Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

SELinux: History & Applications

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).

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

SELinux topic overview

The analysis highlights History and Applications as prominent areas in the source structure around SELinux. 1 topic appears in more than one source area, which can help identify connections that are less obvious in a linear reading.

Related topics
63
Source areas
7
Connected nodes
71
Extracted relationships
114
Concept neighborhoods
35
Bridge connections
71

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 18 topics
Overview · 18 topics
Adoption · 15 topics
Comparison with AppArmor · 6 topics
Features · 3 topics
Similar systems and enhancements · 3 topics
Use case scenarios · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Developer
SELinux project
License
GNU GPL
Operating system
Linux
Original authors
NSA and Red Hat
Release
22 December 2000; 25 years ago (2000-12-22)
Repository
github.com/SELinuxProject/selinux

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

History

Features

Adoption

Use case scenarios

Comparison with AppArmor

Similar systems and enhancements

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How SELinux connects Entity context

The extracted context around SELinux shows recurring relationship patterns in the source. For example, SELinux → BleherJoshua BrindleRussell CokerJohn DennisJanak, Corporation, DesaiUlrich DrepperLorenzo Hernandez Garcia-HierroDarrel, GoeddelCarsten GrohmannSteve GrubbIvan GyurdievSerge, HallynChad HansonJoerg HohTrent JaegerDustin, HatPetre RodanShaun SavageChad SellersRogelio, Internet Archive Wayback Machine, Justin SmithManoj SrivastavaTresys TechnologyMichael, KirklandKaigai KoheiPaul KrumviedeJoy LattenTom, LondonKarl MacMillanBrian MayFrank MayerTodd, Matt AndersonRyan BergauerBastian BlankThomas, MillerRoland McGrathPaul MooreJames MorrisYuichi, NAI Labs, NakamuraGreg NorrisEric ParisChris PeBenitoRed, Network Associates Laboratories, NSA, SCC, Serrano Jr, The, The MITRE CorporationSecure Computing Another extracted example is SELinux → Among, Android, As, Debian, Fedora, Fedora Core, Hardy Heron, Linux, Other, SLE, Stretch, SUSE Linux Enterprise, Ubuntu. Use these groups to spot repeated connection types before inspecting the individual relationships.

SELinux

Top relations

related to Original and external contributors · 24
SELinux → BleherJoshua BrindleRussell CokerJohn DennisJanak, Corporation, DesaiUlrich DrepperLorenzo Hernandez Garcia-HierroDarrel, GoeddelCarsten GrohmannSteve GrubbIvan GyurdievSerge, HallynChad HansonJoerg HohTrent JaegerDustin, HatPetre RodanShaun SavageChad SellersRogelio, Internet Archive Wayback Machine, Justin SmithManoj SrivastavaTresys TechnologyMichael, KirklandKaigai KoheiPaul KrumviedeJoy LattenTom, LondonKarl MacMillanBrian MayFrank MayerTodd, Matt AndersonRyan BergauerBastian BlankThomas, MillerRoland McGrathPaul MooreJames MorrisYuichi, NAI Labs, NakamuraGreg NorrisEric ParisChris PeBenitoRed, Network Associates Laboratories, NSA, SCC, Serrano Jr, The, The MITRE CorporationSecure Computing
related to Adoption · 13
SELinux → Among, Android, As, Debian, Fedora, Fedora Core, Hardy Heron, Linux, Other, SLE, Stretch, SUSE Linux Enterprise, Ubuntu
related to Comparison with AppArmor · 11
SELinux → Another, AppArmor, Because AppArmor, DAC, Debian-based, Immunix Linux, SLES, SUSE Linux Enterprise Server, There, Version, Whereas SELinux
related to history · 11
SELinux → DAC, Linux, MAC, National Security Agency's Trusted, Originally, POSIX, Rainbow Book, The, TRUSIX, UNIX, Working Group
related to Users, policies and security contexts · 8
SELinux → Files, For, Hardware, In, PostgreSQL, The, The SELinux, This
related to Features · 7
SELinux → Access Vector Cache, AVC, Cached, Clean, Default-deny, Flexible, Independence
related to overview · 7
SELinux → It, Limiting, Linux, NSA SELinux, Team, The NSA Security-enhanced Linux, This
related to Similar systems and enhancements · 3
SELinux → Isolation, Security-Enhanced Android, The NSA
related to Use case scenarios · 3
SELinux → Command-line, It, This
Developer · 1
SELinux → SELinux project

