Epsilon
Disclosed Apr 1, 201115 years agoUnverified
Email marketing firm breach exposes customer names and emails of many brands
Epsilon, which sent marketing email for about 2,500 companies, said an unauthorized entry into its email system exposed customer names and email addresses; clients including JPMorgan, Citigroup, Best Buy and Capital One warned customers.
What is known
| People affected | Not stated in the sources we have |
|---|---|
| Disclosed | Apr 1, 2011 |
| Attack | Hacking |
| Data exposed | Names, Emails |
| Sector | Tech · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
| Source | |
|---|---|
| Epsilon email hack: millions of customers' details stolentheguardian.com · News | News |
Notices filed
| Where | Filed | People |
|---|---|---|
| Researchtotal | Apr 1, 2011 |
History of this record
- 2026-09-25 · added · seed source
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.