US BioTek Laboratories
Attack Intelligence
US BioTek Laboratories was compromised in a ransomware attack attributed to killsec3 in October 2025. The organization, operating in an undisclosed sector in Unknown, was added to the group's data leak site as part of an extortion campaign.
killsec3 operates as a financially motivated ransomware-as-a-service (RaaS) operation, exfiltrating sensitive data and threatening public disclosure to pressure victims into paying ransom demands.
Headquartered in Shoreline, Washington, US BioTek Laboratories, Inc. is a Clinical Laboratory Improvement Amendments (CLIA) accredited testing facility that provides a variety of immunology and chemistry profiles to clinicians worldwide. With over 30 years' experience in enzyme-linked immunosorbent assay technology, our dedicated team of experienced scientists and technicians utilize the latest research and technologies.