Southwire Confirms Data Breach Exposing Employee Health and Identity Records
Unauthorized actors accessed files on the wire and cable manufacturer’s systems over a three-month period, compromising sensitive personal data.
- By Jesse Jacobs
- Nov 12, 2026
Wire and cable manufacturer Southwire Company LLC is notifying health plan participants that an unauthorized third party compromised personal and medical information on its network.
According to a notice from the Southwire Company and Affiliates Employee Health & Welfare Plan, the company detected unusual network activity on Jan. 29. Southwire secured its systems and retained third-party cybersecurity specialists to investigate.
The investigation determined an unauthorized party acquired files from Southwire's systems between November 2025 and January 2026. Following a review of the files, the company determined in late October that the exposed records varied by individual and may have included names, Social Security numbers, dates of birth, home addresses, health plan numbers and medical information.
The Plan stated it is unaware of any misuse of the compromised data. Affected individuals are being notified by mail and offered 24 months of complimentary credit monitoring and identity protection services.
Southwire said it has enhanced its technical and administrative controls to reduce future risk. Individuals with questions can call 833-931-3700, Monday through Friday from 8 a.m. to 8 p.m. CT, referencing engagement number B175949.