FEDERALItem 8.01 · voluntaryHackingFinancial ServicesFinanceSupply Chain (3P Vendor)Customer Data InvolvedIdentity (basic)Government IDMediumContained

Umpqua Bank

bd_4d92681387db7779 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Jun 21, 2023

Filed

Jun 27, 2023

To disclose

6 days

Affected

Not disclosed

Linked

6 filings

Confidence

66%

Full breach record for Umpqua Bank →

Columbia Banking System, Inc. disclosed that its subsidiary, Umpqua Bank, was affected by a security incident involving a third-party technology service provider's MOVEit filesharing software. The incident resulted in the unauthorized acquisition of names and Social Security numbers or tax identification numbers of certain consumer and small business customers. Umpqua Bank notified affected customers via email on June 22, 2023. A separate on-premise MOVEit incident was also contained with no data loss. The Company does not currently believe the incidents will have a material adverse effect.

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Incident timeline

discovery → filing · 6 days

Jun 21, 2023

Discovered

Jun 27, 2023

Filed

vs. sector median

9 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

Indiana State AGbd_3d603af54d5cb3992023-08-11 · +45dVerified
California State AGbd_d3b7a25fe28a7b9b2023-08-11 · +45dVerified
Maine State AGbd_d739cdfb0d8e16a82023-08-11 · +45dVerified
Washington State AGbd_e9edd427ec1aee582023-08-11 · +45dVerified

Show 1 more filing ↓up to 52d gap

New Hampshire State AGbd_2976eb4a9bce87f52023-08-18 · +52dVerified

Name: Columbia Banking System, Inc.
norm: columbia banking system
SEC CIK: 0000887343

Name: Umpqua Bank
norm: umpqua bank
Industry: Financial Servicesllm

Discovered: Jun 21, 2023
Materiality determined: —
Notification sent: Jun 22, 2023
Affected individuals: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: External
Third party: via MOVEit Vendor
Initial access: supply_chain

During the incident: Sent an email to potentially affected consumer and small business customers informing them of the Vendor Incident
Working with the Vendor to provide formal notification to all such consumer and small business customers with additional information and resources
Engaged an independent forensics firm to assess the on-premise MOVEit incident
Removed the on-premise MOVEit instance from the network immediately and decommissioned it
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 days(6 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 6 filings · 5 states

View merged incident ↗

SEC 8-KJun 27 · first · this page

Indiana State AG+45d

California State AG+45d

Maine State AG+45d

Washington State AG+45d

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 filing

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

SEC 8-K / victim statementThis record

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

Source URL: https://www.sec.gov/Archives/edgar/data/887343/000088734323000274/
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Jun 27, 2023
Raw hash: b8a06db58ad202bcbc7b9f80cc0a80e429cae03ca2f5e87b7f429ee154d98f68

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Linked disclosures

Regulatory filings (5) · sorted by filing gap

Reporting entityColumbia Banking System, Inc.

Victim entityUmpqua Bank

Incidentdiscovered Jun 21, 2023

Stated responseSent an email to potentially affected consumer and small business customers informing them of the Vendor Incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.sec.gov

Source filing