Breachesby GlyphQuinStreet
Disclosed Dec 17, 20164,907,802 accountsUnverified
In approximately late 2015, the maker of "performance marketing products" QuinStreet had a number of their online assets compromised. The attack impacted 28 separate sites, predominantly technology forums such as flashkit.com , codeguru.com and webdeveloper.com ( view a full list of sites ). QuinStreet advised that impacted users have been notified and passwords reset. The data contained details on over 4.9 million people and included email addresses, dates of birth and salted MD5 hashes.
What is known
| People affected | 4,907,802 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | Dec 17, 2016 |
| Happened | Dec 14, 2015 |
| Attack | Not stated |
| Data exposed | Dates of birthEmailsIP addressesPasswords |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
Notices filed
History of this record
First recordedby backfillSource
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.