Edward Snowden, the National Security Agency contractor living in Russia after leaking information about the US government's mass surveillance program, has said he would like to return home if he can get a fair trial.

Whistleblower Edward Snowden, living in Russia since leaking a trove of classified documents showing the scope of post-9/11 US government surveillance, wants to claim asylum in France.

The US Treasury on Friday placed sanctions on three North Korea government-sponsored hacking operations which it said were behind the theft of possibly hundreds of millions of dollars and destructive cyber-attacks on infrastructure.

Poland will launch a cyberspace defense force by 2024 made up of around 2,000 soldiers qualified in cybersecurity.

Nigerian and US authorities said Tuesday that nearly 300 people had been arrested in a months-long global crackdown on online scams to hijack wire transfers from companies and individuals.

Apple hit back at a Google research report suggesting iPhones may have been targeted by a long-running hacking operation, calling it inaccurate and misleading.

Facebook said technology firms and US officials met at its Silicon Valley headquarters on Wednesday to collaborate on protecting next year's presidential election from cyber threats.

Even with considerable security precautions in place, Twitter chief executive Jack Dorsey became the victim of an embarrassing compromise when attackers took control of his account on the platform by hijacking his phone number.

A Chinese face-swapping app that allows users to convincingly superimpose their own likeness over characters in movies or TV shows has rapidly become one of the country's most downloaded apps, but has triggered a backlash over privacy fears.

The United States staged a secret cyberattack in June 2019 against a database used by Iran's Islamic Revolutionary Guard Corps to plot attacks on oil tankers in the Gulf, The New York Times reported.

Amazon, Microsoft and Intel are among leading tech companies that could spearhead a global AI arms race, according to a report that surveyed major players from the sector about their stance on lethal autonomous weapons.