The US argues that 5G will be so fast – and have so many military applications – that the risk of using any Chinese telecoms equipment is too high. Photograph: Chris Wattie/Reuters

The British government has concluded that it can mitigate the risk from using Huawei equipment in 5G networks, in a serious blow to US efforts to pers(...)

Taking a security bet on Huawei in 5G networks when its main competitors, Ericsson and Nokia, are European no longer feels sensible. Photograph: Getty Images

During the Maoist cultural revolution in China, a young soldier called Ren Zhengfei was sent to the northeastern city of Liaoyang to help build a clot(...)

A man walks past the headquarters of the European Commission in Brussels. The compromised material provides insight into Europe’s struggle to understand the political turmoil engulfing three continents. Photograph: Dan Kitwood/Getty Images

Hackers infiltrated the European Union’s diplomatic communications network for years, downloading thousands of cables that reveal concerns about an un(...)

Tom Lehrer, mathematician, singer, songwriter and satirist, was born in New York 90 years ago. He was active in public performance for about 25 years (...)

Satellite dishes at GCHQ’s outpost at Bude, Cornwall: intercepts are legitimate in pursuit of terrorists or criminals. Photograph: Kieran Doherty

Safeguards for UK citizens whose communications are being intercepted by the intelligence and police services are inadequate, a European court has rul(...)

Former CIA director John Brennan has fired back at US president Donald Trump.  File photograph: AP Photo/Pablo Martinez Monsivais

John Brennan has called Donald Trump’s repeated denials that his campaign colluded with Russia during the 2016 election “hogwash”, and accused the US (...)

New York Times publisher AG Sulzberger, who raised concerns with US president Donald Trump over his attacks on the media. Photograph: Damon Winter/New York Times via AP

US president Donald Trump and the publisher of the New York Times, AG Sulzberger, have engaged in a fierce public clash over Mr Trump’s threats agains(...)

White House press secretary Sarah Huckabee Sanders announced that the president is “exploring the mechanism” for revoking the security clearance of ex-intelligence chiefs, including former CIA director John Brennan, former director of national intelligence James Clapper and former FBI chief James Comey.  Photograph: Kevin Lamarque/Reuters

US president Donald Trump is considering stripping former intelligence officials of security clearances, accusing Obama-era officials of “politicising(...)

We are becoming ever more vulnerable, partly because daily life is becoming more dependent on computers, and partly because cyber-offence is far ahead of cyber-defence. Photograph: iStock/Getty

If you’re worried about terrorism, here’s a bigger threat to lose sleep over: an all-out cyberattack. Suddenly, the electricity goes out at the offic(...)

 Privacy activist Max Schrems at Trinity College with  Dr Nora Ní Loideain, director  in information law and policy at the Institute of Advanced Legal Studies at the University of London. Photograph: Nick Bradshaw

Ireland’s “insanely high” legal fees could threaten court actions against large online companies that can continue to appeal decisions, Austrian data (...)

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