HackingGovernmentGovernmentVulnerability ExploitSupply Chain (3P Vendor)Data ExfiltratedTargetedIdentity (basic)Government IDMediumContained

State of Maine

bd_3234f2a5a49275f0 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Nov 9, 2023

To disclose

23 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

66%

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

The State of Maine notified consumers of a data breach involving its MOVEit file transfer tool, owned by Progress Software. Cybercriminals exploited a vulnerability between May 28-29, 2023, to access and download files from certain state agencies. 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.

J jump to incidentP pin to compareR raw source

Vermont clock✗ VT AG >45 bday23 weeks discovery → filing

⚠ unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

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 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

Montana State AGbd_bb9048f3d846f18f2023-11-09Verified
Maine State AGbd_c6058d3ab49a2b3c2023-11-09Verified
Washington State AGbd_54ab15a9f1f46a492023-11-13 · +4dVerified
South Carolina State AGbd_068157c5ee80ff0a2023-11-14 · +5dVerified

Show 4 more filings ↓up to 18d 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

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

Name: State of Maine
norm: state of maine
Industry: government_public
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: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain CompromiseT1041 Exfiltration Over C2 ChannelT1190 Exploit Public-Facing Application
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
Established a dedicated call center for individuals to call if they have any questions or concerns relating to the incident
Changes made: Implemented security measures recommended by Progress Software to patch the vulnerability
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 23 weeks(162 days from discovery to filing)
Compliance flags: VT AG >45 bday
Discovery-date grounding: unattributedNo provenance was recorded for this discovery date and it matches no other date on the record. It may be correct, but it is not independently grounded.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 9 filings · 8 states

View merged incident ↗

Montana State AGNov 9 · first

Maine State AGNov 9 · first

Vermont 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

Pattern: first filing Nov 9 (MT), 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://ago.vermont.gov/document/2023-11-09-state-maine-progress-software-moveit-data-breach-notice-consumers
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: 00244036e8d19c72ca136912eff28d9c4f435c04c665c992ccb7959a8e13fcca

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

ComplianceVT AG >45 bday

Extraction provenanceno artifact recorded

Source provenanceago.vermont.gov