Zoosk
Disclosed Jun 3, 20206 years ago24,500,000 affectedConfirmed
In January 2020, the online dating service Zoosk suffered a data breach which was subsequently shared extensively across online hacking communities. The breach contained 24 million unique email addresses alongside extensive personal information including genders, sexualities, dates of birth, physical attributes such as height and weight, religions, ethnicities and political views. The breach also allegedly exposed MD5 password hashes, although the data circulating in hacking circles had this field nulled out. The breach was provided to HIBP by breachbase.pw .
What is known
| People affected | 24,500,000 (as reported by the organization) |
|---|---|
| Disclosed | Jun 3, 2020 |
| Discovered | May 11, 2020 |
| Happened | Jan 12, 2020 |
| Attack | Hacking |
| Data exposed | Names, Credentials and tokens, Dates of birth, Education records, Emails, Location, Financial |
| Sector | Tech · US |
| Status | Confirmed |
| Check your email | Have I Been Pwned |
Sources
| Source | |
|---|---|
| California Attorney General breach notice: Zooskoag.ca.gov · Official notice | Official notice |
| Washington Attorney General breach notice: Zooskatg.wa.gov · Official notice | Official notice |
| Notice letter filed with the Delaware DOJ: Zooskattorneygeneral.delaware.gov · Official notice | Official notice |
| Oregon DOJ breach notice: Zooskjustice.oregon.gov · Official notice | Official notice |
| Have I Been Pwned: Zoosk (2020)haveibeenpwned.com · Aggregator | Aggregator |
| Maine Attorney General breach notice archive: Zooskmaine.gov · Official notice | Official notice |
Notices filed
| Where | Filed | People |
|---|---|---|
| Delaware DOJresidents of DE | Jun 3, 2020 | 16,120 |
| Maine AGresidents of ME | Jun 3, 2020 | 33,351 |
| Washington AGresidents of WA | Jun 10, 2020 | 115,158 |
| California AGresidents of CA | Jun 11, 2020 | |
| Oregon DOJresidents of OR | Jun 11, 2020 | 24,200,000 |
| Have I Been Pwnedaccounts in the data | Aug 7, 2020 | 23,927,853 |
History of this record
- 2026-09-25 · source: empty to https://www.maine.gov/ag/sites/maine.gov.ag/files/docs/Data%20breach%20spreadsheet%2012-6-2018%20through%209-14-2020%20REDACTED.xlsx · backfill source
- 2026-09-25 · hibp: empty to Zoosk2020 · backfill source
- 2026-09-25 · sector: other to tech · backfill source
- 2026-09-25 · data_types: ["names","credentials"] to ["names","credentials","dob","education","emails","location","financial"] · backfill source
- 2026-09-25 · summary: empty to In January 2020, the online dating service Zoosk suffered a data breach which was subsequently shared extensively across online hacking communities. The breach contained 24 million unique email addresses alongside extensive personal informa · backfill source
- 2026-09-25 · data_types: [] to ["names","credentials"] · backfill source
- 2026-09-25 · records_basis: empty to organization · backfill source
- 2026-09-25 · records: empty to 24500000 · backfill source
- 2026-09-25 · disclosed: 2020-06-10 to 2020-06-03 · backfill source
- 2026-09-25 · attack: unknown to hacking · backfill source
- 2026-09-25 · disclosed: 2020-06-11 to 2020-06-10 · backfill source
- 2026-09-25 · discovered: empty to 2020-05-11 · backfill source
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (California AG), confirmed by California AG. Record counts are as reported. Not legal advice.