Instant Checkmate
Disclosed Feb 4, 20233 years ago11,943,887 accountsUnverified
In 2019, the public records search service Instant Checkmate suffered a data breach that later came to light in early 2023 . The data included almost 12M unique customer email addresses, names, phone numbers and passwords stored as scrypt hashes.
What is known
| People affected | 11,943,887 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Feb 4, 2023 |
| Happened | Apr 12, 2019 |
| Attack | Not stated |
| Data exposed | Emails, Names, Passwords, Phone numbers |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
| Source | |
|---|---|
| Have I Been Pwned: Instant Checkmatehaveibeenpwned.com · Aggregator | Aggregator |
Notices filed
| Where | Filed | People |
|---|---|---|
| Have I Been Pwnedaccounts in the data | Feb 4, 2023 | 11,943,887 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.