MalwareProfessional ServicesProfessional ServicesRansomwareRansom DemandedData ExfiltratedIdentity (basic)LowContained

Sanford Pierson Thone & Strean, PLC

bd_a27c0c1739e2215c · schema v1 · pii pii-v1

Severity

Low

Discovered

Feb 13, 2024

Filed

Mar 29, 2024

To disclose

6 weeks

Affected

4state residents only

Linked

4 filings

Confidence

64%

Full breach record for Sanford Pierson Thone & Strean, PLC →

Sanford, Pierson, Thone & Strean, PLC notified individuals of a ransomware attack on Feb 13, 2024. The incident potentially exposed names and addresses. The firm engaged forensic investigators, reported to law enforcement, and offered 12 months of Experian IdentityWorks monitoring. No misuse of information was known at the time of notice.

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Incident timeline

discovery → filing · 6 weeks / 45 days

Feb 13, 2024

Begins

Feb 13, 2024

Discovered

Mar 29, 2024

Filed

vs. sector median

11 wks faster

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

Massachusetts State AGbd_2ef2abc57fb01c972024-03-29Verified
Maine State AGbd_88d19d8cc185e1172024-03-29Candidate
Indiana State AGbd_95e72e5732d3a4482024-03-28 · +1dVerified

Name: Sanford Pierson Thone & Strean, PLC
norm: sanford pierson thone strean

Name: Sanford Pierson Thone & Strean, PLC
norm: sanford pierson thone strean
Industry: Professional Servicesllm

Discovered: Feb 13, 2024
Breach occurred: Feb 13, 2024
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Mar 28, 2024
Affected individuals: 4state-resident count only
Data types: Identity (basic)
Attack vector: Ransomware
MITRE ATT&CK: T1486 Data Encrypted for ImpactT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: reported the incident to law enforcement
Initial access: valid_credentials

During the incident: Retained a cyber security firm to conduct a full investigation and forensic analysis
Reported the incident to law enforcement
Remediating the vulnerability that led to the intrusion
Offering a complimentary 12-month membership of Experian’s IdentityWorks
Changes made: Remediating the vulnerability that led to the intrusion
Implementing additional safeguards in light of new technologies and best practices
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 6 weeks(45 days from discovery to filing)
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 ↗

Indiana State AGMar 28 · first

Massachusetts State AG+1d

Maine State AG+1d

Montana State AG+1d · this page

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-1231.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Mar 29, 2024
Raw hash: 8371b4247ff62928d645e66ebc9a82b52a3818fd71d08cfef0db1a4759602b84

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entitySanford Pierson Thone & Strean, PLC

Victim entitySanford Pierson Thone & Strean, PLC

Incidentdiscovered Feb 13, 2024

Stated responseRetained a cyber security firm to conduct a full investigation and forensic analysis

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov