Breachesby GlyphCardSystems Solutions
Disclosed Jun 17, 200540,000,000 affectedSettled
Card processor intrusion exposes up to 40 million payment cards
MasterCard revealed that an intruder had infiltrated the network of payment processor CardSystems Solutions and may have stolen up to 40 million card numbers of all brands. The FTC later charged that the processor kept card data it had no reason to keep and stored it insecurely.
What is known
| People affected | 40,000,000 (as reported by the organization) |
|---|---|
| Disclosed | Jun 17, 2005 |
| Attack | Hacking |
| Data exposed | Payment cardsNames |
| Sector | Finance · US |
| Status | Settled |
| Lawsuit or fine | FTC consent order requiring a security program and 20 years of audits (2006) |
Sources
Notices filed
History of this record
First recordedby seedSource
First seen 2026-09-25 (Research), confirmed by Research. Record counts are as reported. Not legal advice.