AccidentalProfessional ServicesProfessional ServicesMisdeliveryCustomer Data InvolvedEmployee Data InvolvedGovernment IDIdentity (basic)Financial accountEmploymentMediumResolved

Nous Research

bd_35a46f9e0d58544b · schema v1 · pii pii-v2

Severity

Medium

Discovered

Aug 10, 2026

Filed

Aug 1, 2026

To disclose

—

Affected

Not disclosed

Confidence

66%

Full breach record for Nous Research →

Leap District Advisors, a service provider for Nous Research, Inc., inadvertently sent employees' 2025 W-2 forms to an unauthorized external recipient on August 10, 2026. The exposed data included names, addresses, Social Security numbers, wages, and tax withholdings. Leap notified Nous, the IRS, and affected individuals, and is providing 24 months of credit monitoring and fraud assistance via TransUnion.

J jump to incidentP pin to compareR raw source

Incident timeline — partial

? — ?

Breach window unknown

Aug 1, 2026

Filed

—

No filing yet · watching

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

Tracked as a single-filing incident — the only disclosure on record for this event so far.ConfirmedView incident

Name: Leap
norm: leap
Domain: app.jobprogress.com

Name: Nous Research
norm: nous research
Domain: nousresearch.com
Industry: Professional Servicesllm

Discovered: Aug 10, 2026
Breach occurred: Aug 10, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: Aug 27, 2026
Affected individuals: Not disclosed
Data types: Government IDIdentity (basic)Financial accountEmployment
Attack vector: Unknown
Regulator citations: Notified the Internal Revenue Service (IRS)
Third party: via Leap District Advisors

During the incident: Investigated the incident
Notified Nous Research, Inc.
Implemented additional safeguards to help prevent similar incidents
Notified the Internal Revenue Service (IRS)
Completed a thorough internal review
Reinforced with staff the importance of safeguarding information
Providing complimentary access to Single Bureau Credit Monitoring/Single Bureau Credit Report/Single Bureau Credit Score services for 24 months
Providing complimentary, proactive fraud assistance through TransUnion
Changes made: Reviewing existing security policies
Reinforced with staff the importance of safeguarding information in its possession
Source: Quoted from the filing itself, not independently verified.

Compliance flags: — (clock not assessable for this source)

Status: No extraction artifact recorded for this disclosure.

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/2026-1452-leap-district-advisors/download
DisclosureLens links to the originating regulator URL — full filing bodies are not redistributed from public surfaces (§4.5).
Filed at: Aug 1, 2026
Raw hash: f4af48445aee26095ec805514db88e97b6d38808326ada46b52c7a1dbff41e27

Reporting entityLeap

Victim entityNous Research

Incidentdiscovered Aug 10, 2026

Stated responseInvestigated the incident

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov