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.
Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.
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 148,765,438 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.