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Breach occurred 2019-08-01Verifiedfacebook.com
What happened
In April 2021, a large data set of over 500 million Facebook users was made freely available for download. Encompassing approximately 20% of Facebook's subscribers, the data was allegedly obtained by exploiting a vulnerability Facebook advises they rectified in August 2019. The primary value of the data is the association of phone numbers to identities; whilst each record included phone, only 2.5 million contained an email address. Most records contained names and genders with many also including dates of birth, location, relationship status and employer.
Data exposed
Frequently asked questions
The Facebook data breach occurred on August 1, 2019. It was added to Have I Been Pwned's breach catalog on April 4, 2021.
509,458,528 accounts were affected by the Facebook data breach, according to Have I Been Pwned's records.
The Facebook breach exposed the following data types: Dates of birth, Email addresses, Employers, Genders, Geographic locations, Names, Phone numbers, Relationship statuses.
Yes. Have I Been Pwned has verified the Facebook breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Facebook breach, or any other known breach — the tool never stores what you search.
Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.
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