Facebook data breach
The Facebook breach happened on August 1, 2019 and exposed 509,458,528 accounts. 8 kinds of data were exposed.
Overview
- Site
- facebook.com
- Breach date
- August 1, 2019
- Recorded on
- April 4, 2021
- Accounts exposed
- 509,458,528
- Exposed data
- Dates of birth, Email addresses, Employers, Genders, Geographic locations, Names, Phone numbers, Relationship statuses
- Risk score
- 48 out of 100
Risk based on the exposed data
This breach scores 48 out of 100. The score is driven mostly by Phone numbers, Dates of birth, Email addresses.
The risk score is a guide to how dangerous a breach is, judged by the kinds of data exposed. The number of accounts is not included.
Breaches from the same period
- LimeLeads (2019-08-01, 17,838,396 accounts)
- Promofarma (2019-08-03, 1,277,761 accounts)
- Club Penguin Rewritten (July 2019) (2019-07-27, 4,007,909 accounts)
What affected users should do
- Passwords were not exposed, but you may receive fake emails aimed at the exposed email addresses.
- Turn on two-factor authentication for your login.
- Phone numbers were exposed, so watch out for impersonation by text message or phone call.
This site organizes publicly available information about data breaches. Data as of September 22, 2026. Breach dates are as originally listed; when only the month is known, the date is recorded as the 1st.