DisclosureLens
AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedIdentity (basic)Financial accountAuthenticationLowContained

DISCOVER FINANCIAL SERVICES

bd_66aa26f6f1f93d40 · schema v1 · pii pii-v1

Severity

Low

Discovered

Nov 17, 2020

Filed

Dec 17, 2020

To disclose

4 weeks

Affected

7state residents only

Linked

6 filings

Confidence

65%
Full breach record for DISCOVER FINANCIAL SERVICES104 incidents on file

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.

Incident timeline

undetected · 49 days
discovery → filing · 4 weeks / 30 days

Sep 29, 2020

Begins

Nov 17, 2020

Discovered

Dec 17, 2020

Filed

vs. sector median

4 wks faster

This filing is one of 6 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filingup to 13d gap

Filing propagation · 6 filings · 4 states

View merged incident ↗
Montana State AG+13d · this page

Pattern: first filing Dec 4 (MA), last Dec 17 (MT) — a 13-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Evidence ladder

Leak-site claim

Attacker assertion only. Establishes: claim date, group, alleged victim.

Press / market report

Unlocks: incident narrative, operational impact. Still no compliance clock.

State AG / regulator filingThis record

Unlocks: discovery date, data types, affected count, compliance clock.

SEC 8-K / victim statement

Unlocks: materiality, stated response, full audit trail. Ceiling removed.