Every public data breach

44 disclosed this week · 26,355 on record

Instant Checkmate

Disclosed Feb 4, 202311,943,887 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 affected11,943,887 (accounts in the leaked data, per Have I Been Pwned)
DisclosedFeb 4, 2023
HappenedApr 12, 2019
AttackNot stated
Data exposedEmailsNamesPasswordsPhone numbers
SectorTech
StatusUnverified: not yet confirmed by an official notice, a filing or the organization
Check your emailHave I Been Pwned

Sources

Notices filed

History of this record
Added2026-09-25
First recordedby backfillSource

First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.

Everything about Instant Checkmate