MalwareFinancial ServicesFinanceRansomwareRansom DemandedData ExfiltratedIdentity (basic)Government IDFinancial accountMediumContained

Goldwater Bank, N.A.

bd_eb3a897d5c5088cd · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 21, 2021

Filed

Oct 29, 2021

To disclose

23 weeks

Affected

25state residents only

Linked

5 filings

Confidence

65%

Full breach record for Goldwater Bank, N.A. →

Goldwater Bank, N.A. notified Montana residents of a ransomware attempt on May 21, 2021. Hackers gained access to customer names, contact info, SSNs, and account numbers. The attack was stopped, but data was accessed. FBI was notified. IdentityForce monitoring offered.

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Incident timeline

discovery → filing · 23 weeks / 161 days

May 21, 2021

Begins

May 21, 2021

Discovered

Oct 29, 2021

Filed

vs. sector median

+15 wks slower

This filing is one of 5 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (4) · sorted by filing gap

Washington State AGbd_125ff3a001d249222021-10-29Candidate
California State AGbd_622351252ee383612021-10-29Verified
Massachusetts State AGbd_f7331b025a3d09502021-10-29Verified
Indiana State AGbd_4d62f4b45a829f6c2021-09-10 · +49dVerified

Name: Goldwater Bank, N.A.
norm: goldwater bank na

Name: Goldwater Bank, N.A.
norm: goldwater bank na
Industry: Financial Servicesllm

Discovered: May 21, 2021
Breach occurred: May 21, 2021
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Sep 10, 2021
Affected individuals: 25state-resident count only
Data types: Identity (basic)Government IDFinancial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1119 Automated Collection
Threat actor: ExternalFinancial
Regulator citations: Reported the event to the Federal Bureau of Investigation
Initial access: external_remote_services

During the incident: Conducted our own internal investigation to protect and minimize any financial impact to you
Reported the event to the Federal Bureau of Investigation
Worked with law enforcement to identify and pursue the responsible parties
Arranged for a complimentary one-year membership in an identity privacy protection service provided by IdentityForce
Changes made: Thoroughly evaluated our existing cybersecurity infrastructure and processes
Working to strengthen safeguards to stay ahead of this type of threat activity
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(161 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 5 filings · 5 states

View merged incident ↗

Indiana State AGSep 10 · first

Washington State AG+49d

California State AG+49d

Massachusetts State AG+49d

Montana State AG+49d · this page

Pattern: first filing Sep 10 (IN), last Oct 29 (MT) — a 49-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.

Source URL: https://dojmt.gov/wp-content/uploads/OCP/Consumer-Notification-Letter-45.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 29, 2021
Raw hash: 5ec11b6744051f3296e908ba89f7ce9e4e0073a6d1994964604c729039937818

Linked disclosures

Regulatory filings (4) · sorted by filing gap

Reporting entityGoldwater Bank, N.A.

Victim entityGoldwater Bank, N.A.

Incidentdiscovered May 21, 2021

Stated responseConducted our own internal investigation to protect and minimize any financial impact to you

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov