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Tag Archives: Security
Exchange Server Security Updates (February 14, 2023)
[German]Microsoft has released security updates for Exchange Server 2013, Exchange Server 2016, and Exchange Server 2019 as of February 14, 2023. These security updates close four vulnerabilities (rated as important) in this software. The updates are intended to be installed … Continue reading
Microsoft Security Update Summary (February 14, 2023)
[German]On February 14, 2023, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – released. The security updates fix 75 vulnerabilities, of which 9 are critical, 66 are important and … Continue reading
LocalPotato NTLM Authentication Vulnerability (CVE-2023-21746)
[German]In mid-January 2023 month, I had pointed out a local NTLM authentication vulnerability (CVE-2023-21746) in my German blog post Nach RemotePotato0 kommt die Windows Local Potato NTLM-Schwachstelle (CVE-2023-21746). The two security researchers Andrea Pierini &anAntonio Cocomazzi refer to this as … Continue reading
KeePass 2.53.1 fixes vulnerability CVE-2023-24055
[German]The developers of the password safe KeePass have improved the new version KeePass 2.53.1 with regard to the vulnerability CVE-2023-24055. Specifically, the export function for passwords has been secured. This was preceded by a warning from the Cyber Emergency Response … Continue reading
Cyberattack debacle on VMware ESXi Server; "Recovery Script" for ESXiArgs Ransomware Victims
[German]Since last weekend, cyberattacks on vulnerable ESXi servers have been ongoing worldwide and there are probably a number of people affected (in Germany, a three-digit number is said to be affected). The attackers are exploiting a vulnerability that was already … Continue reading
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 ...
Microsoft 365 Apps for Business does not support macro policies (GPOs)
[German]This is an unpleasant story, actually a scandal, which I'm putting up for discussion here on the blog. Anyone using Microsoft 365 Apps for Business is in for an unpleasant surprise. Microsoft has pruned the product, so this product does … Continue reading
Can antivirus software protect Windows 11 from ransomware? (Jan. 2023)
[German]This is an exciting question that many users are certainly asking themselves: Can current antivirus software actually protect Windows 11 against current ransomware? AV-TEST GmbH wanted to find out and unleashed a series of known ransomware samples on Windows 11 … Continue reading
Windows 7/Server 2008/R2: Support until January 2024 (KB4522133)
[German]January 2023 was the scheduled end of support for Windows 7 SP1 and Windows Server 2008 / R2 as part of the Extended Security Update program (ESU). February 2023 is the first month where there should actually be no more … Continue reading
QNAP warns about vulnerability CVE-2022-27596 in QTS 5.0.1 and QuTS hero h5.0.1
[German]NAS manufacturer QNAP has issued a security warning for its QNAP products. There is a critical vulnerability CVE-2022-27596 in the QTS 5.0.1 and QuTS hero h5.0.1 software that allows malicious code injection into the firmware. The critical vulnerability has been … Continue reading
CERT Warning: Default KeePass Setup Allows Password Theft (CVE-2023-24055)
[German]Warning to users of KeePass Password Safe for managing passwords and credentials. The Cyber Emergency Response Team from Belgium (CERT.be) published a warning about KeePass on January 27, 2023. In the default setup, write access to the XML configuration file … Continue reading