LTE-Advanced (LTE-A)

LTE-Advanced (LTE-A) in context

The radio access network is the layer where mobile devices attach to the operator's infrastructure. Attacks in this layer include IMSI catching, rogue base stations, downgrade attacks and jamming, and defenses hinge on mutual authentication, integrity-protected signaling and Open RAN supply-chain hygiene.

Telecom security is written into standards from 3GPP, GSMA, ETSI, IETF and ITU-T. Understanding which body owns which specification, and how the specs interlock (for example 3GPP TS 33.501 with GSMA FS.34 for 5G SBA security), is essential for both design and audit work.

To place LTE-Advanced (LTE-A) in the wider telecom-security picture, review PoE, Carrier Aggregation, TCP/IP, Segment Routing, 3GPP and Handoff (Handover).

Related terms

• PoE
• Carrier Aggregation
• TCP/IP
• Segment Routing
• 3GPP
• Handoff (Handover)
• Last Mile
• LEO

Related topic hubs

• LTE Security Training Training on 4G/LTE core, Diameter, NAS and RRC security.
• Diameter Security 4G/LTE Diameter threats across IPX/roaming and DEA defenses.
• Diameter Attacks S6a IDR/PUR/CLR abuse, subscriber tracking, LTE signaling attacks.
• Tracking Area Update LTE TAU procedure and its signaling risks.

More from the TelcoSec Glossary

Browse the full TelcoSec Glossary, the Ultimate Guide to Mobile Network Security, or the P1 Arsenal of telecom-security tools.