What was exposed, when it happened, and which databases confirm it.
- accounts
- 148,765,438
- Breached
- July 11, 2012
- Last Update
- December 4, 2013
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
What happened
In July 2012, Yahoo! had their online publishing service "Voices" compromised via a SQL injection attack. The breach resulted in the disclosure of nearly half a million usernames and passwords stored in plain text. The breach showed that of the compromised accounts, a staggering 59% of people who also had accounts in the Sony breach reused their passwords across both services.
Compromised Info
- Email addresses
- Passwords
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- HIBP
FAQ
What was leaked in the Yahoo breach?
The Yahoo breach exposed: Email addresses and Passwords.
When did the Yahoo breach happen?
The Yahoo breach was disclosed on July 11, 2012 and affected 453,427 records.
Am I affected by the Yahoo breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Yahoo leak.