Yahoo said Wednesday personal data from over a billion users was stolen in a hack dating back to 2013—twice as big as another breach disclosed just three months ago.
Yahoo's claim that it is the victim of a gigantic state-sponsored hack raises the question of whether it is the latest target for hackers with the backing of Russia, China or even North Korea, experts say.
Yahoo faced pressure Friday to explain how it sustained a massive cyber-attack—one of the biggest ever, and allegedly state-sponsored—allowing hackers to steal data from half a billion users two years ago.
The Yahoo hack exposed personal details from at least 500 million user accounts, potentially the largest breach of an email provider in history. Despite the size of the break-in, attackers don't appear to have accessed obviously ...
Cloud-based data storage company Dropbox said Thursday that user IDs and passwords of some 68 million clients were stolen four years ago and recently leaked onto the internet.
A computer expert was sentenced Thursday to two years' probation for helping send millions of spam messages that allowed computer marketers to illegally harvest email addresses and phone numbers.
Time Warner Cable says the email addresses and passwords of about 320,000 of its customers nationwide may have been stolen by hackers.
The Japanese creator of Hello Kitty said Tuesday an investigation had been launched into a reported flaw in its official fan website that allegedly exposed private information on 3.3 million accounts.
Twitter has warned some of its users that their accounts on the messaging platform may be the target of "state-sponsored hackers."
Last year's data breach at JPMorgan Chase affected more than 76 million households and seven million small businesses. The bank said hackers may have stolen names, addresses, phone numbers and email addresses, although no ...