Thank you for subscribing to our Linux Security Week newsletter! In this weekly newsletter, we strive to provide readers with a comprehensive overview of the week’s most relevant open source security news. We want to provide you with the type of content you are interested in, and would love to hear your thoughts on this week's articles.

Today’s newsletter highlights our two most recent feature articles: Know Your Enemy: Honeynets and Decade of the RATs: Is Linux Secure? We also examine various topics including four critical exploitable holes in IBM’s Linux-powered Data Risk Manager, the arrival of Ubuntu 20.04 with significant new features including the Wiregard VPN, recent improvements that the IPFire Linux firewall distribution has made to its intrusion prevention system, as well as how to create backups with Fsarchiver on Linux - clearly explained in an in-depth tutorial. Happy Monday - and happy reading!

Open Source Intelligence, Security Hacking, and Security Blogger Dancho Danchev - Open Source Intelligence (OSINT), is a tactic used to learn about information relevant to protecting an organization from external and internal threats using publically accessible data. Being able to identify information that could potentially be used against an organization provides actionable insight that could reduce the risk that organization may face. Its an early warning system used to forecast and signal a potential threat.

Know Your Enemy: Honeynets - Honeynets are an invaluable offensive security tool for learning the tactics and motives of the blackhat community and sharing the information and insights gathered. This article will explore what a Honeynet is, its value, how it works and the risks involved with deploying a Honeynet.

  Google Issues Warning For 2 Billion Chrome Users (Apr 20)

Are you a Google Chrome user? Google has issued a warning of a vulnerability in its Chrome browseracross Windows, Mac and Linux -urging users to upgrade to the latest version of the browser (81.0.4044.113).

  Linux is secure - it is its users who are not (Apr 21)

The rise in attacks on Linux in recent years is not due to problems with the Linux OS, but rather issues with individual accounts and poor administration. LinuxSecurity Founder Dave Wreski states: "Although it may be easy to blame the rise in attacks targeting Linux in recent years on security vulnerabilities in the operating system as a whole, this is simply not the truth. The majority of exploits on Linux systems can be attributed to misconfigured servers and poor administration."

  IBM == Insecure Business Machines: No-auth remote root exec exploit in Data Risk Manager drops after Big Blue snubs bug report (Apr 22)

IBM has admitted to making 'a process error, improper response' to abug report that identified four vulnerabilities in its enterprise security software, and the tech giant plans to issue an advisory.

  IPFire Linux Firewall Distro Improves Its Intrusion Prevention System (Apr 23)

Are you familiar with IPFire - theLinux firewall distribution? The distro has now improved its intrusion prevention system.

  Wireguard – the open-source answer to VPN shortfalls? (Apr 22)

Could Wireguard be the open-source answer to VPN shortfalls? Find out in this article.

  Ubuntu 20.04 arrives with Linux 5.4 kernel and WireGuard VPN (Apr 24)

The latest long-term support version of Ubuntu Linux - Focal Fossa - has been released with nice features for desktop, server, and cloud users including kernel lockdown mode, ExFat support and the Wireguard VPN.

  Germany pivots from centralized coronavirus tracing app to privacy-protecting alternative (Apr 27)

Germany officials have changed their stance on a centralized coronavirus tracing app, now favoring a privacy-protecting alternative.