Breachesby GlyphCiti
Disclosed Jun 3, 2011360,083 affectedUnverified
Hackers view data on 360,083 Citi credit card accounts via website flaw
Citigroup said hackers compromised its card account management website in May 2011 and viewed names, account numbers and contact details for 360,083 North American credit card accounts. Citi began mailing notification letters on June 3, 2011.
What is known
| People affected | 360,083 (as reported by the organization) |
|---|---|
| Disclosed | Jun 3, 2011 |
| Discovered | May 2011 |
| Attack | Hacking |
| Data exposed | NamesFinancialEmails |
| Sector | Finance · US |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
Sources
Notices filed
Other breaches at Citi
Breach, details not statedBreach notice filed with the California AG, details not stated.TechUSMar 28, 2013UPS loses CitiFinancial backup tapes with 3.9 million customers' dataLost or stolen device exposed names, Social Security numbers and financial details.Lost or stolen device3.9M affectedFinanceUSUnverifiedJun 6, 2005
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research). Record counts are as reported. Not legal advice.