Computer with info on 4M patients stolen in Calif.

(AP) -- The personal information of about 35 million Internet users in South Korea was stolen in an alleged hacking attack that originated in China, officials said Thursday.

(AP) -- Sony is telling PlayStation users that it had encrypted the credit card data that hackers may have stolen, reducing the chances that thieves could have used the information. ...

(AP) -- University of California, Berkeley, officials said Friday that hackers infiltrated restricted computer databases, putting at risk health and other personal information on 160,000 students, alumni and others.

Sony on Tuesday said its websites in three countries had been hacked with 8,500 Greek user accounts compromised, in a blow to efforts to restore confidence after a huge data breach affecting millions.

Sony Corp. said Monday that hackers may have taken personal information from an additional 24.6 million user accounts after a review of the recent PlayStation Network breach found an intrusion at a division that makes multiplayer ...

(AP) -- WellPoint Inc. has notified 470,000 individual insurance customers that medical records, credit card numbers and other sensitive information may have been exposed in the latest security breach of the health insurer's ...

Internet mogul Kim Dotcom said Thursday he was considering taking legal action against tech giants such as Twitter, Google and Facebook for infringing copyright on a security measure he invented.

Twitter said Wednesday it was stepping up security measures for the popular messaging service following a series of high-profile breaches by hackers hitting media organizations and others.

Facebook on Wednesday became a full member of the Global Network Initiative, a non-governmental organization promoting Internet freedom and privacy rights.

A full 90% of all the data in the world has been generated over the last two years. The internet companies are awash with data that can be grouped and utilised. Is this a good thing?

Australian children are accessing social media websites at an increasingly younger age, a new survey suggests, with one in five "tweens" admitting they have chatted to someone online they do not know.

American teenagers are sharing more information about themselves on social media sites, but taking steps to protect their privacy online, a study showed Tuesday.