2026 McDermott Will & Schulte — confirmed cyber breach; law enforcement notified
Data compromised
Sensitive client and personal information holdings referenced; specific data elements and national count not published in open Reuters/Law360 summaries at catalog time
Technical writeup
Verified firm confirmation via Reuters and Law360 — September 3, 2026. McDermott Will & Schulte said it suffered a recent data breach and notified law enforcement, reported the same day as Quinn Emanuel’s disclosure. Attribution and whether the two incidents are related remain unclear in open coverage. National count and full data types not published at catalog time. Distinct from McDermott International (energy) catalog entities. recordsAffected 0; companyConfirmed true.
Root cause
Cybersecurity incident / data breach (firm confirmation via Reuters; vector not detailed in open coverage)