AccidentalProfessional ServicesProfessional ServicesMisdeliveryCustomer Data InvolvedHealth (basic)Identity (basic)Government IDHighContained

McDermott Will & Schulte LLP

bd_f17050826af0f2a4 · schema v1 · pii pii-v2

Severity

High

Discovered

May 7, 2026

Filed

Aug 1, 2026

To disclose

—

Affected

1,658state residents only

Linked

4 filings

Confidence

69%

Full breach record for McDermott Will & Schulte LLP →4 incidents on file

On May 7, 2026, McDermott Will & Schulte LLP inadvertently provided copies of a limited number of documents containing personal information to an unauthorized person. The firm launched an investigation with third-party experts and notified law enforcement. Affected individuals may have had name and government ID data (passports, driver's licenses) exposed. The firm is offering two years of identity monitoring via Kroll and assistance with passport and driver's license replacements.

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Incident timeline

May 7, 2026

Begins

May 7, 2026

Discovered

Aug 1, 2026

Filed

This filing is one of 4 filings about the same incident.View merged incident

Linked disclosures

Why this link?

Regulatory filings (3) · sorted by filing gap

HHS OCRbd_15e2d651018765582026-08-26 · +25dCandidate
Vermont State AGbd_3d1ce753ee092d772026-08-28 · +27dVerified
Indiana State AGbd_643b79806a6ecf672026-08-28 · +27dVerified

Name: McDermott Will & Schulte LLP
norm: mcdermott will schulte
Domain: mcdermottlaw.com

Name: McDermott Will & Schulte LLP
norm: mcdermott will schulte
Domain: mcdermottlaw.com
Industry: Professional Servicesllm

Discovered: May 7, 2026
Breach occurred: May 7, 2026
Undetected for: 0 daysoccurrence → discovery
Materiality determined: —
Notification sent: —
Affected individuals: 1,658state-resident count only
Data types: Health (basic)Identity (basic)Government ID
Attack vector: Unknown

During the incident: Launched a comprehensive investigation with the assistance of third-party cybersecurity experts
Notified law enforcement
Engaged Kroll to provide complimentary identity monitoring services for two years
Engaged CIBT to assist with US passport replacement services
Offered reimbursement for driver's license replacement costs
Changes made: Updated administrative and technical safeguards
Provided additional cybersecurity training for personnel
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.

Filing propagation · 4 filings · 4 states

View merged incident ↗

Massachusetts State AGAug 1 · first · this page

HHS OCR+25d

Vermont State AG+27d

Indiana State AG+27d

Pattern: first filing Aug 1 (MA), last Aug 28 (IN) — a 27-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.mass.gov/doc/2026-1454-mcdermott-will-schulte-llp/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: 9820205589077bcebd365090c2e6ad5bfcf4de52cfaf01f0bc52c19a3b0c0e49

Linked disclosures

Regulatory filings (3) · sorted by filing gap

Reporting entityMcDermott Will & Schulte LLP

Victim entityMcDermott Will & Schulte LLP

Incidentdiscovered May 7, 2026

Stated responseLaunched a comprehensive investigation with the assistance of third-party cybersecurity experts

Complianceclock not assessable

Extraction provenanceno artifact recorded

Source provenancewww.mass.gov