[German]Following the preview updates for Windows 10 V1809/1909 (see Windows 10 1809/1909: Preview Updates (May 20, 2021)), Microsoft has released another optional cumulative (preview) update for Windows 10 version 2004, 20H2 and 21H1, as well as their Windows Server counterparts, on 5/25/2021. Here's an overview of this update.
[German]Telegram is a semi-encrypted messaging and chat app, that's is seen as a rival to Whatsapp. Cybercriminals have moved beyond the Dark Web and started using Telegram to share their hacks and reach a wider audience. Private data from millions of people is openly shared in groups with 10,000s of members, and very little is being done to stop this worrying trend.
[German]Since a few days Microsoft has released the Windows 10 May 2021 Update (version 21H1) as a feature update. However, if you want to determine the Windows 10 version via PowerShell or other tools, you run into certain difficulties. The ReleaseID of Windows 10 21H1 returns the value 2009. I happened to come across the corresponding discussion and post this here on the blog for your information.
[German]The http-sys vulnerability (CVE-2021-31166), which was already patched in May 2021, is more serious than initially assumed. Windows 10/Windows Server systems running the Windows Remote Management Service (WinRM) are also threatened. Administrators should ensure that affected systems are patched, as the http-sys vulnerability allows worm-like spread of malware.
Apple has released updates to its iOS 14.6 and macOS 11.4 operating systems as of May 24, 2021. iOS 14.6 is available for iPhone 6s and newer, iPad Pro (all models), iPad Air 2 and newer, iPad 5th generation and newer, iPad mini 4 and newer, and iPod touch (7th generation). A list of the closed vulnerabilities can be found here. Apple has published a description of the security fixes for macOS 11.4 here. Bleeping Computer has published some information about the (already exploited) macOS vulnerability here, which has now been patched.
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[English]Bose, a manufacturer of audio products, has fallen victim to a ransomware attack. In the process, some of the company's employees' data was also siphoned off, the company has admitted. The malware attack was discovered on March 7, 2021, and on March 29 it was found that data from the human resources department was siphoned off. A few details can be read at Bleeping Computer.
[German]Users of Microsoft's cloud storage OneDrive occasionally run into login issues. The login is rejected with the error 0x8004de40 when logging in. Microsoft addressed the issue the other day and suggests a workaround for these cases.
[German]In 2011, a hack of the security provider shook up the security scene. This was because Chinese hackers had managed to have the RSA servers and the seed keys to generate SecurIDs for two-factor authentication (2FA). After 10 years, the non-disclosure agreement (NDA) to which parties were subject has now expired. Used Andy Greenberg to publish a post from the information he received.
[German]Just a short note – the blogs here – especially my German language IT blog has been nominated for the European Cybersecurity Blogger Awards 2021. I have now been informed that I have reached the finals – whether there will be an award, I don't know – I feel honored, but I'm also relaxed about it – we will wait and see.
[German]In enterprise environments, WSUS is frequently used under Windows Server for update management. But how do administrators use WSUS and what do they manage with it? I have the results of a survey from the end of 2020, which I have intended to present here on the blog for a long time.
MVP:
2013 – 2016
WIMVP:
2017 – 2020
