HackingGovernmentGovernmentVulnerability ExploitCapture Stored DataData ExfiltratedCustomer Data InvolvedSupply Chain (3P Vendor)Identity (basic)Government IDPIIHighContained

State of Maine

bd_a883a45dffbdc16c · schema v1 · pii pii-v1

Severity

High

Discovered

May 31, 2023

Filed

May 9, 2024

To disclose

49 weeks

Affected

10,848state residents only

Confidence

66%

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 vulnerability was exploited between May 28-29, 2023. The State discovered the incident on May 31, 2023. Initial notifications began November 9, 2023. A revised count identifies 10,848 New Hampshire residents affected. Data types include PII and government IDs. Credit monitoring was offered.

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Incident timeline

undetected · 3 days

discovery → filing · 49 weeks / 344 days

May 28, 2023

Begins

May 31, 2023

Discovered

May 9, 2024

Filed

Tracked as a single-filing incident — the only disclosure on record for this event so far.Confirmed10,848 affectedView incident

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: 10,848state-resident count only
Data types: Identity (basic)Government IDPII
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 complimentary credit monitoring and identity protection services
Changes made: Patched the vulnerability in MOVEit software
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 49 weeks(344 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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://mm.nh.gov/files/uploads/doj/remote-docs/state-maine-20240509.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: May 9, 2024
Raw hash: 80a2464142983b499fb7a425d9a3296a901422b722030e187b3c1d3259c63741

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 provenancemm.nh.gov