Companies across the globe are reporting that they have been struck by a major ransomware cyber-attack.
British advertising agency WPP is among those to say its IT systems have been disrupted as a consequence.
The virus, the source of which is not yet known, freezes the user's computer until a ransom in untraceable Bitcoin is paid.
Ukrainian firms, including the state power company and...
British security officials believe that hackers in North Korea were behind the cyber-attack that crippled parts of the NHS and other organisations around the world last month, the BBC has learned.
Britain's National Cyber Security Centre (NCSC) led the international investigation.
Security sources have told the BBC that the NCSC believes that a hacking group known as Lazarus launched the...
He inadvertently halted the global spread of the international ransomware attack and will donate thousands of pounds of his reward money to charity, but Marcus Hutchins, the security expert labelled the “accidental hero”, has said his “five minutes of fame” have been “horrible”.
Hutchins, 22, was propelled into the media spotlight when he activated a “kill switch” in the...
How Facebook censors what its users see has been revealed by internal documents, the Guardian newspaper says.
It said the manuals revealed the criteria used to judge if posts were too violent, sexual, racist, hateful or supported terrorism.
The Guardian said Facebook's moderators were "overwhelmed" and had only seconds to decide if posts should stay.
The leak comes soon after British MPs...
Facebook has been fined 110m euros by the EU for providing "incorrect or misleading" information during its purchase of messaging service WhatsApp in 2014.
The European Commission said Facebook had said it could not automatically match user accounts on its own platform and WhatsApp.
But two years later it launched a service that did just that.
Facebook said the errors it had made were not...
Who was behind the huge global cyber-attack? One prominent theory right now is North Korea - but what we know is far from conclusive.
You may not have heard of the Lazarus Group, but you may be aware of its work. The devastating hack on Sony Pictures in 2014, and another on a Bangladeshi bank in 2016, have both been attributed to the highly sophisticated group.
It is widely believed that the...
A cyber-attack that has hit 150 countries since Friday should be treated by governments around the world as a "wake-up call", Microsoft says.
The computing giant said software vulnerabilities hoarded by governments had caused "widespread damage".
The latest virus exploits a flaw in a version of Microsoft Windows first identified by US intelligence.
There have been warnings of further...
A cyber-attack that hit organisations worldwide including the UK's National Health Service was "unprecedented", Europe's police agency says.
Europol also warned a "complex international investigation" was required "to identify the culprits".
Ransomware encrypted data on at least 75,000 computers in 99 countries on Friday. Payments were demanded for access to be restored.
Google says it has stopped a phishing email that reached about a million of its customers.
The scam claimed to come from Google Docs - a service that allows people to share and edit documents online.
Users who clicked a link and followed instructions, risked sending the email on to everyone in their address box.
Google said it had stopped the attack "within approximately one hour",...
Twitter is working with media firm Bloomberg to create a 24-hour rolling news channel for the messaging service.
The live video stream will be made up of original programming as well as feeds from Bloomberg bureaus.
The deal builds on the live-streaming deals Twitter has done with others that spreads content via the social network.
The deal could also help Twitter compete more with giants...