AccidentalFinancial ServicesFinanceMisdeliveryCustomer Data InvolvedIdentity (basic)Government IDFinancial accountMediumContained

Bluestone Bank

bd_917bdd484a3486c8 · schema v1 · pii pii-v2

Severity

Medium

Discovered

—

Filed

Mar 28, 2025

To disclose

—

Affected

Not disclosed

Linked

4 filings

Confidence

66%

Full breach record for Bluestone Bank →6 incidents on file

Bluestone Bank notified Nebraska residents of a data breach occurring on February 28, 2025, where an administrative error resulted in the unauthorized disclosure of customer personal information (name, address, SSN, account numbers) to another customer via encrypted email. The bank mitigated risk by removing the email from the portal and obtaining a Certificate of Destruction from the recipient. Remediation included retraining and protocol enhancements. Affected individuals were offered 18 months of credit monitoring via OnAlert/ChexSystems.

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Incident timeline

Feb 28, 2025

Begins

Mar 28, 2025

Filed

This filing is one of 4 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

Indiana State AGbd_fe71564eff3e17ea2025-03-27 · +1dVerified
Massachusetts State AGbd_0db5347b3725c00b2025-03-19 · +9dCandidate
Maine State AGbd_87312c1fef24a7a42025-04-11 · +14dCandidate

Name: Bluestone Bank
norm: bluestone bank

Name: Bluestone Bank
norm: bluestone bank
Industry: Financial Servicesllm

Discovered: —
Breach occurred: Feb 28, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Unknown

During the incident: Reinforcing proper data handling procedures
Mandating retraining on the appropriate management of customer data
Evaluated and enhanced our existing protocols and controls
Offering a complimentary 18-month membership of OnAlert (Essential Bundle) from ChexSystems
Offering the option of closing and reopening your impacted Bluestone Bank account(s)
Changes made: Reinforcing proper data handling procedures
Mandating retraining on the appropriate management of customer data
Evaluated and enhanced our existing protocols and controls
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGMar 19 · first

Indiana State AG+8d

Nebraska State AG+9d · this page

Maine State AG+23d

Pattern: first filing Mar 19 (MA), last Apr 11 (ME) — a 23-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://nebraska.gov/ago/data-breach/documents/9713ecad-8c3a-4d87-a61d-c654d0fac071.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 28, 2025
Raw hash: e4962458c4d09a389be6f0d82a15add8c579d1858c7cd9d22ca05dcbeb3b1d51

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBluestone Bank

Victim entityBluestone Bank

IncidentUnknown

Stated responseReinforcing proper data handling procedures

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov