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Category Archives: Security
Microsoft Security Update Summary (June 8, 2021)
[German]On June 8, 2021, Microsoft released security updates for Windows clients and servers, for Office, etc. – as well as for other products – have been released. Below is a compact overview of these updates.
Posted in Office, Security, Software, Update, Windows
Tagged Patchday 6.2021, Sicherheit, Update, Windows
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Adobe Acrobat (Reader) DC 21.005.20048
[German]Adobe has released a security update for Adobe Acrobat (Reader) DC to version 21.005.20048 on June 8, 2021. The release notes include download addresses for the Windows and macOS installers, as well as notes on what bug has been fixed. … Continue reading
Ironside: Police trick criminals with ANOM Crypto-Devices and Messenger app
[German]It is the stuff of a detective story. Among criminals, cell phones with encrypted communication using the messenger service ANOM were very popular. What the criminals didn't know was that the American FBI had taken over ANOM and was able … Continue reading
Colonial Pipeline News: Hack by stolen VPN credential, FBI partially recovers ransom money
[English]The ransomware attack at US Colonial Pipeline resulted from a phishing attack in which the hackers captured VPN credentials for the IT systems. Such credentials are now traded on the darknet for numerous companies. In addition, the FBI has managed … Continue reading
Siloscape malware targets Windows containers in Kubernetes clusters
[German]Security researchers from Palo Alto Networks are sounding the alarm, having encountered malware called Siloscape. The malware attempts to compromise Windows containers running in Kubernetes clusters in the cloud. It then attempts to infiltrate all containers in the Kubernetes cluster. … 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 ...
Attacks on VMware vCenter servers, proof of concept available
[German]At the end of May, in the post Vulnerability CVE-2021-21985 in vSphere Client, patch it! I had reported about a CVE-2021-21985 vulnerability in VMware vSphere client and called for patching. Now, not only has a proof of concept (PoC) become … Continue reading
Tenable reveals unpatched installer vulnerability in macOS
[German]Security vendor Tenable has uncovered several security-related issues affecting macOS application installers at once. One of these problems is the possibility to bypass macOS' standard security mechanisms regarding signed application installers. These are actually supposed to prevent the execution of … Continue reading
PoC for Hyper-V vulnerability (CVE-2021-28476) in vmswitch.sys
[German]There is a remote code execution vulnerability (CVE-2021-28476) in Microsoft's Hyper-V virtualization solution that allows a guest-to-host attack. Microsoft provided security updates in May 2021, so the vulnerability could be closed. Now a security researcher has published a proof of … Continue reading
Chinese UC browser leaks user data in iOS and Android, even in Inkognito mode
[German]The Chinese company Alibaba offers an app called UC Browser for Android and iOS via its subsidiary UCWeb (resides in Singapore). The browser is ranked fourth in the world by the number of users. Now it has come out that … Continue reading
Fix: Windows 7 ESU system does not find updates
[English]Today another small blog post about Extended Security Updates support (ESU) for Windows 7 SP1 and Server 2008 R2. I encountered the problem last year. Despite a valid ESU license, my Windows 7 SP1 production system wouldn't pull updates, nothing … Continue reading