Social networks
Awards
MVP:
2013 – 2016
WIMVP:
2017 – 2020
Tag Archives: Security
File Read Vulnerability in VMware vCenter Prior to Version 6.5u1
Small note for users of VMware vCenter before version 6.5u1. If you are using older versions, you should update to 6.5u1. This is because there is a vulnerability that allows files to be read without authentication.
Zyxel backdoor (CVE-2020-29583) is actively exploited
In late December 2020, I had blogged about an undocumented user in Zyxel products (CVE-2020-29583), see my the blog post Undocumented User in Zyxel Products (CVE-2020-29583). The vendor has provided an update to remove this undocumented user that's a backdoor. … Continue reading
SolarWinds hack: Hacker goals; outsourcing are under investigation?
[German]More and more details about the SolarWinds hack are coming to light, and more and more questions are surfacing. There are a large number of people affected, raising the question of the attackers' targets. In addition, questions are growing louder … Continue reading
Cyber security trends 2021
[German]To kick off 2021, I'd like to take a quick look at cybersecurity trends. What can we expect in the next 12 months in this regard, especially after many tasks were moved to the home office in 2020 as part … Continue reading
Retired: Enhanced Security Admin Environment (ESAE) Approach
[German]A brief note for admins responsible for security in Active Directory structures and 'secure workstations'. Microsoft has retired the Enhanced Security Admin Environment (ESAE) architectural approach to securing AD computer structures.
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 ...
Good news: Most messaging apps are secure
With the Covid-19 pandemic forcing many countries to go into lockdown, people are having to talk to their friends and family or customers online rather than in person. The good news: Most messenger apps are secure, but be careful with … Continue reading
SolarWinds hackers had access to Microsoft source code
[German]Microsoft has admitted that the hackers who introduced the SolarWinds backdoor into the Orion software had access to project source code. Code could allegedly not be changed, however.
Security Baseline for Windows 10/Server 20H2 released
Microsoft has published the final release of Security Baseline package for Windows 10 version 20H2 and Windows Server version 20H2. The announcement has been made in this Techcommunity blog post. The Security Baseline package is a set of tools, that … Continue reading
CheckPoint VPN clients before V E81.20 fails after January 1, 2021 due to expired certificate
[German]Are you using an older CheckPoint VPN Client and/or a CheckPoint Endpoint Security Client before version E81.20? Since a certificate expires at the turn of the year, the CheckPoint software in question will no longer work after Jan. 1, 2021. … Continue reading
Undocumented User in Zyxel Products (CVE-2020-29583)
[German]In many Zyxel products (firewalls) there is a vulnerability CVE-2020-29583 in the form of an undocumented user. The manufacturer has since released firmware updates to fix the vulnerability.