Have I Been Zuckered
Operator: Operator not identified
Interface for checking telephone numbers against the known Facebook data breach. The provider reports coverage of 106 countries.
Leaks, Breaches & Infostealers
Product
Have I Been Zuckered
Availability and source date
Active
As of: 16 October 2026.
No functionality test has been performed.
Use in OSINT research
Checks telephone numbers against the processed Facebook dataset.
Queries
| Input | Result | Result type |
|---|---|---|
| Phone number | Indicates whether the telephone number appears in the described Facebook dataset. | Retrieved |
Features
- According to the provider, checks whether a telephone number appears in the processed Facebook dataset.
- Allows selection of an international dialling code.
- According to the provider, uses k-anonymity and does not store the number entered.
Categories
- Leaks, Breaches & Infostealers
- Breach search
Coverage
Geographical coverage
106 countries according to the provider; country coverage is not broken down
Dataset
Facebook dataset from a vulnerability that the website says was closed in August 2019. Provider figures: 502,769,112 processed records from 106 countries.
Access
Requirements
Telephone number form with country dialling code visible without signing in.
Export
Unknown
Provider
Unknown
Country of establishment
Unknown
Interfaces
No API, MCP or AI integration is documented.
Limitations
- The checker covers a single historical Facebook dataset.
Guides and practical reports
Unknown