The Guardian view on data protection: informed consent needed
Editorial: When privacy becomes a commodity to be traded, the integrity of democratic politics is at risk
How to protect your Facebook privacy – or delete yourself completely
If you found the Cambridge Analytica data breach revelations deeply unsettling, read our guide to the maze of your privacy settings
The Facebook breach makes it clear: data must be regulated
Companies use our personal information to enrich themselves. Regulation of this practice is long overdue say Roger McNamee, an early Facebook investor, and Sandy Parakilis, who worked at the company in 2011-12
‘We’ve been too slow to regulate Facebook’: your best comments today
A look at some of the most interesting discussion today, including around Cambridge Analytica and Facebook revelations
‘It might work too well’: the dark art of political advertising online
Digital campaigns have evolved from banner ads 20 years ago to Cambridge Analytica harvesting our Facebook data. Has the rise of micro-targeting become a threat to democracy?
Facebook and Cambridge Analytica face mounting pressure over data scandal
Growing calls in US and UK for investigations to explain data breach affecting tens of millions
Facebook employs psychologist whose firm sold data to Cambridge Analytica
Joseph Chancellor’s GSR sold on illicitly collected data in data harvesting scheme called ‘scam’ and ‘fraud’ by Facebook
The Guardian view on free speech online: let law decide the limits
Editorial: The standards by which the internet is controlled need to be open and subject to impartial judiciaries – not left to advertisers
Breach leaves Facebook users wondering: how safe is my data?
Claims that Cambridge Analytica used data to target voters in US election raises tough questions
No one can pretend Facebook is just harmless fun any more
From its stance on extremist content, to its vast caches of user data, Facebook is a corporation whose power must, finally, be reined in, says freelance journalist Ellie Mae O’Hagan
Data scandal is huge blow for Facebook – and efforts to study its impact on society
Tech firm will be even more reluctant to share with legitimate researchers who want to learn more about how it affects our lives
Democrats call on Cambridge Analytica head to testify again before Congress
Adam Schiff says Trump campaign may have used ‘illegitimately acquired data’ to help sway election
‘I made Steve Bannon’s psychological warfare tool’: meet the data war whistleblower
Christopher Wylie goes on the record to discuss his role in hijacking the profiles of millions of Facebook users in order to target the US electorate
Revealed: 50 million Facebook profiles harvested for Cambridge Analytica in major data breach
Whistleblower describes how firm linked to former Trump adviser Steve Bannon compiled user data to target American voters
Cambridge Analytica: links to Moscow oil firm and St Petersburg university
Data company gave briefing to Moscow firm Lukoil, and the lecturer who developed the crucial algorithm worked for St Petersburg university