UK Telecommunications (Security) Act 2021
Telecommunications Security Code of Practice v1.1 (July 2026): measure groups and their Tier 1 and Tier 2 dates – UK Telecommunications (Security) Act 2021

UK Telecommunications (Security) Act 2021 M12: M12.01 to M12.05 Signalling monitoring: monitor and analyse signalling, protect signalling records, alert others and fuzz interfaces

Monitor incoming and outgoing signalling; protect signalling records as sensitive data; analyse signalling traffic to find and address anomalous and malicious signalling; establish means to alert other providers of signalling-based compromise; and perform negative testing and fuzzing of all signalling interfaces to show live configuration stops signalling from disrupting security critical functions. Due: Tier 1 and Tier 2 by 31 March 2027.

Maintained by Gerard BlokdykVerified against the published standard Control text last updated

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