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 the Enemy: Upgrade Your Threat Detection Strategy with Honeynets and New Report: Severe Flaws in Cyberoam’s Firewall and VPN Technology Left at Least 86,000 Networks Vulnerable to Exploit. We also examine various topics including getting started with GPG (GnuPG), leading open-source artificial intelligence projects, how to secure documents by encrypting compressed files on Linux using a password and how to secure your Linux system against unwanted access locally and across the network with eight helpful lockdown controls. Happy Memorial Day - and happy reading!

New Report: Severe Flaws in Cyberoams Firewall and VPN Technology Left At Least 86,000 Networks Vulnerable to Exploit - A new report published by vpnMentor examines two critical vulnerabilities in cybersecurity provider Cyberoam s firewall and VPN technology, which - both independently and combined - could be exploited by malicious actors to access the companys email quarantine system without authentication and remotely execute arbitrary commands. These flaws were discovered by different security researchers working independently, and have both been patched by Sophos .

Know The Enemy: Upgrade Your Threat Detection Strategy with 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. It will also examine some great open-source honeynet options your organization may wish to consider.

  scanbox: A powerful hacker toolkit (May 18)

Scanners Box also known as scanbox , is a powerful hacker toolkit , which has collected more than 10 categories of open source scanners from Github, including subdomain, database, middleware and other modular design scanner etc. But for other Well-known scanning tools, such as nmap, w3af, brakeman, arachni, nikto, metasploit, aircrack-ng will not be included in the scope of collection.

  Startpage private search engine now an option for Vivaldi browser (May 21)

If you are concerned with protecting your privacy online, you'll want to try the Startpage search engine.

  Open Source Artificial Intelligence: Leading Projects (May 22)

Learn about leading open-source AI projects that are producing the artificial intelligence advances of the future. The focus includes machine learning, deep learning, neural network and other applications that are pushing the boundaries of ML and AI.

  Ten Crucial Privacy Statistics That May Surprise You (May 19)

Not all Internet users are careless about their digital security - but many are still victims of cybercriminals and stalkers due to mistakes online. Here are ten online privacy statistics that may surprise you.

  Chrome 83 adds DNS-over-HTTPS support and privacy tweaks (May 21)

The latest version of Google Chrome has arrived with a long list of new security and privacy features.

  Mozilla, Twitter, Reddit join forces in effort to block browsing data from warrantless access (May 25)

Seven Internet giants including Mozilla, Twitter and Reddit have asked the US House of Representatives to protect users' privacy online and prohibit the warrantless collection of Internet search and browsing history when it considers the USA FREEDOM Reauthorization Act.