5GS Authentication and Security
available from Rel-15 · not in Rel-45GS authentication, key/security context architecture and the AUSF service realization.
AuthenticationNAS securityAS securityAUSFSBI
Topic explorer
connectingReviewed semantic catalogue · 2026-09-30. Records with reviewed release bounds are evaluated against Rel-4; unbounded records remain curated orientation metadata rather than guessed release claims. Coverage ↗
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Topic stack
5GS Authentication and Security
Authentication
NAS security
AS security
AUSF
SBI
Trust model
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✓ official◇ parsed● curated◌ inferred
Official = 3GPP metadata. Parsed = deterministic extraction. Curated = reviewed Atlas classification. Inferred = machine suggestion requiring review.
Reviewed semantic coverage ↗