HackingGovernmentGovernmentData ExfiltratedCustomer Data InvolvedIdentity (basic)Government IDMediumContained

St. Lucie County Tax Collector's Office

bd_b9f4ab32f0094c95 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Oct 27, 2023

Filed

Dec 28, 2023

To disclose

9 weeks

Affected

15state residents only

Linked

10 filings

Confidence

66%

Full breach record for St. Lucie County Tax Collector's Office →3 incidents on file

St. Lucie County Tax Collector’s Office (SLCTC) disclosed a cybersecurity incident affecting New Hampshire residents. Unauthorized access occurred between October 16 and October 27, 2023. SLCTC discovered unusual activity on October 27, 2023, and engaged third-party forensic specialists. The incident involved the acquisition of certain files by an unknown actor. SLCTC notified 15 New Hampshire residents on December 28, 2023, and reported the event to law enforcement. Additional safeguards were implemented.

J jump to incidentP pin to compareR raw source

Leak gap clock⏱ Leak >30d9 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Incident timeline

undetected · 11 days

discovery → filing · 9 weeks / 62 days

Oct 16, 2023

Begins

Oct 27, 2023

Discovered

Dec 28, 2023

Filed

This filing is one of 10 about the same incident.View merged incident

A leak claim by alphv about this victim predates this filing by 45 days.View originating leak claim

Linked disclosures

Why this link?

Ransomware claims (1)

Leak Sitealphvbd_4e5ff0a8dbf9c19a2023-11-13 · +45dVerified by operator

Regulatory filings (8) · sorted by filing gap

Montana State AGbd_3287d0543d75ae4d2023-12-28Verified by operator
Massachusetts State AGbd_4b9a5dc6bbd1b5e02023-12-28Verified by operator
Indiana State AGbd_696eeff6d4ebe4be2023-12-28Verified by operator
Vermont State AGbd_b07011eb179ec5c32023-12-28Verified

Show 4 more filings ↓up to 104d gap

Maine State AGbd_c255febf4c5222bc2023-12-28Verified by operator
Maine State AGbd_1adb356afa9d45202024-04-10 · +104dVerified by operator
New Hampshire State AGbd_70eeb649da68ed312024-04-10 · +104dVerified by operator
Vermont State AGbd_eac607cf8f8cbff12024-04-10 · +104dVerified by operator

Name: St. Lucie County Tax Collector's Office
norm: st lucie county tax collector s office
Domain: tcslc.com

Name: St. Lucie County Tax Collector's Office
norm: st lucie county tax collector s office
Domain: tcslc.com
Industry: Governmentllm

Discovered: Oct 27, 2023
Breach occurred: Oct 16, 2023 – Oct 27, 2023
Undetected for: 11 daysoccurrence → discovery
Materiality determined: —
Notification sent: Dec 28, 2023
Affected individuals: 15state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1119 Automated Collection
Threat actor: External
Initial access: exploit_public_facing

During the incident: Took steps to secure our systems and initiated an investigation into the nature and scope of the activity with the assistance of third-party forensic specialists
Notified state and federal law enforcement of the event
Implemented additional safeguards related to data privacy and security
Changes made: Implemented additional safeguards related to data privacy and security
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 9 weeks(62 days from discovery to filing)
Compliance flags: Leak >30d
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 6 states

View merged incident ↗

Montana State AGDec 28 · first

Massachusetts State AGDec 28 · first

Indiana State AGDec 28 · first

Vermont State AGDec 28 · first

Maine State AGDec 28 · first

New Hampshire State AGDec 28 · first · this page

Maine State AG+104d

New Hampshire State AG+104d

Vermont State AG+104d

Pattern: first filing Dec 28 (MT), last Apr 10 (VT) — a 104-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://mm.nh.gov/files/uploads/doj/remote-docs/st-lucie-county-tax-collectors-office-20231228.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Dec 28, 2023
Raw hash: a6d97d36cdb1002e8be991138a95d47038d67e7f9089df91232c17d102246ec2

Linked disclosures

Ransomware claims (1)

Regulatory filings (8) · sorted by filing gap

Reporting entitySt. Lucie County Tax Collector's Office

Victim entitySt. Lucie County Tax Collector's Office

Incidentdiscovered Oct 27, 2023

Stated responseTook steps to secure our systems and initiated an investigation into the nature and scope of the activity with the assistance of third-party forensic specialists

ComplianceLeak >30d

Extraction provenanceno artifact recorded

Source provenancemm.nh.gov