Personal Protection Device Maker, Sellmark, Hit in Cyberattack

January 9, 2026

INCIDENT

Personal protection device manufacturer, Mansfield, Texas-based Sellmark Corporation suffered a cyberattack this past March and is now letting victims know about the hack.
“Sellmark Corporation identified and addressed a cybersecurity incident involving unauthorized access to its computer network,” the company said in a notice to victims. “When Sellmark first identified this activity, it immediately took measures to secure its systems and launched an investigation with the help of a cybersecurity firm.”
Sellmark also reported the incident that occurred March 10 to law enforcement, including the FBI. Through the investigation, Sellmark learned an unauthorized actor accessed its network and obtained copies of certain documents from its servers.

Incident Date

March 10, 2025

Estimated Cost

Unknown at this time

Type of Malware

No Malware identified

Threat Source

No threat source identified