HackingProfessional ServicesProfessional ServicesStolen CredentialsSupply Chain (3P Vendor)Data ExfiltratedPIIIdentity (basic)MediumContained

MAXIMUS, Inc.

bd_5312733f463970a3 · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Jan 10, 2024

To disclose

—

Affected

20,513scope not determined

Linked

18 records

Confidence

68%

Full breach record for MAXIMUS, Inc. →6 incidents on file

Maximus, Inc. submitted a supplemental data security incident update to the Idaho Attorney General on January 10, 2024, regarding a breach involving MOVEit Transfer. The incident affected 20,513 Idaho residents. Maximus offered 24 months of credit monitoring and identity restoration services through Experian and notified consumer reporting agencies. The investigation is concluded.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Jan 10, 2024

Filed

No interval is drawn: no breach start or discovery date is on record for this filing.

This filing is one of 18 records about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

Oregon State AGbd_4a2584ab84dfe0f12023-08-29 · +134dVerified by operator
South Carolina State AGbd_a90da3e7c4e0509c2023-08-29 · +134dVerified
Hawaii State AGbd_d3d3db6e2dd7a7a82023-08-26 · +137dVerified by operator
Vermont State AGbd_67d6131ab83daa012023-08-25 · +138dVerified by operator

Show 6 more filings ↓up to 159d gap

Delaware State AGbd_97027e573fc51e132023-08-25 · +138dVerified by operator
Washington State AGbd_d4deac1eb085d27a2023-08-25 · +138dVerified
New Hampshire State AGbd_fe9387821fda92642023-08-25 · +138dVerified by operator
Indiana State AGbd_45d3fdf48f1c933d2023-08-24 · +139dVerified by operator
California State AGbd_bf25ea19ea12a1242023-08-18 · +145dVerified
HHS OCRbd_dedafa3bd216907a2023-08-04 · +159dVerified

Showing first 10 of 17 linked disclosures.

Name: MAXIMUS, Inc.
norm: maximus
Domain: maximus.com

Name: MAXIMUS, Inc.
norm: maximus
Domain: maximus.com
Industry: Professional Servicesllm

Discovered: —
Materiality determined: —
Notification sent: Jan 10, 2024
Affected individuals: 20,513scope not determined
Data types: PIIIdentity (basic)
Attack vector: Third-Party / Supply Chain
MITRE ATT&CK: T1195 Supply Chain Compromise
Threat actor: ExternalFinancial
Regulator citations: Notified Idaho Attorney General's Office on July 28, 2023
Third party: via Progress Software
Initial access: supply_chain

During the incident: Mailed a total of 20,513 notices to affected Idaho residents via first-class mail
Offered 24 months of complementary IdentityWorksSM credit monitoring, identity restoration, and fraud detection services, through Experian
Notified the major consumer reporting agencies regarding the incident
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

HHS OCRAug 4 · first

California State AG+14d

Indiana State AG+20d

Vermont State AG+21d

Delaware State AG+21d

Washington State AG+21d

New Hampshire State AG+21d

Hawaii State AG+22d

Oregon State AG+25d

South Carolina State AG+25d

Idaho State AG+159d · this page

Pattern: first filing Aug 4 (VA), last Jan 10 (ID) — a 159-day rolling notification. Rolling spreads often mean counsel is filing as thresholds trip per state. Why this link?

Cascade drawn from the first 10 linked disclosures of 17 — the full spread may be wider.

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://www.ag.idaho.gov/content/uploads/2024/01/1-10-2024-Maximus-Inc.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jan 10, 2024
Raw hash: ccc1fe6abc4ebfa57ac5cc1c3b8b0577e1f11fbbf84b4d8ea671eb96cd3b6867

Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMAXIMUS, Inc.

Victim entityMAXIMUS, Inc.

IncidentThird-Party / Supply Chain

Stated responseMailed a total of 20,513 notices to affected Idaho residents via first-class mail

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.ag.idaho.gov