HackingGovernmentGovernmentVulnerability ExploitData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Financial accountHealth (basic)Identity (basic)Government IDPHIHighContained

State of Maine

bd_54ab15a9f1f46a49 · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

Nov 13, 2023

To disclose

24 weeks

Affected

2,606state residents only

Linked

9 filings

Confidence

69%

Full breach record for State of Maine →3 incidents on file

Supplemental notice on behalf of the State of Maine regarding the MOVEit data security incident. The State discovered a vulnerability in MOVEit on May 31, 2023. Cybercriminals exploited the vulnerability to access and download files between May 28-29, 2023. The incident affected 2,606 Washington residents, involving PII, SSNs, and medical information. The State engaged legal counsel and forensic experts, patched the vulnerability, and provided two years of credit monitoring.

J jump to incidentP pin to compareR raw source

Washington clock✗ WA AG >90d24 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 · 3 days

discovery → filing · 24 weeks / 166 days

May 28, 2023

Begins

May 31, 2023

Discovered

Nov 13, 2023

Filed

This filing is one of 9 about the same incident.View merged incident

Part of Progress Software Corporation supply-chain incident (2023) — a supply-chain cascade affecting multiple organizations.View cascade →

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

South Carolina State AGbd_068157c5ee80ff0a2023-11-14 · +1dVerified
New Hampshire State AGbd_0c414cef662e480b2023-11-15 · +2dVerified
HHS OCRbd_9fdd1746eaefe1732023-11-16 · +3dVerified
Vermont State AGbd_3234f2a5a49275f02023-11-09 · +4dVerified

Show 4 more filings ↓up to 14d gap

Montana State AGbd_bb9048f3d846f18f2023-11-09 · +4dVerified
Maine State AGbd_c6058d3ab49a2b3c2023-11-09 · +4dVerified
California State AGbd_9f3c12779b714b642023-11-27 · +14dVerified
Oregon State AGbd_d9f19ada2e1cd45a2023-11-27 · +14dVerified

Name: State of Maine
norm: state of maine

Name: State of Maine
norm: state of maine
Industry: Governmentllm

Discovered: May 31, 2023
Breach occurred: May 28, 2023 – May 29, 2023
Undetected for: 3 daysoccurrence → discovery
Materiality determined: —
Notification sent: Nov 9, 2023
Affected individuals: 2,606state-resident count only
Data types: Identity (basic)Government IDHealth (basic)Financial account
Data elements: NameSocial Security numberDriver's licence numberDate of birthHealth insurance IDMedical information
WA-stated cause: Cyberattack
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found after the fact
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1041 Exfiltration Over C2 Channel
Threat actor: ExternalFinancial
Initial access: exploit_public_facing

During the incident: Blocked internet access to and from the MOVEit server
Implemented security measures recommended by Progress Software to patch the vulnerability
Engaged the services of outside legal counsel
Engaged external cybersecurity experts to investigate the nature and scope of the incident
Conducted a comprehensive investigation to determine what information was involved
Changes made: Arranged for CyEx to provide individuals whose Social Security numbers or taxpayer identification numbers were involved in this incident with two years of complimentary monitoring and identity protection services
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 24 weeks(166 days from discovery to filing)
Compliance flags: WA AG >90d
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.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Vermont State AGNov 9 · first

Montana State AGNov 9 · first

Maine State AGNov 9 · first

Washington State AG+4d · this page

South Carolina State AG+5d

New Hampshire State AG+6d

HHS OCR+7d

California State AG+18d

Oregon State AG+18d

Pattern: first filing Nov 9 (VT), last Nov 27 (OR) — a 18-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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachA27009.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 13, 2023
Raw hash: 4647662ca253668db3dec12d24006c866e32d8a445cae4f3b6c2c014cf5c5c49

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityState of Maine

Victim entityState of Maine

Incidentdiscovered May 31, 2023

Stated responseBlocked internet access to and from the MOVEit server

ComplianceWA AG >90d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com