Security News
Microsoft has released an emergency out-of-band update to address a Windows Server bug leading to Remote Desktop connection and performance issues. Affected platforms include Windows Server 2022, Windows Server 2019, Windows Server 2016, and Windows Server 2012 R2. The updates that address this issue are not available from Windows Update and will not install automatically on affected systems.
Pritunl is an open source VPN server you can easily install on your Linux servers to virtualize your private networks. I've walked you through the process of installing Pritunl on Ubuntu Server 20.04 and now I want to do the same with AlmaLinux 8.5.
Are you looking to deploy an in-house password manager server? Jack Wallen shows you how with Bitwarden and Docker. If you're seriously concerned about security and would rather not save your password database on a third-party server, you might want to consider deploying your own Bitwarden server.
Don't duck at the latest mention of Apache: Two critical bugs in its HTTP web server - HTTPD - need to be patched pronto, lest they lead to attackers triggering denial of service or bypassing your security policies. Both vulnerabilities are found in Apache HTTP Server 2.4.51 and earlier.
The credentials were a mixed bag in terms of sources, and it's not clear how these passwords became compromised. He added, "A compromised password goes well beyond the initial compromise as it facilitates password spraying and with the help of AI based analytical tools, the bad actors can start to identify patterns of how a person creates passwords. This is possible as the userID in question is an email address for the majority of the cases."
With more than 3000 files totalling close to a million line of source code, Apache httpd is a large and capable server, with myriad combinations of modules and options making it both powerful and dangerous at the time. Apache just published an httpd update that fixes two CVE-numbered security bugs.
Conti ransomware operation is using the critical Log4Shell exploit to gain rapid access to internal VMware vCenter Server instances and encrypt virtual machines. Among the first to leverage the bug were cryptocurrency miners, botnets, and a new ransomware strain called Khonsari.
Microsoft urges admins of self-hosted Minecraft servers to upgrade to the latest release to defend against Khonsari ransomware attacks exploiting the critical Log4Shell security vulnerability. While there was no mention of attacks targeting Minecraft servers using Log4Shell exploits at the time, Redmond's security experts updated their CVE-2021-44228 guidance today to warn of ongoing exploitation to deliver ransomware on non-Microsoft hosted Minecraft servers.
If you'd like a powerful firewall for your Ubuntu Server, but one that offers a fairly straightforward configuration, Jack Wallen thinks CSF might be the right tool for the job. Although Uncomplicated Firewall is an outstanding security service on Ubuntu Server, there might be times when you need more.
Malicious actors are deploying a previously undiscovered binary, an Internet Information Services webserver module dubbed "Owowa," on Microsoft Exchange Outlook Web Access servers with the goal of stealing credentials and enabling remote command execution. "Owowa is a C#-developed.NET v4.0 assembly that is intended to be loaded as a module within an IIS web server that also exposes Exchange's Outlook Web Access," Kaspersky researchers Paul Rascagneres and Pierre Delcher said.