Facebook says hackers who stole digital keys to tens of millions of accounts appear not to have tampered with third-party applications linked to the social network.

For users, Facebook’s revelation of a data breach that gave attackers access to 50 million accounts raises an important question: What happens next?

The number of posts on Facebook showing graphic violence rose in the first three months of the year from a quarter earlier, possibly driven by the war in Syria, the social network says in its first public release of such data.

The European Union (EU) introduces tough new data protection rules next month to give people more control over the way their personal information is used online, as Facebook is grilled over the Cambridge Analytica scandal.

The European Commission calls on Facebook to "cooperate fully" with investigators into the scandal over the harvesting of personal data of millions of users which were then shared with the British political consultancy, Cambridge Analytica.

Facebook Inc Chief Executive Mark Zuckerberg fields 10 hours of questions over two days from nearly 100 US lawmakers and emerges largely unscathed and considerably richer.

Facebook says the personal data of up to 87 million users was improperly shared with British political consultancy Cambridge Analytica, as Mark Zuckerberg defends his leadership at the huge social network.

Facebook’s decision to stop working with third-party data collectors might earn it public-relations points, but it does little to protect your privacy. The social network still has more than enough data on your interests and hobbies to target ads with precision.

The US Federal Trade Commission says it is conducting an open investigation of Facebook Inc's privacy practices following the disclosure that 50 million users' data got into the hands of political consultancy Cambridge Analytica.