Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020
Category Archives: Security
BGP.Exchange Website Compromised (Sept. 12, 2026)
[German]A quick update that a blog reader brought to my attention. BGP.Exchange has been hacked, and the site has been compromised. As of September 12, 2026, the website has been defaced, and it appears that spam is also being sent through … Continue reading
Windows: Remote Desktop Services (RDS) Issues caused by September 2026 Updates Confirmed
[German]The Microsoft security updates released on September 8, 2026, cause RDP connections to stop working after the patches are installed. Users are logged out and can no longer log in. Microsoft has now confirmed this; all versions of Windows are … Continue reading
Posted in issue, Security, Update, Windows
Tagged issues, Patchday 9.2026, Update, Windows
Leave a comment
SonicWall SMA1000 Series: Critical Vulnerability Exploited (Sept. 2026)
[German]Since September 1, 2026, SonicWall, CERT Austria, and CERT Germany have been warning about two critical vulnerabilities (CVE-2026-83548, CVE-2026-83549) in the SMA1000 Series from SonicWall. Unpatched instances of the Secure Mobile Access (SMA) 1000 Series are currently under attack. However, … Continue reading
EX1464935: M365 Outage Due to Forgotten Certificate Renewal (August 31, 2026)
[English]A quick update and a question about whether anyone else is affected. A reader informed me that he has recently been receiving an increasing number of reports from customers about Microsoft 365 outages. Microsoft appears not to have renewed a … Continue reading
Posted in Cloud, issue, Office, Security
Tagged Cloud, Exchange Online, issue, Mail, Outlook
4 Comments
Veeam ONE with Critical Vulnerability CVE-2026-65641 (CVSS 9.3)
[German]A brief update for users and administrators who rely on Veeam ONE. There is a critical vulnerability, CVE-2026-65641 (CVSS 9.3), in Veeam ONE that could potentially expose login credentials. Veeam ONE should therefore be updated immediately to versions 13.1.0.7233 or … 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 ...
Windows Defender Crashes During a Quick Scan (August 18, 2026)
[German]Brief question for the Windows users among my blog readers: Did any of you experience problems with Microsoft Defender on Windows 10 or Windows 11 on August 18, 2026? I've received two reports from readers stating that Microsoft Defender crashes … Continue reading
I: Microsoft Defender flags Synology backups as a Trojan (August 3, 2026)
[German]A German blog reader contacted me about a strange behavior, he faced on hypervisors. Microsoft Defender flags Synology backups on the affected user's servers as a Trojan. As a result, the backups no longer run. The reader wrote to me … Continue reading
Posted in computer, issue, Security, Virtualization, Windows
Tagged Backup, Defender, issue, Synology, Windows Server
Leave a comment
Chrome 151.0.7922.71/.72 fixes 370 vulnerabilities
[German]On July 29, 2026, Google updated the Chrome browser to versions 151.0.7922.71/.72. The update in the 150 development branch is available in the Stable Channel and fixes 370 vulnerabilities. Users should therefore update Chromium-based browsers and their derivatives as soon … Continue reading
FortiBleed: Administrator Passwords Compromised on 74,000 Fortinet Firewalls
[German]Operators of Fortinet products are at risk of having their instances compromised by attackers. This is because the passwords for administrator access to these instances have been cracked. Attackers can take control of the installations and manipulate them at will. … Continue reading
What's going on in France: One data breach after another
Recently I found myself wondering what's been going on in France lately. For the past few days, one major data breach after another has come to public. All of them stem from hacks of government platforms or large organizations. Here's … Continue reading