PrivatOS was a hardened proprietary operating system for Blackphone. GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility. CopperheadOS; Debian-based. Subgraph is a Linux-based operating system designed to be resistant to surveillance and interference by sophisticated adversaries over the Internet

An introduction to the security facilities of Open Source UNIX-like operating systems, focusing on Linux distributions. User Accounts. Every UNIX-like system includes a root account, which is the only account that may directly carry out administrative functions. Linux system hardening takes a good amount of understanding about how the Linux kernel works. It also requires a good understanding of the operating system principles. In this guide, we will help you to get this understanding and provide you with tips and tools. The final result should be a secure Linux server or desktop system. Offensive Security was born out of the belief that the only real way to achieve sound defensive security is through an offensive mindset and approach. Kali Linux is one of several Offensive Security projects – funded, developed and maintained as a free and open-source penetration testing platform. Shell: Linux operating system offers a special interpreter program, that can be used to execute commands of the OS. It can be used to do several types of operations like call application programs, and so on. Security: Linux operating system offers user security systems using authentication features like encryption of data or password protection PrivatOS was a hardened proprietary operating system for Blackphone. GrapheneOS is an open source privacy and security focused mobile OS with Android app compatibility. CopperheadOS; Debian-based. Subgraph is a Linux-based operating system designed to be resistant to surveillance and interference by sophisticated adversaries over the Internet Security-Enhanced Linux (SELinux) is a Linux kernel security module that provides a mechanism for supporting access control security policies, including mandatory access controls (MAC). SELinux is a set of kernel modifications and user-space tools that have been added to various Linux distributions .

However, despite all the security an operating system can deploy to beef it up against malicious intent, there is very little you can do if you are being attacked by a zero day exploit. This exploit targets any discrepancy or bug found in the OS or in third party programs that was previously unknown to its developers.

The Linux system has its own security configuration and management system to address the security requirements in an enterprise environment. The system administrator needs to configure the Linux system to get more security assurance from the system, and IS auditors need to check the Linux system configuration as per audit standards to ensure

Apr 12, 2011 · Here, then, are a few of the best free tools you can use to help keep your Linux systems secure. 1. ClamAV. My favorite antivirus software for Linux is Sourcefire's ClamAV, a free, open source

Mar 12, 2020 · Discreete Linux a Debian based operating system with the special purpose of protecting data and system against surveillance attacks with trojan software. It is one of the user-friendly security-centric Linux distros designed for ease of use by people without deeper computer knowledge but high-security requirements. Sep 09, 2019 · The Linux Foundation Certified System Administrator is a certification earned by taking a test that is based on administrative performance. The Linux Foundation is responsible for the performance-based tests and is the only one offering such exams. At the time of writing, the Operating Systems used for this test are Ubuntu 16 or CentOS 7. Jan 03, 2015 · 25 Linux Security and Hardening Tips. Securing a system in a production from the hands of hackers and crackers is a challenging task for a System Administrator.This is our first article related to “How to Secure Linux box” or “Hardening a Linux Box“. Jul 18, 2020 · Security: – Linux operating system is secured because it offers user security by using authentication features such as password protection/controlled access to particular files or data encryption. Shell: – In the Linux operating system, there is a special program called an interpreter. With a built-in firewall and virus protection software, Ubuntu is one of the most secure operating systems around. And the long-term support releases give you five years of security patches and updates. Security Program: Implementing Linux Security. Information security is possibly one of the hardest subjects in IT. Doing too less and you risk of security breaches. Doing too much will restrict the core businesses of your organization. With a proper security program, implementing Linux security can be greatly simplified. Jul 19, 2020 · BlackArch Linux -an Arch Linux-based ethical hacking operating system for penetration testers and security researchers. The new version also has a total of 1400 penetration testing tools with the old ones updated and the new ones added, making it a must-have download for hackers and security researchers.