HackingStolen CredentialsCustomer Data InvolvedIDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNTMediumContained
U.S. BANCORP
bd_9d92fbe19408e83a · schema v1 · pii pii-v1
Full breach record for U.S. BANCORP →U.S. Bank, N.A. reported a credential stuffing incident on March 31, 2021, affecting 333 individuals, including 2 Maine residents. The breach involved financial account numbers and credit/debit card details. The bank notified affected consumers via telephone on April 2, 2021.
Maine clockDiscovered Mar 31, 2021 → Filed with AG May 5, 202135d ⏱ ME AG >30d5 weeks discovery → filing
⚠ occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed333 affectedView incident
Source provenance
- Source URL
- https://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/22155baf-9322-4cc4-b243-7fa4704925d0.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
- Filed at
- May 5, 2021
- Raw hash
- 8d78950e6cd50bf1e3686e7ab213ee3870f73a45316bbd3ba71527f6c9f902de
Reporting entity
- Name
- U.S. BANCORPnorm: us bancorp
- Domain
- usbank.com
Victim entity
- Name
- U.S. BANCORPnorm: us bancorp
- Domain
- usbank.com
Incident
- Discovered
- Mar 31, 2021
- Materiality determined
- —
- Notification sent
- Apr 2, 2021
- Affected individuals
- 333
- Data types
- IDENTITY_BASICIDENTITY_GOVERNMENTFINANCIAL_ACCOUNT
- Attack vector
- Unauthorized Access
- MITRE ATT&CK
- T1110 Brute Force
- Threat actor
- ExternalFinancial
- Regulator citations
- Filed data breach notice with Maine Attorney General
- Initial access
- valid_credentials
Compliance
- Time to disclose
- 5 weeks(35 days from discovery to filing)
- Compliance flags
- ME AG >30d · 35d
- Discovery-date grounding
- occurrence dateThe stored discovery date equals the breach OCCURRENCE date. Detection is normally later, so this OVERSTATES the delay — a 'late' verdict here may not be real.
- Clock breakdown
Statute Window Elapsed Threshold Status Maine Discovered: Mar 31, 2021→ Filed with AG: May 5, 202135d 30 days (soft) ME AG >30d
Extraction provenance
- Status
- No extraction artifact recorded for this disclosure.