The Telecommunications Security Act (TSA), effective since October 2022, requires UK telecom providers to strengthen network security, resilience, and operations beyond basic compliance. Under Ofcom oversight and strict technical standards, providers must adopt zero-trust principles, remove high-risk vendor equipment, and modernize legacy infrastructure. With 69 million UK residents relying on telecom services, meeting TSA requirements is critical to ensure secure, reliable connectivity while protecting against evolving cyber threats and maintaining trust in national communications infrastructure.

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