Facebook Marketplace data breach: 77K accounts exposed
Severity: high · Patch status: no-fix-needed · Since 2024-02-22
In February 2024, 200k Facebook Marketplace records allegedly obtained from a Meta contractor in October 2023 were posted to a popular hacking forum. The data contained 77k unique email addresses alongside names, phone numbers, Facebook profile IDs and geographic locations. The data also contained bcrypt password hashes, although there is no indication these belong to the corresponding Facebook accounts. Exposed data: email addresses, geographic locations, names, passwords, phone numbers, social media profiles. The breach dates from Oct 1, 2023; Have I Been Pwned loaded it on Feb 22, 2024.
What to do
- If you had a Facebook Marketplace account, change its password and the password of any other account that reused it.
- Turn on multi-factor authentication wherever it is offered.
- Check whether your addresses are in this breach at https://haveibeenpwned.com.
- Expect targeted phishing that quotes the leaked details; verify any unexpected contact out of band.
Sources
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