Category Archives: Security

Microsoft Microsoft Januar 2022 Patchday Revisions (2022/01/14)

Posted on 2022-01-17 by guenni

[German]As of January 11, 2022, Microsoft has released a number of security updates for Windows and Office that are supposed to eliminate vulnerabilities. However, some of these updates caused problems, disrupting functions in Windows. On January 14, 2022, Microsoft released … Continue reading →

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REvil ransomware Group took down in Russia by FSB

Posted on 2022-01-16 by guenni

[German]The Russian Federal Security Service (FSB) has reportedly raided homes and arrested suspected members of the REvil ransomware group at the request of U.S. law enforcement. In the process, 500,000 euros and 600,000 US dollars in cash were seized. The … Continue reading →

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Adobe Acrobat (Reader) DC 21.011.20039, Install error and open Bugs

Posted on 2022-01-15 by guenni

[German]On January 11, 2022 there was a security update for Adobe Acrobat (Reader) DC to version 21.011.20039. Furthermore, the last few days some users have contacted me to report open bugs. Here's an overview about that topics.

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0patch fixes RemotePotato0 vulnerability in Windows

Posted on 2022-01-14 by guenni

[German]The ACROS Security team around founder Mitja Kolsek has just developed a micro-patch to close a Local Privilege Escalation vulnerability of Windows. The patch is available free of charge for all customers with the 0patch agent until Microsoft closes this … Continue reading →

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Microsoft patch day issues Jan. 2022: bugs confirmed, but updates not pulled

Posted on 2022-01-14 by guenni

[German]The January patch day 2022 (January 11, 2022) brought administrators of Windows Server systems into serious trouble: Hyper-V is bricked, DCs are force into boot loops, ReFS has been removed, IPSec VPN connections are broken, and so on. Microsoft has … Continue reading →

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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 ...

Firefox 96.0 und 91.5.0 esr; Issues with web site access – but it's fixed now

Posted on 2022-01-13 by guenni

[German]Mozilla developers have released version 96.0.0 with some new features and 95.5.0esr of the Firefox browser on January 11, 2022. However, with the new Firefox 96 there was problems accessing various websites. Here is the information on how to fix … Continue reading →

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Patchday: Microsoft Office Updates (January 11, 2022)

Posted on 2022-01-13 by guenni

[German]On January 11, 2022 (second Tuesday of the month, Microsoft Patchday), Microsoft released several security-related updates for still-supported Microsoft Office versions and other products. RCE vulnerabilities will be closed again. For Microsoft Access, the bug from December 2021 is fixed … Continue reading →

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Windows Server 2012/R2: January 2022 Update KB5009586 bricks Hyper-V Host

Posted on 2022-01-12 by guenni

[German]Microsoft Hyper-V users running Windows Server 2012/R2 should be cautious about installing update security update KB5009586 or KB5009624 for Windows Server 2012/R2. The security updates released on January 11, 2022 have several unpleasant collateral damages at once. After installing the … Continue reading →

Posted in Security, Update, Virtualization, Windows | Tagged , , , | 31 Comments

Windows VPN connections (L2TP over IPSEC) broken after January 2022 update

Posted on 2022-01-12 by guenni

[German]The security updates for Windows released on January 11, 2022 have a very unpleasant collateral damage. All users who rely on VPN connections with L2TP over IPSEC will no longer work after installing the updates in question. Here is an … Continue reading →

Posted in issue, Security, Update, Windows | Tagged , , , , | 16 Comments

Patchday: Updates for Windows 7/Server 2008 R2 (January 11, 2022)

Posted on 2022-01-12 by guenni

[German]On January 11, 2 Microsoft has released various updates for Windows 7 SP1 systems that are still in ESU support. Also with ESU Bypass v11 the whole thing still works. However, these security updates are also available for Windows Server … Continue reading →

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