The Russian-linked REvil ransomware group is alleged to have carried out an attack that affected hundreds of companies worldwide. Joe Biden says the US will respond if the Kremlin is involved.

White House Press Secretary Jen Psaki says the United States holds China's Ministry of State Security responsible for "malicious cyber activities" and reserves the option "to take additional actions" in response.

As the SPD pulls ahead in the polls, leader Olaf Scholz was keen to flex his foreign policy muscles. He stressed the need for strong partnership with France to tackle the coronavirus pandemic and the climate crisis.

Hackers have stolen the personal data of around 1.4 million people who took Covid-19 tests in the Paris region in mid-2020. It's the latest in a growing number of cyber attacks on French health institutions. So how secure is our data? We take a closer look.

The Russian-based hacking group behind the so-called SolarWinds cyberattacks has targeted more US-based computer systems. US tech giant Microsoft said it had documented a flurry of activity over the summer.

Investigators from four European countries have made arrests in raids targeting groups behind ransomware attacks, Europol says. The suspects are accused of carrying out some 7,000 cyberattacks.

Hackers breached a Federal Bureau of Investigation email system and sent thousands of fake messages, according to the US law enforcement agency. The FBI said it has shut down the server.

FBI agents managed to foil a number of plots to influence the election results, which involved hacking a media company and abusing social media. The hackers allegedly took details from 100,000 voters.

In the run-up to, and after it was invaded, Ukraine has faced a large-scale assault not just by land, sea and air, but by cyberspace as well.

Websites belonging to Italy's Defense Ministry and Senate are among several hit by a hacking group, which also claimed responsibility for a recent cyberattack on German government websites.

Hackers breached the system used Germany's ruling Green Party and gained access to accounts previously used by Foreign Minister Annalena Baerbock and Economy Minister Robert Habeck, party officials said.

As international sanctions increasingly isolate North Korea from global sources of finance, Pyongyang's army of hackers is ramping up attacks on vulnerable cryptocurrency accounts around the world.