HackingGovernmentGovernmentVulnerability ExploitData ExfiltratedCustomer Data InvolvedGovernment IDIdentity (basic)HighContained

Bi-State Development

bd_5c6bb8d3dbd9eb4f · schema v1 · pii pii-v1

Severity

High

Discovered

Oct 2, 2023

Filed

Apr 18, 2024

To disclose

28 weeks

Affected · nationwide

21,9531 in this filing

Linked

4 filings

Confidence

66%

Full breach record for Bi-State Development →2 incidents on file

Bi-State Development, a Missouri-based government entity, reported an external system breach (hacking) occurring on October 1, 2023, discovered on October 2, 2023. The incident compromised the names and Social Security Numbers of 21,953 individuals, including one Maine resident. Notification was sent on April 18, 2024, and identity theft protection services were offered to affected parties.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered Oct 2, 2023 → Filed with AG Apr 18, 2024199d ✗ ME AG >90d28 weeks 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 · 1 days

discovery → filing · 28 weeks / 199 days

Oct 1, 2023

Begins

Oct 2, 2023

Discovered

Apr 18, 2024

Filed

vs. sector median

+18 wks slower

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

New Hampshire State AGbd_7f26458fa07f47a62024-03-01 · +48dVerified
Massachusetts State AGbd_b80353b5571ad7ad2024-03-01 · +48dVerified
Illinois State AGbd_8ae216f6a50730222024-01-01 · +108dVerified

Name: Bi-State Development
norm: bi state development
Domain: bistatedev.org
Industry: government_public

Name: Bi-State Development
norm: bi state development
Domain: bistatedev.org
Industry: government_public
Industry: Governmentllm

Discovered: Oct 2, 2023
Breach occurred: Oct 1, 2023
Undetected for: 1 dayoccurrence → discovery
Materiality determined: —
Notification sent: Apr 18, 2024
Affected individuals: 21,953state + nationwide
Data types: Government IDIdentity (basic)
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 identity theft protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 28 weeks(199 days from discovery to filing)
Compliance flags: ME AG >90d · 199dME resident >60d · 199d
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: Oct 2, 2023
→ Filed with AG: Apr 18, 2024
199d 90 days ME AG >90d
Maine
Discovered: Oct 2, 2023
→ Notified: Apr 18, 2024
199d 60 days (analyst band; statutory cap is 30 days) ME resident >60d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: Oct 2, 2023 → Filed with AG: Apr 18, 2024	199d	90 days	ME AG >90d
Maine	Discovered: Oct 2, 2023 → Notified: Apr 18, 2024	199d	60 days (analyst band; statutory cap is 30 days)	ME resident >60d

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Illinois State AGJan 1 · first

New Hampshire State AG+60d

Massachusetts State AG+60d

Maine State AG+108d · this page

Pattern: first filing Jan 1 (IL), last Apr 18 (ME) — a 108-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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/bddf155d-ec0d-4acc-9ec0-95cf7885baee.shtml
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Apr 18, 2024
Raw hash: 6712ad97616b2a43983d66cc9282a033eb045bf3af86bcbe520e14be237faaa7

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityBi-State Development

Victim entityBi-State Development

Incidentdiscovered Oct 2, 2023

Stated responseSent written notification to affected individuals

ComplianceME AG >90d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov