HackingTechnologyHealthcareInformationDelayed DiscoveryIdentity (basic)Government IDHighContained

MAXIMUS, Inc.

bd_fc831cd1e2cfd124 · schema v1 · pii pii-v1

Severity

High

Discovered

May 19, 2021

Filed

Jun 26, 2021

To disclose

5 weeks

Affected

2,452state residents only

Linked

9 filings

Confidence

66%

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

Maximus, Inc. notified Ohio healthcare providers that an unknown actor impermissibly accessed a Maximus server containing personal information (name, DOB, SSN, DEA number) starting May 17, 2021. Maximus isolated the server, engaged forensic investigators, and notified law enforcement and the Ohio Department of Medicaid. No evidence of misuse was found, but 24 months of credit monitoring via Experian was offered.

J jump to incidentP pin to compareR raw source

South Carolina clock✓ SC CRA notice due5 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 · 2 days

discovery → filing · 5 weeks / 38 days

May 17, 2021

Begins

May 19, 2021

Discovered

Jun 26, 2021

Filed

vs. sector median

13 wks faster

This filing is one of 9 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (8) · sorted by filing gap

Massachusetts State AGbd_2e78ef3ff37c02522021-06-23 · +3dVerified
Oregon State AGbd_95fe17fd51c484b12021-06-23 · +3dVerified
California State AGbd_ca9899e2f1ee95082021-06-23 · +3dVerified
Montana State AGbd_15f95b9de6da42402021-06-18 · +8dVerified

Show 4 more filings ↓up to 176d gap

Washington State AGbd_340e22bbd5965c2e2021-06-18 · +8dVerified
Indiana State AGbd_50f3609197b402ce2021-06-18 · +8dVerified
Maine State AGbd_c0f90fe419cd58bf2021-06-18 · +8dVerified
Illinois State AGbd_a407b5166ea935272021-01-01 · +176dCandidate

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

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

Discovered: May 19, 2021
Breach occurred: May 17, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 18, 2021
Affected individuals: 2,452state-resident count only
Data types: Identity (basic)Government ID
Data elements: Social Security numberDate of birth
Attack vector: Unauthorized Access
MITRE ATT&CK: T1190 Exploit Public-Facing Application
Threat actor: External
Regulator citations: Notified the Ohio Department of Medicaid (ODM)
Initial access: exploit_public_facing

During the incident: Isolated the server
Engaged a leading digital forensics firm to assist with an investigation
Notified appropriate law enforcement
Notified the Ohio Department of Medicaid (ODM)
Changes made: Identified how the incident happened and made changes so it should not happen again
Arranged for 24 months of credit monitoring and other services from Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 5 weeks(38 days from discovery to filing)
Compliance flags: SC CRA notice due
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 · 9 states

View merged incident ↗

Illinois State AGJan 1 · first

Montana State AG+168d

Washington State AG+168d

Indiana State AG+168d

Maine State AG+168d

Massachusetts State AG+173d

Oregon State AG+173d

California State AG+173d

South Carolina State AG+176d · this page

Pattern: first filing Jan 1 (IL), last Jun 26 (SC) — a 176-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://consumer.sc.gov/sites/consumer/files/Documents/Business%20Resources%20Laws/Related%20Laws/Breaches/2021/Maximus.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 26, 2021
Raw hash: 8c27aa6356bb7fcc8363bd9dcbe7f2a8350f047350e81014bfa14fb26f8a7f96

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMAXIMUS, Inc.

Victim entityMAXIMUS, Inc.

Incidentdiscovered May 19, 2021

Stated responseIsolated the server

ComplianceSC CRA notice due

Extraction provenanceno artifact recorded

Source provenanceconsumer.sc.gov