HackingHacking OtherCustomer Data InvolvedIdentity (basic)Government IDCriticalContained

MAXIMUS, Inc.

bd_c0f90fe419cd58bf · schema v1 · pii pii-v1

Severity

Critical

Discovered

May 19, 2021

Filed

Jun 18, 2021

To disclose

4 weeks

Affected · nationwide

334,690886 in this filing

Linked

9 filings

Confidence

50%

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

Maximus, Inc. experienced an external system breach (hacking) between May 17, 2021, and May 19, 2021. The breach was discovered on May 19, 2021. The incident affected 886 Maine residents, compromising their names and Social Security numbers. In response, Maximus is offering two years of credit monitoring and identity protection services through Experian.

J jump to incidentP pin to compareR raw source

Maine clockDiscovered May 19, 2021 → Filed with AG Jun 18, 202130d ✓ ME 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

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
Washington State AGbd_340e22bbd5965c2e2021-06-18Verified
Indiana State AGbd_50f3609197b402ce2021-06-18Verified
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: MAXIMUS, Inc.
norm: maximus
Domain: maximus.com

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

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 ID
Data elements: Social Security number
Attack vector: Unauthorized Access
Threat actor: External

Changes made: Offered credit monitoring and identity protection services for two years through Experian.
Source: Quoted from the filing itself, not independently verified.

Time to disclose: 4 weeks(30 days from discovery to filing)
Compliance flags: ME AG ≤30d · 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.
Clock breakdown: Statute Window Elapsed Threshold Status
Maine
Discovered: May 19, 2021
→ Filed with AG: Jun 18, 2021
30d 30 days ME AG ≤30d

Statute	Window	Elapsed	Threshold	Status
Maine	Discovered: May 19, 2021 → Filed with AG: Jun 18, 2021	30d	30 days	ME AG ≤30d

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 · 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://www.maine.gov/agviewer/content/ag/985235c7-cb95-4be2-8792-a1252b4f8318/4147b711-dc88-4cb4-9561-db9069994341.shtml
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: 6eeca8c9953e3fce1a28c8e1abafdfb2293b96dd349e18ba67209199a9353257

Linked disclosures

Regulatory filings (8) · sorted by filing gap

Reporting entityMAXIMUS, Inc.

Victim entityMAXIMUS, Inc.

Incidentdiscovered May 19, 2021

Stated responseOffered credit monitoring and identity protection services for two years through Experian.

ComplianceME AG ≤30d

Extraction provenanceno artifact recorded

Source provenancewww.maine.gov