already protected and are not … Continue reading
Ivanti EPMM vulnerability CVE-2026-1281; EU and Dutch authorities hacked
I will summarize some of the findings from the last few days regarding vulnerabilities in Ivanti Mobile Device Management (EPMM). In this context, there was also an attack on the EU Commission and an attack on the data protection authority … Continue reading