HackingProfessional ServicesHealthcareProfessional ServicesCustomer Data InvolvedTargetedIdentity (basic)Government IDPIICriticalContained

MAXIMUS, Inc.

bd_340e22bbd5965c2e · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 19, 2021

Filed

Jun 18, 2021

To disclose

4 weeks

Affected · nationwide

334,6902,560 in this filing

Linked

9 filings

Confidence

70%

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

Maximus, Inc. reported an unauthorized access incident affecting a server containing personal information of healthcare providers. The breach impacted 334,690 individuals total, including 2,560 Washington residents. Data accessed included names, DOBs, SSNs, and DEA numbers. Maximus isolated the server, engaged forensic investigators, and notified law enforcement and ODM. Affected individuals were offered 24 months of credit monitoring.

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Washington clock✓ WA AG ≤30d4 weeks discovery → filing

⚠ AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

Incident timeline

undetected · 2 days

discovery → filing · 4 weeks / 30 days

May 17, 2021

Begins

May 19, 2021

Discovered

Jun 18, 2021

Filed

vs. sector median

14 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

Montana State AGbd_15f95b9de6da42402021-06-18Verified
Indiana State AGbd_50f3609197b402ce2021-06-18Verified
Maine State AGbd_c0f90fe419cd58bf2021-06-18Verified
Massachusetts State AGbd_2e78ef3ff37c02522021-06-23 · +5dVerified

Show 4 more filings ↓up to 168d gap

Oregon State AGbd_95fe17fd51c484b12021-06-23 · +5dVerified
California State AGbd_ca9899e2f1ee95082021-06-23 · +5dVerified
South Carolina State AGbd_fc831cd1e2cfd1242021-06-26 · +8dVerified
Illinois State AGbd_a407b5166ea935272021-01-01 · +168dCandidate

Name: HOGAN LOVELLS US LLP
norm: hogan lovells us

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

Discovered: May 19, 2021
Breach occurred: May 17, 2021 – May 19, 2021
Undetected for: 2 daysoccurrence → discovery
Materiality determined: —
Notification sent: Jun 18, 2021
Affected individuals: 334,690state + nationwide
Data types: Identity (basic)Government IDPII
Data elements: NameSocial Security numberDate of birth
WA-stated cause: Unauthorized Access
WA-stated duration: lifecycle 1-99dexposure 1-99d
WA-stated discovery: Found while ongoingContained same day
Attack vector: Unauthorized Access
MITRE ATT&CK: T1078 Valid AccountsT1119 Automated Collection
Threat actor: External
Regulator citations: Notified Washington Attorney GeneralNotified Ohio Department of Medicaid (ODM)Notified appropriate law enforcement

During the incident: Isolated the affected server
Engaged a leading digital forensics firm to assist with an investigation
Notified appropriate law enforcement
Notified the Ohio Department of Medicaid (ODM)
Notified the national credit reporting agencies
Changes made: Reviewed its existing server configurations and security processes
Made changes so it should not happen again
Offered 24 months of credit monitoring and identity protection services through Experian
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: WA AG ≤30d
Discovery-date grounding: AG web formThe discovery date came from the AG web-form field, which is systematically later than the detection date stated in the letter. Treat the clock as indicative.

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

Indiana State AG+168d

Maine State AG+168d

Washington State AG+168d · this page

Massachusetts State AG+173d

Oregon State AG+173d

California State AG+173d

South Carolina State AG+176d

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://agportal-s3bucket.s3.amazonaws.com/databreach/BreachM10486.pdf
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Jun 18, 2021
Raw hash: db867efb7d0c6e1229b9353289436ef1faa58d675373f36aa4a2ea7f4d54f13d

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityHOGAN LOVELLS US LLP

Victim entityMAXIMUS, Inc.

Incidentdiscovered May 19, 2021

Stated responseIsolated the affected server

ComplianceWA AG ≤30d

Extraction provenanceno artifact recorded

Source provenanceagportal-s3bucket.s3.amazonaws.com