Tuesday briefing: Why the US and UK are going public with warnings about Chinese hacking

In today’s newsletter: Information about 40 million UK voters was stolen by Chinese spies in a hack that also targeted elected officials. A cybersecurity experts walks us through whether these are isolated incidents, or the tip of a digital iceberg• Sign up here for our daily newsletter, First EditionGood morning. You’re probably not an MP or peer on the Inter-parliamentary Alliance on China (Ipac), so that part of yesterday’s cyber-attack revelations needn’t concern