Facebook Cambridge Analytica data harvesting
Add to my breach checkMade public · 87,000,000 people at most
What leaked8
Hard to replace
- Email address
- Other profile data
- Social media profile
Permanent
- Photos
- Private messages
- Date of birth
- Full name
- Gender
- Photosphotos the person was tagged in; app users and, where their settings allowed, their friends
- Private messagesFacebook messages; app users only, depending on their settings
- Date of birthapp users and, where their settings allowed, their friends
- Email addressapp users only, depending on their settings
- Full nameapp users and, where their settings allowed, their friends
- Genderapp users and, where their settings allowed, their friends
- Other profile datacurrent city, if set on the profile; app users and, where their settings allowed, their friends
- Social media profileFacebook profile and pages liked · app users and friends; timeline and news feed posts and friends lists · app users
To-dos2 · about 35 min in all
What happened next10 events
- Judge ordered Meta to pay New Mexico 25 billion USD; Meta said it expects to prevail on appeal
- A jury found Meta liable for over 43 million violations of New Mexico consumer protection law over misleading statements about users' data
- Facebook withdrew its appeal against the ICO fine under a settlement and paid it in full
- Facebook agreed to a 5 billion USD penalty and new privacy restrictions to settle FTC charges that it violated a 2012 order
- ICO fined Facebook 500,000 GBP, the maximum under the Data Protection Act 1998
5 more
- Link at the top of News Feed showing each person's apps and whether their data may have gone to Cambridge Analytica
- Put the number of affected people at up to 87 million, mostly in the U.S.
- Suspended Cambridge Analytica and its parent SCL from Facebook after reports that the data had not been deleted
- Misuse of the data harvested by the app was discovered · ICO
- Intrusion began
- Company
- When it happened
- Company detected it
- Made public
- Notice
- Leak confirmed
- Affected
- 87,000,000 people at most · Facebook's estimate, mostly in the U.S.; at least 1 million in the UK · ICO
Sources
- Facebook company notice, (opens in a new tab)checked October 23, 2026
- Facebook company notice, (opens in a new tab)checked October 23, 2026
- Federal Trade Commission regulator, No. 1 (opens in a new tab)checked October 23, 2026
- Federal Trade Commission regulator, No. 2 (opens in a new tab)checked October 23, 2026
- UK Information Commissioner's Office regulator (opens in a new tab)checked October 23, 2026
- UK Information Commissioner's Office regulator, notice letter (opens in a new tab)checked October 23, 2026
- SecurityWeek press (opens in a new tab)checked October 23, 2026