DRP (Disaster Recovery Plan)

A Disaster Recovery Plan documents the technical and organisational procedures for restoring services after major disruption, natural disaster, large-scale outage, ransomware. For a telecom operator, the DRP covers core network elements, OSS/BSS, customer-facing services, and the dependencies between them, and is exercised regularly through tabletop and live drills.

Categories: Radio Access NetworkCore NetworkOperations and Business

DRP 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 DRP in the wider telecom-security picture, review Operating System (OS), QoS, 5G, 5G SA, 5G NSA and A5/3 — 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.