HackingGovernmentGovernmentVulnerability ExploitSupply Chain (3P Vendor)Customer Data InvolvedEmployee Data InvolvedIdentity (basic)Government IDMediumContained

State of Maine

bd_9f3c12779b714b64 · schema v1 · pii pii-v1

Severity

Medium

Discovered

May 31, 2023

Filed

Nov 27, 2023

To disclose

26 weeks

Affected

Not disclosed

Linked

9 filings

Confidence

65%

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

The State of Maine experienced a data breach involving the MOVEit file transfer tool owned by Progress Software. Cybercriminals exploited a software vulnerability to access and download files from certain state agencies between May 28 and May 29, 2023. The State became aware of the incident on May 31, 2023. Affected data may include names and Social Security numbers or taxpayer identification numbers. The State blocked internet access to the server, patched the vulnerability, engaged legal and cybersecurity experts, and offered two years of credit monitoring to affected individuals.

J jump to incidentP pin to compareR raw source

Incident timeline

undetected · 3 days

discovery → filing · 26 weeks / 180 days

May 28, 2023

Begins

May 31, 2023

Discovered

Nov 27, 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

Oregon State AGbd_d9f19ada2e1cd45a2023-11-27Verified
HHS OCRbd_9fdd1746eaefe1732023-11-16 · +11dVerified
New Hampshire State AGbd_0c414cef662e480b2023-11-15 · +12dVerified
South Carolina State AGbd_068157c5ee80ff0a2023-11-14 · +13dVerified

Show 4 more filings ↓up to 18d gap

Washington State AGbd_54ab15a9f1f46a492023-11-13 · +14dVerified
Vermont State AGbd_3234f2a5a49275f02023-11-09 · +18dVerified
Montana State AGbd_bb9048f3d846f18f2023-11-09 · +18dVerified
Maine State AGbd_c6058d3ab49a2b3c2023-11-09 · +18dVerified

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: Not disclosed
Data types: Identity (basic)Government ID
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1190 Exploit Public-Facing ApplicationT1195 Supply Chain Compromise
Threat actor: External
Third party: via Progress Software
Initial access: supply_chain

During the incident: Blocking internet access to and from the MOVEit server
Implementing 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: Implementing security measures recommended by Progress Software to patch the vulnerability
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 26 weeks(180 days from discovery to filing)
Compliance flags: — (clock not assessable for this source)

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

South Carolina State AG+5d

New Hampshire State AG+6d

HHS OCR+7d

Oregon State AG+18d

California State AG+18d · this page

Pattern: first filing Nov 9 (VT), last Nov 27 (CA) — 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://oag.ca.gov/ecrime/databreach/reports/sb24-577070
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Nov 27, 2023
Raw hash: c7794f554c917b0636b6fb71876b7d807499e7ddb0c1c2a2a6b84172ea344637

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityState of Maine

Victim entityState of Maine

Incidentdiscovered May 31, 2023

Stated responseBlocking internet access to and from the MOVEit server

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenanceoag.ca.gov