Release ledger
Canonical Atlas record
TS 21.133
3G security; Security threats and requirements
Responsible WGS3
StatusUnder change control
Initial releaseRel-4
Selected releaseRel-19
Latest indexed version4.1.0
Series21
TypeTS
Release evolution
Compare evidence between releases
Use indexed version, Work Item and Change Request evidence to see what changed around this specification. This is an evidence trail, not a clause-by-clause normative diff.
Rel-19 snapshot
Work affecting this release
0 indexed Change Requests · 0 connected Work Items.
Showing 0 CR records from the available cross-release sample. Browse release CR records (JSON) →
Version history
Indexed versions
Showing 8 of 8 indexed versions.
4.1.0Rel-4SA-#142002-01-07
3.2.0Release 1999SA-#142002-01-07
4.0.0Rel-4SA-#112001-04-09
3.1.0Release 1999SA-#61999-12-17
3.0.0Release 1999SA-#31999-04-23
2.0.0Release 1999-1998-12-20
1.0.0Release 1999-1998-10-20
0.0.1Release 1999-1998-08-20
Atlas classifications
Meaning and provenance
No Atlas classifications have been attached yet.
Work Items
Standards work connected to TS 21.133
Effective Acronym:
Rel-4historical linkStage 3 for MExE Security
Historical association · verification pendingSEC4
Rel-4parsedRel-4 Security enhancements
WI 32704
Rel-6historical linkSecurity aspects of WLAN-UMTS Interworking
Historical association · verification pendingSEC16
Rel-6historical linkRel-6 Security enhancements
Historical association · verification pendingSecurity
R99historical linkSecurity for UMTS and GSM Features
Historical association · verification pendingKnowledge graph
Related standards
No graph edges indexed yet. The graph API is available at this JSON endpoint.