The Government has identified ‘cyber’ as one of six Tier 1 threats to UK national security. This POSTnote focuses on the cyber security of the UK’s critical national infrastructure, describing measures to improve cyber security and challenges in implementing them. It also reviews the new National Cyber Security Strategy, along with international policy and legislation.

Quantum Technologies use the behaviour of matter and light that is normally only observed at very small scales. This POSTnote introduces recent advances, applications, and UK initiatives to support their development and commercialisation. It also reviews policy concerns such as privacy, access to new technologies and secure communications.

This briefing gives an overview of the UK’s telephone and broadband infrastructure. It covers fixed (static) broadband infrastructure (rather than wireless technologies). It includes an introduction to poles and ducts, and how they can be accessed by other Internet service providers who are wanting to build their own telecommunications infrastructure.