Category Archives: Security

Attack to unpatched Exchange Servers (CVE-2020-0688)

[German]Attention Exchange Server Administrators – Cyber criminals are currently scanning the Internet for unpatched Exchange installations to exploit vulnerability CVE-2020-0688.

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The ‘nasty’ sides of the PayPal Fraud

[German]I would like to take up again the story about the illegally charged PayPal accounts of German users. Because more and more details about this fraud are coming into light.

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Security information for Linux and Exchange

[German]In this blog post I summarize some security information that has come to my attention in the last few hours. These are topics, for which I do not want to publish separate individual contributions in the blog. It is about … Continue reading

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Kr00k: Wi-Fi vulnerability puts millions of devices at risk

[German]Security researchers at ESET have discovered a vulnerability in Broadcom and Cypress WLAN chips that could compromise the WPA2 encryption of millions of devices (routers). Here is some information on the subject.

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Espionage: Cloud Snooper communicates via firewalls

[German]Security experts at SophosLabs have discovered a new cyber attack using spyware. The malware has been christened Cloud Snooper, implants a rootkit and communicates across firewalls. The spyware was found in the Amazon cloud on a Linux server. The malware … 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 ...


Windows 10: (Intel Microcode-) Updates (Feb. 25./26. 2020)

[German]Microsoft has released another batch of microcode updates for Windows 10 version 1507 to 1909 on February 25, 2020 (it seems, it's old updates). In addition, a reader informed me, that he received another USB 2.0 microphone bug fix update … Continue reading

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Security information (Feb. 25, 2020)

[German]In this blog post, I will quickly summarize important security information that has come to my attention in the last few hours. There are so many topics that the blog would burst with individual contributions. Are violent things like missing … Continue reading

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News about unauthorized PayPal/Google Pay debits

[German] some German (and Russian) Paypal users suffer from unauthorized debits for purchases at US branches of Starbucks and Target. This morning it looked as if dispute cases of affected parties are rejected. Now I have an answer from the … Continue reading

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Security Update Chrome 80.0.3987.122 (25.2.2020)

[German]Google's developers have released version 80.0.3987.122of the Chrome browser. This is a security update which should close three vulnerabilities.

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Vulnerability CVE-2020-9054 in ZyXEL NAS devices

[German]Zyxel has closed a 0-Day vulnerability in its NAS devices through a firmware update. An exploit code for the vulnerability is currently being sold on underground forums for $20,000.

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