OSS (Operations Support System)
The software systems and processes supporting network operations in telecommunications including network management, service provisioning, network inventory, fault management, configuration management, and performance monitoring. OSS systems interface with BSS (Business Support Systems) and network elements to enable service delivery and network operations.
Categories: Operations and Business
OSS in context
OSS/BSS platforms hold the highest-value subscriber and revenue data on the operator side, are heavily targeted for fraud and insider abuse, and are in scope for NIS2 and the UK Telecoms Security Act.
To place OSS in the wider telecom-security picture, review 3GPP, ARPU, Billing System, BSS, Charging System and Control Plane Security — 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.