DISCOVER FINANCIAL SERVICES
ent_019e22ab41a36800c2567c95e82e4709
Disclosures
25+
State AG · 6 jurisdictions
Multi-filing incidents
4
incidents joining 2+ filings here
Max affected reported
1,439
nationwide · State AG ME
Leak-site claims
0
none in sample
Identity resolution
- Canonical name
- DISCOVER FINANCIAL SERVICES
- Normalized
- discover financial— dedupe via name-norm; Microsoft / MSFT collapse to one row
- GLEIF LEI
- Z1YLO2USPORE63VVUL20
- SEC EDGAR CIK
- None — not an SEC registrant
- Domain
- None on record
Disclosure history (newest 25)newest first
- Massachusetts State AGas victim2025-07-23
Discover reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-07-23. 2 Massachusetts residents were affected.
- Illinois State AGas victim2024-05-01
DISCOVER FINANCIAL SERVICES filed a data-breach notice with the Illinois Attorney General in May 2024 (case 24-05-073). The register records the breach as discovered on February 9, 2024. Illinois does not publish the number of people affected — 815 ILCS 530/10 permits the Attorney General to publish only the entity name, the types of personal information and the date range.
- New Hampshire State AGas victim2024-03-19
Discover Financial Services notified the NH Attorney General of a security incident on March 19, 2024. On Dec 12, 2023, the company learned a relative of an employee (non-employee) potentially accessed personal information stored in the employee's work area. One NH resident was affected. No misuse indicated. Company provided notification and 2 years of Experian IdentityWorks monitoring.
- Massachusetts State AGas victim2023-08-07
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2023-08-07. 1 Massachusetts residents were affected. The report records the breach type as paper.
- Massachusetts State AGas victim2022-09-07
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-09-07. 2 Massachusetts residents were affected. The report records the breach type as paper.
- Massachusetts State AGas victim2022-08-11
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2022-08-11. 1 Massachusetts residents were affected. The report records the breach type as paper.
- Montana State AGas victim2020-12-17
Discover Financial Services notified Montana residents of a data breach caused by an internal error in its credit card mailing system. Between September 29 and November 15, 2020, physical cards were errantly mailed to incorrect customers. Affected data included names, account numbers, expiration dates, and security codes. Discover reissued cards, monitored accounts, and offered two years of Experian IdentityWorks.
- Massachusetts State AGas victim2020-12-17
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-17. 15 Massachusetts residents were affected. The report records the breach type as paper.
- Maine State AGas victim2020-12-17
Discover Financial Services reported an inadvertent disclosure of customer data on September 29, 2020, discovered on November 17, 2020. The breach affected 690 individuals, including 2 Maine residents. Compromised data included names and financial account numbers (credit/debit card numbers with associated security codes/PINs). The company notified affected individuals in writing on December 17, 2020, and provided 24 months of identity theft protection services.
- Indiana State AGas victim2020-12-17
Discover Financial Services reported a data breach to the Indiana Attorney General. The breach occurred on 2020-09-29 and was reported on 2020-12-17. 16 Indiana residents were affected. 690 individuals affected in total.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 2 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 13 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 20 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 3 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 196 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 47 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 56 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-12-04
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-12-04. 4 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-11-30
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-11-30. 2 Massachusetts residents were affected. The report records the breach type as electronic.
- Maine State AGas reporting2020-11-04
Discover Financial Services, a payment card network, filed a data breach notification on behalf of Just For Men following an external hacking incident. The breach, which occurred on November 22, 2019, and was discovered on May 21, 2020, impacted 5 Maine residents. The compromised information included names in combination with financial account numbers or credit/debit card numbers and their security codes. Affected consumers were notified in writing on July 30, 2020.
- Maine State AGas reporting2020-11-04
ICanvas experienced an external system breach (hacking) on May 3, 2020, which was discovered on June 12, 2020. The breach compromised the names and financial account or credit/debit card numbers (with security codes) of 153 individuals. Affected consumers were notified in writing on July 16, 2020.
- Massachusetts State AGas victim2020-10-16
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-10-16. 1 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-07-31
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-07-31. 2 Massachusetts residents were affected. The report records the breach type as electronic.
- Massachusetts State AGas victim2020-07-31
Discover Financial Services reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2020-07-31. 5 Massachusetts residents were affected. The report records the breach type as electronic.