DisclosureLens
HackingFinancial ServicesFinanceCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDCritical

Umpqua Bank

bd_d739cdfb0d8e16a8 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 21, 2023

Filed

Aug 11, 2023

To disclose

7 weeks

Affected · nationwide

429,25284 in this filing

Linked

6 filings

Confidence

50%
Full breach record for Umpqua Bank →

Umpqua Bank reported a data breach affecting 84 Maine residents, which occurred between May 27 and May 31, 2023. The breach was discovered on June 21, 2023, and was caused by an external system breach (hacking) of a third-party vendor, Fidelity National Information Services, Inc. The compromised information included names and Social Security numbers. Umpqua Bank began notifying affected individuals on August 11, 2023, and offered 24 months of identity monitoring and theft protection services through OnAlert Essential Bundle from ChexSystems.

Maine clockDiscovered Jun 21, 2023 → Filed with AG Aug 11, 202351d ⏱ ME AG >30d7 weeks discovery → filing
⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 25 days
discovery → filing · 7 weeks / 51 days

May 27, 2023

Begins

Jun 21, 2023

Discovered

Aug 11, 2023

Filed

vs. sector median

3 wks faster

This filing is one of 6 filings about the same incident.View merged incident
Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (5) · sorted by filing gap

Show 1 more filing ↓up to 45d gap

Filing propagation · 6 filings · 5 states

View merged incident ↗
SEC 8-KJun 27 · first
Indiana State AG+45d
California State AG+45d
Washington State AG+45d
Maine State AG+45d · this page
New Hampshire State AG+52d

Pattern: first filing Jun 27, last Aug 18 (NH) — a 52-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.