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 M1: M1.01 to M1.06 Exposed edge: records of external systems, two-yearly testing, and separation from security critical functions

Keep accurate records of all externally facing systems; security-test them at least every two years and after significant change; keep sensitive data and security critical functions off exposed edge equipment; separate the exposed edge physically and logically from security critical functions with protective boundaries; and ensure edge equipment cannot affect routing in the core. Due: Tier 1 by 31 March 2024; Tier 2 by 31 March 2025.

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

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