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Today’s newsletter highlights our two most recent feature articles: Linux Server Security: A Getting Started Guide and IoT Security Vulnerabilities are Ubiquitous: How To Secure Your Router and Your Linux System Now. We also examine various topics including the discovery that hidden Linux kernel security fixes can be spotted prior to release and important updates released by Canonical mitigating 17 Ubuntu vulnerabilities. Happy Monday - and happy reading!

Linux Server Security: A Getting Started Guide - Are your Linux servers secure? No machine connected to the internet is 100% secure, of course. In the words of security guru Bruce Schneier: Security is a process, not a product. However, this doesn't mean that you are helpless. Although cyber attacks, hacks and breaches are sometimes unavoidable, all system administrators and users can take definitive measures to mitigate their risk online. 

IoT Security Vulnerabilities are Ubiquitous: How To Secure Your Router and Your Linux System Now - The Internet of Things (IoT) is rapidly growing, connecting more devices each day. It is projected that by 2025, the world will have an astounding 64 billion IoT devices .

  Linux and Security for Today’s Embedded Medical Devices (Sep 3)
 

The use of Linux is becoming increasingly common in the development of modern embedded medical devices for various reasons - including the high level of security it offers. Discover how embedded developers can ease development of advanced Linux-based medical devices for reliability and safety.
  Lucifer Malware Comes Back Targeting Linux Systems (Sep 2)
 

Lucifer malware emerged a few months ago as a typical Windows malware. However, it has now returned with greater power and new capabilities - enabling it to target Linux systems.
  Microsoft Kills Off TLS 1.0 and 1.1 for Its Linux App Repository (Aug 31)
 

For obvious reasons, Microsoft is pushing for the migration to TLS 1.2, and  the software giant has announced a change concerning its Linux app repository.  To download packages, TLS 1.2 will now be mandatory.
  5 open source software applications for virtualization (Aug 31)
 

Open-source software offers a selection of benefits including improvements in security, flexibility and agility, but admins must first determine whether each tool's use cases align with their workload needs.
  Compare Docker vs. Podman for container management (Sep 2)
 

Are you using Docker for container management? If so, you may want to reconsider. Docker and Podman offer similar capabilities when it comes to managing containers, but Docker's security vulnerabilities could make Podman more appealing for certain system administrators.
  FBI warned of how Ring doorbell surveillance can be used against police officers (Sep 1)
 

You're probably aware of the privacy concerns associated with Ring doorbells, but have you considered the risks that this popular IoT device poses to police officers?
  Bottlerocket: Amazon’s Open Source Container Linux Distribution Now Available (Sep 3)
 

Bottlerocket - Amazon's long anticipated open-source container Linux distro - is now available! Bottlerocket lets you host and run containers like Kubernetes on VMs or bare metal hosts.
  Canonical Releases Important Ubuntu Kernel Updates to Patch 17 Vulnerabilities (Sep 4)
 

Ubuntu users - have you implemented the latest kernel updates released by Canonical  to address 17 recently-discovered security vulnerabilities?
  Hidden Linux kernel security fixes spotted before release – by using developer chatter as a side channel (Sep 7)
 

Security researchers have found that they can detect Linux kernel security fixes before they are released - information that could be used by malicious hackers to develop and deploy exploit code before patches are widely available.
  The advantages of using Linux (Sep 7)
 

Radenta Technologies Inc., a Filipino-owned computing technology company, explains the benefits of usng Linux: "Companies and individuals select Linux for their servers for its security, flexibility and robustness, complemented by excellent support".