HackingGovernmentGovernmentCustomer Data InvolvedGovernment IDPIIMediumContained

City of Clarksville, Tennessee

bd_9bb963facd489f11 · schema v1 · pii pii-v1

Severity

Medium

Discovered

Apr 24, 2024

Filed

May 20, 2024

To disclose

26 days

Affected

1scope not determined

Linked

3 filings

Confidence

66%

Full breach record for City of Clarksville, Tennessee →2 incidents on file

The City of Clarksville, Tennessee, reported a cybersecurity incident to the Maine Attorney General's office. The breach occurred between October 14 and 15, 2023, and was discovered on April 24, 2024. The incident involved an external system breach (hacking) resulting in the acquisition of names and Social Security Numbers. Only one Maine resident was affected. The City provided written notification on May 20, 2024, and offered Experian IdentityWorks 3B services.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Apr 24, 2024 → Filed with AG May 20, 202426d ✓ ME AG ≤30d26 days discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 193 days

discovery → filing · 26 days

Oct 14, 2023

Begins

Apr 24, 2024

Discovered

May 20, 2024

Filed

vs. sector median

7 wks faster

This filing is one of 3 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (2) · sorted by filing gap

Massachusetts State AGbd_972a4ef28055857e2024-05-20Verified
Indiana State AGbd_b5f7d4dd04498f722024-05-20Verified

Name: City of Clarksville, Tennessee
norm: city of clarksville tennessee

Name: City of Clarksville, Tennessee
norm: city of clarksville tennessee
Industry: Governmentllm

Discovered: Apr 24, 2024
Breach occurred: Oct 14, 2023 – Oct 15, 2023
Undetected for: 193 daysoccurrence → discovery
Materiality determined: —
Notification sent: May 20, 2024
Affected individuals: 1scope not determined
Data types: Government IDPII
Data elements: Social Security number
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Filed data breach notice with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Sent written notification to affected individuals
Offered Experian IdentityWorks 3B identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 days(26 days from discovery to filing)
Compliance flags: ME AG ≤30d · 26d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: Apr 24, 2024
→ Filed with AG: May 20, 2024
26d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Apr 24, 2024 → Filed with AG: May 20, 2024	26d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 3 filings · 3 states

View merged incident ↗

Massachusetts State AGMay 20 · first

Indiana State AGMay 20 · first

Maine State AGMay 20 · first · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/0aaf9dac-a67e-477a-b9f2-2d91c8f379ad.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 20, 2024
Raw hash: a2ab0a0d5758192635c5c43572d60d221f5394e1f5dd93b738f4321a317985e9

Linked disclosures

Regulatory filings (2) · sorted by filing gap

Reporting entityCity of Clarksville, Tennessee

Victim entityCity of Clarksville, Tennessee

Incidentdiscovered Apr 24, 2024

Stated responseSent written notification to affected individuals

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov