HackingGovernmentGovernmentVulnerability ExploitData ExfiltratedCustomer Data InvolvedRansom DemandedIdentity (basic)Government IDCriticalContained

Dallas County, Texas

bd_913288442db45729 · schema v1 · pii pii-v1

Severity

Critical

Discovered

Jun 27, 2024

Filed

Jul 10, 2024

To disclose

13 days

Affected · nationwide

201,4041 in this filing

Confidence

66%

Dallas County, Texas reported an external system breach (hacking) occurring between October 16-20, 2023, discovered on June 27, 2024. Approximately 201,404 individuals were affected, including 1 Maine resident. Impacted data included names and Social Security Numbers. The County engaged forensic specialists, deployed EDR, forced password resets, and offered 24 months of identity protection services via IDX.

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Leak gap clock✗ Leak >180d13 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 · 255 days

discovery → filing · 13 days

Oct 16, 2023

Begins

Jun 27, 2024

Discovered

Jul 10, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed201,404 affectedView incident

A leak claim by play about this victim predates this filing by 265 days.View originating leak claim

Name: Dallas County, Texas
norm: dallas county

Name: Dallas County, Texas
norm: dallas county
Industry: Governmentllm

Discovered: Jun 27, 2024
Breach occurred: Oct 16, 2023 – Oct 20, 2023
Undetected for: 255 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jul 10, 2024
Affected individuals: 201,404state + nationwide
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1078 Valid Accounts
Threat actor: ExternalFinancial
Regulator citations: Filed notification with Maine Attorney General
Initial access: exploit_public_facing

During the incident: Engaged third-party cybersecurity specialists to perform a comprehensive investigation
Established a dedicated call center for individuals
Initiated measures to secure its information
Deployed an Endpoint Detection and Response (EDR) tool across servers and endpoints
Forced password changes for all users
Blocked ingress and egress traffic to IP addresses identified as malicious
Changes made: Deployed an Endpoint Detection and Response (EDR) tool across servers and endpoints connected to our network
Forced password changes for all users to grant access to our systems
Blocked ingress and egress traffic to IP addresses identified as malicious
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 13 days(13 days from discovery to filing)
Compliance flags: Leak >180dME AG ≤30d · 13d
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: Jun 27, 2024
→ Filed with AG: Jul 10, 2024
13d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Jun 27, 2024 → Filed with AG: Jul 10, 2024	13d	30 days	ME AG ≤30d

Status: No extraction artifact recorded for this disclosure.

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-a1252b4f8318/31906630-6e37-40e0-828c-e094feb7bcd7.html
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jul 10, 2024
Raw hash: 315521d3660ee691769d1fda41caf48e2503ae907bf4e3e111cf0a317a6b9318

Reporting entityDallas County, Texas

Victim entityDallas County, Texas

Incidentdiscovered Jun 27, 2024

Stated responseEngaged third-party cybersecurity specialists to perform a comprehensive investigation

ComplianceLeak >180d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov