[German]The supply chain attack on Kaseya VSA affects approximately 1,500 companies worldwide, according to the manufacturer. This is according to a status update dated July 5, 2021. Meanwhile, the REvil group is demanding around $70 million in ransom to release the master key to decrypt the systems. Here is an overview of the latest developments.
[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 the course of a fictional cyber attack, participants from numerous countries are asked to respond in real time "to a targeted attack on a company's supply chain."
[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.
[German] I already talked about problems in connection with the June 2021 update for Windows 10 within some blog posts. If updates required as a prerequisite are missing, the installation will causes issues. But a blog reader emailed me to point out that there has been a serious issues in Windows 10 and its server counterparts for months in the detection of the combined SSU and LCU packages available in WSUS. I am therefore posting the information in this blog post for information and discussion.
[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 chain attack on RRM Kaseya VSA and the follow-up cyber attack on at least eight major US managed service providers (MSPs).
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[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 looks like the Kaseya IT management platform has been compromised. The whole thing is something like the SolarWinds supply chain attack, only this time it was ransomware.
[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 problem by disabling the Windows Printer Spooler service until a security update is available. Now ACROS Security has presented a free 0Patch solution for various Windows Server versions that prevents exploitation of the vulnerability.
[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 has confirmed that the RCE vulnerability known as PrintNightmare, CVE-2021-1675, is still unpatched and is even currently being exploited.
[German]Does anyone manage their Windows clients via Configuration Manager (ConfigMgr) and also use Bitlocker? There is a PowerShell script Invoke-MbamClientDeployment.ps1 to supposedly upload the keys. However, Microsoft writes that this PowerShell script is not supported for use with BitLocker Management in Configuration Manager – so it must not be used in this scenario under any circumstances.
[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 gain remote access to and take over a Windows Domain Controller.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
