unverified2019-01-07
Collection #1Collection #1 breach
772,904,991 records compromised
Records
773M
Breach date
2019-01-07
Data classes
2
Description
In January 2019, a large collection of credential stuffing lists (combinations of email addresses and passwords used to hijack accounts on other services) was discovered being distributed on a popular hacking forum. The data contained almost 2.7 billion records including 773 million unique email addresses alongside passwords those addresses had used on other breached services. Full details on the incident and how to search the breached passwords are provided in the blog post The 773 Million Record "Collection #1" Data Breach .
Compromised data classes· 2
Email addressesPasswords
Related by meaning· 6
Nearest entities by semantic similarity across the cs-graph corpus.