Editing Security-focused operating system

{{Short description|Operating systems focused on security}}
{{Use dmy dates|date=July 2018}}

This is a list of [[operating system]]s specifically focused on [[computer security|security]]. Similar concepts include [[security-evaluated operating system]]s that have achieved certification from an [[code audit|auditing]] organization, and [[trusted operating system]]s that provide sufficient support for [[multilevel security]] and evidence of [[correctness (computer science)|correctness]] to meet a particular set of requirements.

== Linux ==
{{Main|Linux}}

=== Android-based ===
{{Main|Android (operating system)}}
* [[GrapheneOS]] is a privacy and security-focused [[mobile operating system]] for selected [[Google Pixel]] [[smartphone]]s and tablets.

=== Debian-based ===
{{Main|Debian}}
* [[Tails (operating system)|Tails]] is aimed at preserving [[privacy]] and [[anonymity]].<ref>{{cite web | url = https://lwn.net/Articles/440279/ | title = The Amnesic Incognito Live System: A live CD for anonymity [LWN.net] | last = Vervloesem | first = Koen | date = 27 April 2011 | website = lwn.net | access-date = 14 June 2017 | archive-url = https://web.archive.org/web/20170821050853/https://lwn.net/Articles/440279/ | archive-date = 21 August 2017 | url-status = live}}</ref>
* [[Whonix]] consists of two [[Virtual Machine|virtual machines]]. All communications are forced through [[Tor (network)|Tor]].<ref>{{cite web |url=https://www.theregister.co.uk/2012/11/13/whonix/ | title=Devs cook up 'leakproof' all-Tor untrackable platform | publisher=The Register | date=13 Nov 2012 | access-date=10 July 2014}}</ref><ref>{{cite web |url=https://www.wired.com/2014/06/be-anonymous-online/ | title=How to Anonymize Everything You Do Online | publisher=Wired | date=17 June 2014 | access-date=10 July 2014 | author=Greenburg, Andy}}</ref><ref>{{cite web |url=http://www.techrepublic.com/blog/smb-technologist/whonix-adds-a-layer-of-anonymity-to-your-business-tasks/ | title=Whonix adds a layer of anonymity to your business tasks | publisher=TechRepublic | date=4 January 2013 | access-date=10 July 2014}}</ref>
* [[Linux Kodachi]] is a security-focused operating system.<ref>{{Cite web |last=Choudhury |first=Ambika |date=2019-06-04 |title=10 Most Secured Linux Distros For Advanced Privacy & Security |url=https://analyticsindiamag.com/ai-mysteries/10-most-secured-linux-distros-for-advanced-privacy-security/ |access-date=2024-11-01 |website=AIM |language=en-US}}</ref>

=== Other Linux distributions ===
* [[Alpine Linux]] is designed to be small, simple, and secure.<ref>{{Cite web |title=about &#124; Alpine Linux |url=https://alpinelinux.org/about/ |website=alpinelinux.org}}</ref> It uses [[musl]], [[BusyBox]], and [[OpenRC]] instead of the more commonly used [[glibc]], [[GNU Core Utilities]], and [[systemd]].<ref>{{Cite web|url=https://linuxbsdos.com/2010/08/23/alpine-linux-2-review/|title=Alpine Linux 2 review &#124; LinuxBSDos.com|first=GigaTux|last=says|date=24 August 2010}}</ref>
* [[Openwall Project|Owl]] - Openwall GNU/Linux, a security-enhanced Linux distribution for servers.

== BSD ==
{{Main|Berkeley Software Distribution}}

* [[OpenBSD]] is a [[Unix-like]] [[operating system]] that emphasizes [[software portability|portability]], [[software standard|standardization]], [[software bug|correctness]], proactive [[computer security|security]], and integrated [[cryptography]].<ref>{{cite web|url=https://www.openbsd.org/|title=OpenBSD|author=OpenBSD Project|date=19 May 2020|website=OpenBSD.org|access-date=12 October 2020}}</ref>

== Xen ==
{{Main|Xen}}

* [[Qubes OS]] aims to provide [[computer security|security]] through isolation.<ref>{{cite web |url=https://www.theregister.co.uk/2012/09/05/qubes_secure_os_released/ |title=Qubes OS bakes in virty system-level security |publisher=[[The Register]] |date=September 5, 2012}}</ref> Isolation is provided through the use of [[virtualization]] technology. This allows the segmentation of applications into secure [[virtual machine]]s.

== See also ==
{{columns-list|colwidth=22em|
* [[Computer security]]
* [[Comparison of operating systems]]
* [[Security engineering]]
}}

== References ==
{{reflist|1=30em}}

{{Information security}}

[[Category:Computer security]]
[[Category:Operating system security]]