Tekni-Plex, Inc. Data Breach Affects Personal Data

Tekni-Plex, Inc., a global manufacturer specializing in packaging materials and medical tubing, experienced a major data breach. The incident was a ransomware attack carried out by the RansomHub group, who claimed responsibility on their dark web portal.

Dec. 13, 2024, RansomHub announced they had obtained 424 GB of Tekni-Plex’s data and threatened to publish it within 10 days, sharing sample screenshots as proof. The cyberattack compromised both personally identifiable information (PII) and protected health information (PHI) belonging to individuals in multiple states.

Exposed information included names, Social Security numbers, financial account details, medical information, and health insurance information. The data breach is considered severe and puts affected individuals at risk for identity theft and fraud.

TekniPlex began notifying affected individuals by mail on Sept. 24, 2025. The cybersecurity incident was also disclosed to multiple state authorities between Sept. 24, 2025 and Sept. 26, 2025.

For more information, individuals can review the official notices filed with the Maine Attorney General, Massachusetts Attorney General, Texas Attorney General, Montana Attorney General, New Hampshire Attorney General, Washington Attorney General and Vermont Attorney General. Affected individuals includes at least 970 people in Texas, 525 Washington residents, 57 in Massachusetts and six Montana residents.

Tekni-Plex, Inc.'s response

In addition to required state and federal disclosures, TekniPlex is offering affected individuals 24 months of free credit monitoring and identity theft protection through IDX. Enrollment instructions and unique codes were provided in the notification letters, and the deadline to enroll is Dec. 24, 2025.

Given that the breach was a ransomware attack, it is important for affected individuals to:

• Sign up for the free IDX credit monitoring and identity theft protection services, offered by the company.
• Monitor your credit reports and financial accounts for any unusual activity.
• Be alert for phishing emails or phone calls that may use your exposed information.
• Consider placing a fraud alert or credit freeze with major credit bureaus.

For more information about the company, visit the Tekni-Plex website.