HackingGovernmentGovernmentVulnerability ExploitData ExfiltratedTargetedIdentity (basic)Government IDMediumContained

State of Maine

bd_bb9048f3d846f18f · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Nov 9, 2023

To disclose

23 weeks

Affected

232state residents only

Linked

10 filings

Confidence

66%

Full breach record for State of Maine →2 incidents on file

The State of Maine disclosed a cybersecurity incident involving the MOVEit file transfer tool. A software vulnerability was exploited by cybercriminals between May 28-29, 2023, allowing unauthorized access and data download from Maine agencies. The State became aware of the vulnerability on May 31, 2023. Affected data included names and government identifiers (SSN/TIN). The State engaged legal counsel and cybersecurity experts, patched the vulnerability, and offered two years of credit monitoring to affected individuals.

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Incident timeline

undetected · 3 days

discovery → filing · 23 weeks / 162 days

May 28, 2023

Begins

May 31, 2023

Discovered

Nov 9, 2023

Filed

This filing is one of 10 filings 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 (9) · sorted by filing gap

Vermont State AGbd_3234f2a5a49275f02023-11-09Verified
Maine State AGbd_c6058d3ab49a2b3c2023-11-09Verified
Washington State AGbd_54ab15a9f1f46a492023-11-13 · +4dVerified
South Carolina State AGbd_068157c5ee80ff0a2023-11-14 · +5dVerified

Show 5 more filings ↓up to 22d gap

New Hampshire State AGbd_0c414cef662e480b2023-11-15 · +6dVerified
HHS OCRbd_9fdd1746eaefe1732023-11-16 · +7dVerified
California State AGbd_9f3c12779b714b642023-11-27 · +18dVerified
Oregon State AGbd_d9f19ada2e1cd45a2023-11-27 · +18dVerified
Massachusetts State AGbd_7aaf95f3346016d92023-12-01 · +22dVerified

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: —
Affected individuals: 232state-resident count only
Data types: Identity (basic)Government ID
Attack vector: Unauthorized Access
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
Arranged for CyEx to provide individuals whose Social Security numbers or taxpayer identification numbers were involved in this incident with two years of complimentary credit monitoring and identity protection services
Changes made: Patched the vulnerability
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(162 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 10 filings · 9 states

View merged incident ↗

Vermont State AGNov 9 · first

Maine State AGNov 9 · first

Montana State AGNov 9 · first · this page

Washington State AG+4d

South Carolina State AG+5d

New Hampshire State AG+6d

HHS OCR+7d

California State AG+18d

Oregon State AG+18d

Massachusetts State AG+22d

Pattern: first filing Nov 9 (VT), last Dec 1 (MA) — a 22-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://dojmt.gov/wp-content/uploads/OCP/Consumer-notification-letter-834.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 9, 2023
Raw hash: 2cb4c0a20734486de11b6acfed2f22d23f30dcb1129aa54cdce281a2500f9143

Linked disclosures

Regulatory filings (9) · 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

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancedojmt.gov