Patch Management

In telecom networks, Patch Management is the disciplined process of acquiring, testing, and deploying vendor security updates across radio, core, transport, and OSS/BSS systems. Telecom patch management is constrained by carrier-grade availability targets, vendor certification cycles, and interdependencies between network functions, which often makes virtual patching at the signaling firewall a complementary control.

Categories: Radio Access NetworkCore NetworkSignaling

Patch Management in context

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

The mobile core carries subscriber sessions, mobility and policy. In 4G it is the EPC (MME, HSS, S/PGW); in 5G it is the Service-Based Architecture with AMF, SMF, UPF, AUSF, UDM and the NRF.

To place Patch Management in the wider telecom-security picture, review 5G SA, AMF, Base Station (BS), Capacity Planning, CAPEX and CSCF — each entry cross-references back to this page so you can walk the topic in either direction.

Related terms

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.