UnknownTechnologyInformationGovernment IDMedium

Rectangle Health

bd_8558768083cd9cbd · schema v1 · pii pii-v1

Severity

Medium

Discovered

—

Filed

Oct 8, 2025

To disclose

—

Affected

43state residents only

Linked

7 filings

Confidence

95%

Full breach record for Rectangle Health →

Rectangle Health reported a data breach to the Massachusetts Office of Consumer Affairs and Business Regulation. The breach was reported on 2025-10-08. 43 Massachusetts residents were affected.

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Massachusetts clock✓ MA credit monitoring due

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

Incident timeline — partial

? — ?

Breach window unknown

Oct 8, 2025

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 7 about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (6) · sorted by filing gap

Indiana State AGbd_37b9232200ff883b2025-10-08Verified
Montana State AGbd_396a03c05a84425e2025-10-08Candidate
Vermont State AGbd_6ae1999fbf53d01f2025-10-08Verified
New Hampshire State AGbd_a237bd270bf207182025-10-08Verified

Show 2 more filings ↓

Maine State AGbd_c7f48cbd2ba22cde2025-10-08Verified
Nebraska State AGbd_df7e67ac56c2cff32025-10-08Verified

Name: Rectangle Health
norm: rectangle health

Name: Rectangle Health
norm: rectangle health
Industry: Technologyregulator portal

Discovered: —
Materiality determined: —
Notification sent: —
Affected individuals: 43state-resident count only
Data types: Government ID
Data elements: Social Security number
Stated not affected: Medical informationFinancial account numberDriver's licence numberPayment card number
The filing states these were not involved. Categories absent from both lists were not addressed either way.
Attack vector: Unknown

Compliance flags: MA credit monitoring due
Discovery-date grounding: no discovery dateNo discovery date was extracted, so no notification clock can be evaluated.

Status: No extraction artifact recorded for this disclosure.

Filing propagation · 7 filings · 7 states

View merged incident ↗

Indiana State AGOct 8 · first

Montana State AGOct 8 · first

Vermont State AGOct 8 · first

New Hampshire State AGOct 8 · first

Maine State AGOct 8 · first

Nebraska State AGOct 8 · first

Massachusetts State AGOct 8 · first · this page

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.mass.gov/doc/data-breach-report-2025/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Oct 8, 2025
Raw hash: af5583ad3b664f04977661b7c9ce2a38d1732e6f13c076f32df2989c047a7490

Linked disclosures

Regulatory filings (6) · sorted by filing gap

Reporting entityRectangle Health

Victim entityRectangle Health

IncidentUnknown

ComplianceMA credit monitoring due

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov