Exchange Server November 2021 Security Updates Close RCE Vulnerability CVE-2021-42321

Posted on 2021-11-10 by guenni

Update[German]For administrators of Exchange Server 2013, 2016 and 2019, Microsoft has released the security updates for the current month as of November 9, 2021. Most relevantly, a Remote Code Execution (RCE) vulnerability CVE-2021-42321 is closed (was exploited at the Tianfu 2021 hacker contest). This is already being exploited by attackers in the wild – albeit on a limited scale – so prompt installation of the November 2021 security updates is advised.

Continue reading →

Posted in Security, Software, Update | Tagged , , | Leave a comment

Data breach at trading platform Robinhood exposes 7 million customer records

Posted on 2021-11-10 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The U.S. company Robinhood Markets has confirmed a privacy incident involving the personal data of about 7 million customers. That's about a third of its users. Among other things, a cyberattacker captured emails, which could lead to follow-up attacks on Robinhood customers. The cyberattacker attempted to extort the company after gaining access to email addresses and more through social engineering of a customer service representative.

Continue reading →

Posted in Security | Tagged | Leave a comment

Patchday: Windows 10 Updates (November 9, 2021)

Posted on 2021-11-10 by guenni

Windows[German]On November 9, 2021 (second Tuesday of the month, Patchday at Microsoft), various cumulative updates for the supported Windows 10 builds (from RTM version to the current version 21H1) were released. Here are some details about the respective patchday security updates.

Continue reading →

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

Microsoft announces Windows 11 SE for low-cost systems

Posted on 2021-11-10 by guenni

Windows[German]Microsoft has announced a new variant of Windows 11 called Windows 11 SE for November 9, 2021. This Windows 11 variant is supposed to be specially designed for low-cost educational PCs and offers optimizations for low-end hardware. I had already speculated about this move by Microsoft a few days ago – which has now been so confirmed.

Continue reading →

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

Windows Server 2008 R2 gets another year ESU support until January 9, 2024

Posted on 2021-11-10 by guenni

Windows[German]Support for Windows 7 SP1 and Windows Server 2008 R2 expired on January 14, 2020. However, Microsoft had provided a paid Extended Security Update Support for the two operating systems, which provides updates until January 10, 2023. Now it has been announced that Microsoft is extending this ESU support for Windows Server 2008 R2 for another year.

Continue reading →

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

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 ...

Ransomware attack on German medical service provider medatixx

Posted on 2021-11-09 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The German service provider for medical practices, medatixx GmbH & Co. KG, fell victim to a ransomware attack in the middle of last week. Not only the services for medical practices (doctor's offices) are is affected. Data of customers might have possibly been leaked as well. medatixx GmbH & Co. KG is responsible for 25 % of German doctors' offices.

Continue reading →

Posted in Security | Tagged | Leave a comment

Media Markt/Saturn: Ransomware attack by hive gang, $240 million US ransom demand

Posted on 2021-11-09 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The ransomware attack on Media Markt/Saturn's service provider, which became public on November 8, 2021, was carried out by the Hive gang. According to various reports, the attackers demanded between $50 and $240 million in ransom. Since the attack on the service provider, Media Markt and Saturn stores in Belgium, Germany and the Netherlands have been operating in an offline emergency mode, which may cause some restrictions. Here's the latest information.

Continue reading →

Posted in Security | Tagged | Leave a comment

Five affilitates of Sodinokibi/REvil ransomware group arrested

Posted on 2021-11-09 by guenni

Sicherheit (Pexels, allgemeine Nutzung)[German]The air is getting thinner for supporters and affiliates of various ransomware gangs. Pressure from law enforcement is increasing. Europol has uncovered and arrested five people who were actively involved in extortion as affiliates for the Sodinokibi/REvil ransomware group. Those involved were based in Romania and Kuwait and thought they were safe because, after all, everything was done via the Internet and cryptocurrency.

Continue reading →

Posted in Security | Tagged | Leave a comment

Prevent upgrade to Windows 11

Posted on 2021-11-09 by guenni

Windows[English]Since the release of Windows 11 on October 5, 2021, users with hardware suitable for this operating system are faced with the question: upgrade or not. And there is one more question: How can I effectively prevent the upgrade to Windows 11?

Continue reading →

Posted in Windows | Tagged , | Leave a comment

Ransomware Attack on electronic retail markets of Media Markt/Saturn

Posted on 2021-11-08 by guenni

Sicherheit[German]The electronics stores of the Media Markt and Saturn chains (in Germany and the Netherlands) have fallen victim to a successful ransomware attack. The more than 3,100 servers of these companies were encrypted, which has a direct impact on business operations. Numerous stores are running offline in a kind of emergency mode.

Continue reading →

Posted in Security | Tagged | Leave a comment