Internet search engines and social media platforms are an increasingly popular way of accessing news and information. In 2017, the proportion of UK adults consuming news online exceeded those who watched news on TV (74% versus 69%). This note considers how people access news online, how algorithms (sequences of instructions) and social networks influence the content that users see, and options for mitigating any negative impact.

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.