It was part of a long-running campaign of hostile activity Georgia, the UK's foreign office said,
A new Russian internet law came into effect on November 1 that hands Moscow the power to disconnect the country's internet to protect it from a cyber-attack or other incident.
Bulgarian police said on Wednesday they have arrested a suspect for a cyber attack on the country's National Revenue Agency (NRA), which led to the leak of personal and financial data of millions of people.
Marcus Hutchins was praised in May 2017 for putting an end to the global WannaCry cyber attack.
Facebook is partnering with German news agency DPA as part of a large-scale effort to fight fake news through fact-checking ahead of the European Parliament election in May
What do you do if you get a call from someone claiming they kidnapped your child?
What are the most likely risks we will face this year, and how significant will they be? Some of the world's most influential people have given their views.