MalwareIdentity (basic)Government IDFinancial accountMediumActive

EB Archbald & Associates, Inc.

bd_2ac0580cdb755adb · schema v1 · pii pii-v2

Severity

Medium

Discovered

Mar 23, 2025

Filed

May 21, 2025

To disclose

—

Affected

Not disclosed

Linked

8 filings

Confidence

66%

Full breach record for EB Archbald & Associates, Inc. →

EB Archbald & Associates, Inc. (Nebraska) disclosed a ransomware attack discovered on March 23, 2025. Attackers encrypted servers and cloud portals, demanding payment. The company refused demands but suspects data exfiltration. Potentially affected data includes names, addresses, SSNs/TINs, and bank account/routing numbers. The FBI was notified, and the company engaged cybersecurity experts and outside counsel. No evidence of fraud was found at the time of notification.

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Incident timeline

Mar 23, 2025

Discovered

May 21, 2025

Filed

This filing is one of 8 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (7) · sorted by filing gap

Indiana State AGbd_196a79446ee9a3762025-05-20 · +1dVerified
Delaware State AGbd_a9c188028cc5a8202025-05-20 · +1dVerified
Massachusetts State AGbd_132978a4b6696c132025-05-14 · +7dVerified
Montana State AGbd_3958bbbaf620f66e2025-05-14 · +7dCandidate

Show 3 more filings ↓up to 16d gap

Maine State AGbd_6521be5edc1246672025-05-14 · +7dVerified
California State AGbd_ddaad36df642bd8a2025-05-13 · +8dVerified
Texas State AGbd_6ac3bf8d232736102025-06-06 · +16dVerified

Name: EB Archbald & Associates, Inc.
norm: eb archbald associates

Name: EB Archbald & Associates, Inc.
norm: eb archbald associates

Discovered: Mar 23, 2025
Materiality determined: —
Notification sent: —
Affected individuals: Not disclosed
Data types: Identity (basic)Government IDFinancial account
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Regulator citations: Notified the FBI

During the incident: Contacted the local office of the Federal Bureau of Investigation and notified them of the attack
Refused to meet the attackers’ extortion demands
Launched an investigation with the assistance of cybersecurity experts, law enforcement and outside lawyers
Partnered with IDX to answer questions and provide valuable information about the incident
Changes made: Upgrades to our web server infrastructure to improve date security
Utilization of multi-factor authentication
Utilization of the very latest in cybersecurity software
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 · 8 filings · 8 states

View merged incident ↗

California State AGMay 13 · first

Massachusetts State AG+1d

Nebraska State AG+8d · this page

Texas State AG+24d

Pattern: first filing May 13 (CA), last Jun 6 (TX) — a 24-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/81eb4efe-521c-4577-9143-495bebf5ed3e.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 21, 2025
Raw hash: e8d0e8162528e8613ebe360411c4a9850c7f217434539933b9ed7a851c0f6e06

Linked disclosures

Regulatory filings (7) · sorted by filing gap

Reporting entityEB Archbald & Associates, Inc.

Victim entityEB Archbald & Associates, Inc.

Incidentdiscovered Mar 23, 2025

Stated responseContacted the local office of the Federal Bureau of Investigation and notified them of the attack

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancenebraska.gov