VIRGINIAHackingHealthcareHealthcareBusiness Associate (HIPAA)Customer Data InvolvedData ExfiltratedPHIHealth (basic)Identity (basic)HighContained

MAXIMUS, Inc.

bd_dedafa3bd216907a · schema v1 · pii pii-v1

Severity

High

Discovered

—

Filed

Aug 4, 2023

To disclose

—

Affected

9,179,390

Linked

17 filings

Confidence

68%

Full breach record for MAXIMUS, Inc. →7 incidents on file

Maximus, Inc. reported to HHS on 2023-08-04 a Hacking/IT Incident affecting 9,179,390 individuals. Breached information located on Network Server. A software application used by a business associate exposed PHI including names and claims information.

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HIPAA clock✓ HHS notified

⚠ no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

⚠ No discovery dateThe OCR public portal omits the discovery date, so the 60-day notification clock cannot be evaluated from this source — only that the filing was submitted.

Incident timeline — partial

? — ?

Breach window unknown

Aug 4, 2023

Filed

—

Corroborated · see linked filings

Compliance clocks stay unassessable until a regulatory filing lands. Dashed segments fill in automatically when corroboration arrives.

This filing is one of 17 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (10) · sorted by filing gap

California State AGbd_bf25ea19ea12a1242023-08-18 · +14dVerified
Indiana State AGbd_45d3fdf48f1c933d2023-08-24 · +20dVerified by operator
Vermont State AGbd_67d6131ab83daa012023-08-25 · +21dVerified by operator
Delaware State AGbd_97027e573fc51e132023-08-25 · +21dVerified by operator

Show 6 more filings ↓up to 159d gap

Washington State AGbd_d4deac1eb085d27a2023-08-25 · +21dVerified
New Hampshire State AGbd_fe9387821fda92642023-08-25 · +21dVerified by operator
Hawaii State AGbd_d3d3db6e2dd7a7a82023-08-26 · +22dVerified by operator
Oregon State AGbd_4a2584ab84dfe0f12023-08-29 · +25dVerified by operator
South Carolina State AGbd_a90da3e7c4e0509c2023-08-29 · +25dVerified
Idaho State AGbd_5312733f463970a32024-01-10 · +159dVerified by operator

Showing first 10 of 16 linked disclosures.

Name: MAXIMUS, Inc.
norm: maximus
Domain: maximus.com
Industry: Health Care Services

Name: MAXIMUS, Inc.
norm: maximus
Domain: maximus.com
Industry: Healthcaresource default

Discovered: Not extracted — the OCR public portal omits it
Materiality determined: —
Notification sent: —
Affected individuals: 9,179,390nationwide
Data types: PHIHealth (basic)Identity (basic)
HHS breach type: Hacking / IT incident
Where the data lived: Network server
Covered-entity type: Business associate
Attack vector: Unauthorized Access
MITRE ATT&CK: T1041 Exfiltration Over C2 ChannelT1119 Automated Collection
Threat actor: External
Regulator citations: Notified HHS

During the incident: Notified HHS
Notified affected individuals
Provided substitute notice
Provided complimentary credit monitoring services
Implemented additional administrative, technical, and security safeguards
Changes made: Implemented additional administrative, technical, and security safeguards to better protect PHI
Source: Quoted from the filing itself, not independently verified.

Compliance flags: HHS notified
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.
Clock breakdown: Statute Window Elapsed Threshold Status
HIPAA
Discovered: not extracted
→ Notified: not extracted
— regulatory submission HHS notified

Statute	Window	Elapsed	Threshold	Status
HIPAA	Discovered: not extracted → Notified: not extracted	—	regulatory submission	HHS notified

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 11 filings · 11 states

View merged incident ↗

HHS OCRAug 4 · first · this page

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

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 16 — 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://ocrportal.hhs.gov/ocr/breach/breach_report.jsf
DisclosureLens renders the full SEC/HHS filing inline below from the originating regulator’s public record (§4.5 fair report privilege).
Filed at: Aug 4, 2023
Raw hash: bbfae6d897e683871e22935f8a9889eb992b4c6df3198c5145b5408d6147e487

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Linked disclosures

Regulatory filings (10) · sorted by filing gap

Reporting entityMAXIMUS, Inc.

Victim entityMAXIMUS, Inc.

IncidentUnauthorized Access

Stated responseNotified HHS

ComplianceHHS notified

Extraction provenanceno artifact recorded

Source provenanceocrportal.hhs.gov

Source filing