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

security linux apparmor policy system files access control kernel policies file users also nsa type mandatory enforcement user one systems

SELinux relationships Subject–Predicate–Object triples

TTTA extracted 114 structured relationships around SELinux. Examples in this analysis include SELinux → Developer → SELinux project and SELinux → License → GNU GPL. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
SELinuxDeveloperSELinux project1.00infobox
SELinuxLicenseGNU GPL1.00infobox
SELinuxOperating systemLinux1.00infobox
SELinuxOriginal authorsNSA and Red Hat1.00infobox
SELinuxRelease22 December 2000; 25 years ago (2000-12-22)1.00infobox
SELinuxRepositorygithub.com/SELinuxProject/selinux1.00infobox
SELinuxStable release3.11 / 1 July 2026; 54 days ago (1 July 2026)1.00infobox
SELinuxTypeSecurity, Linux Security Modules (LSM)1.00infobox
SELinuxWebsiteselinuxproject.github.io1.00infobox
SELinuxWritten inC1.00infobox
SELinuxis aset of kernel modifications and user-space tools that have been added to various Linux distributions0.90text
Debian as of version 9 Stretch releaseinstance ofOther distributions include support for it0.80text

Related concept clusters Concept neighborhoods

The concept neighborhoods around SELinux bring nearby vocabulary together. In this analysis, examples include Files, System and Policy. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • SELinux
    • Files
    • System
    • Policy
    • Type
    • Users
    • Apparmor
    • Enforcement
    • File
    • Nsa
    • Capabilities
    • One
    • User
  • selinux
    • Files
    • System
    • Policy
    • Type
    • Users
    • Apparmor
    • Enforcement
    • File
    • Nsa
    • Capabilities
    • One
    • User
  • linux kernel
    • Kernel
    • Linux
    • System
    • Security
    • Access
    • Selinux
    • Mandatory
    • Control
    • Policies
    • Operating
    • Controls
    • Hat
  • security module
    • System
    • Selinux
    • Enforcement
    • Mandatory
    • Policies
    • Files
    • Based
    • Hat
    • Red
    • Type
    • Policy
    • Nsa
  • access control
    • Control
    • Mandatory
    • System
    • Enforcement
    • Type
    • Dac
    • Linux
    • Policies
    • Selinux
    • Controls
    • Security
    • Kernel
  • mandatory access controls
    • Control
    • Mandatory
    • Capabilities
    • Based
    • Operating
    • Policies
    • Trusted
    • System
    • Enforcement
    • Set
    • Type
    • Dac
  • linux distributions
    • Kernel
    • Security
    • Access
    • Selinux
    • Mandatory
    • Control
    • Hat
    • Red
    • Version
    • Apparmor
    • System
    • Policies
  • national security agency (nsa).
    • Original
    • Hat
    • Red
    • System
    • Selinux
    • Enforcement
    • Mandatory
    • Policies
    • Files
    • Based
    • Type
    • Policy

Connections between topic areas Semantic bridges

For SELinux, one of the stronger structural bridges in this analysis connects SELinux with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
SELinuxOverview · splits 53 ⟂ 19
SELinuxHistory · splits 53 ⟂ 19
SELinuxAdoption · splits 56 ⟂ 16
SELinuxComparison with AppArmor · splits 65 ⟂ 7
SELinuxFeatures · splits 68 ⟂ 4
SELinuxSimilar systems and enhancements · splits 68 ⟂ 4

Map overview Semantic statistics

SELinux

Nodes72
Edges71
Triples114
Avg. degree1.97
Density0.027778
Components1

Source & methodology

TTTA analyzes the structure around SELinux to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Applications, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — SELinux · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.