Category Archives: Security

Cyber Polygon July 9, 2021

[German]Cyber Polygon  is an annual cybersecurity event dedicated to cybersecurity topics. Taking place on July 9, 2021, Cyber Polygon this time is about simulating a cyber attack on the digital data streams that have skyrocketed during the coronavirus pandemic. In … Continue reading →

Posted in Security | Tagged | Leave a comment

Azure Virtual Desktop: A bug blocks WSUS update downloads (June 2021)

[German]Microsoft is investigating an issue that is preventing the download of security updates via Windows Server Update Services (WSUS) for Azure Virtual Desktops. Virtual Desktop instances are stuck at the May 2021 update level.

Posted in Cloud, Security, Update, Windows | Tagged , , , | Leave a comment

Coop-Sweden closes 800 stores after Kaseya VSA supply chain attack by REvil gang

[German]Co-operative Swedish supermarket chain Coop was forced to close its 800 affiliated stores Friday evening and Saturday after a ransomware attack on a service provider responsible for billing and point-of-sale systems. The whole thing is directly related to the supply … Continue reading →

Posted in Security | Tagged , | Leave a comment

REvil Ransomware attack at 200 Companies via Kaseya VSA and Management Service Provider (MSP)

[German]It is once again a nightmare come true for the IT landscape. The REvil ransomware group has succeeded in an attack via management service providers (MSPs). As a result, the servers of 200 companies were encrypted by the ransomware. It … Continue reading →

Posted in Security | Tagged , | Leave a comment

0Patch Micropatches for PrintNightmare Vulnerability (CVE-2021-34527)

[German]There is a remote execution vulnerability in the Windows Printer Spooler service that primarily threatens Windows Server systems and is already being actively exploited. So far, Microsoft has only confirmed the vulnerability and provided information on how to mitigate the … Continue reading →

Posted in Security, Windows | Tagged , , | 2 Comments

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 Print Spooler Vulnerability (CVE-2021-1675, PrintNightmare) Confirmed by MS; CISA Warns

[German]A brief  update on the RCE vulnerability CVE-2021-1675 in the Windows Print Spooler known as PrintNightmare. US-CISA warns and recommends disabling the Print Spooler service on servers that are not used for printing. And as of July 1, 2021, Microsoft … Continue reading →

Posted in Security, Windows | Tagged , | Leave a comment

PoC for Windows print spooler vulnerability public, high RCE risk

[German]Security researchers have published proof-of-concept (PoC) code for a remote code execution (REC) vulnerability in the Windows Print Spooler. The POC code was immediately deleted, but it is assumed that copies were pulled. The CVE-2021-1675 vulnerability allows an attacker to … Continue reading →

Posted in Security, Windows | Tagged , | 1 Comment

700 million LinkedIn user records offered in underground forum

[German]At the beginning of April 2021, 500 million user records of LinkedIn users were offered for sale in an underground forum (see Data leak: 500 million LinkedIn user data for sale in underground forum). Now a new data leak has … Continue reading →

Posted in Security | Tagged | 1 Comment

Toleration of MS Teams in Hessian schools ends on July 31, 2021

[German]Schools and students in German state Hesse will no longer be able to work with Microsoft Teams as a video conference communication solution in the next school year winter 2021/2022. The Hessian Commissioner for Data Protection and Freedom of Information … Continue reading →

Posted in Security | Tagged | Leave a comment

Atlassian vulnerability allows account takeover

[German]Security researchers from vendor Check Point have discovered a vulnerability in the Atlassian platform, which is popular with many companies. This vulnerability would have allowed attackers to access the Atlassian Jira Bug System, where information about security issues and other … Continue reading →

Posted in Security, Software | Leave a comment