What Is This About?

According to dark web monitoring sources, Columbia Orthopaedic Group, L.L.P. of Missouri may have experienced a data breach claimed by the ransomware group Lockbit5. Our firm is investigating this matter and would like to speak with current and former patients of Columbia Orthopaedic Group.

What Happened?

On May 25, 2026, Columbia Orthopaedic Group, may have been targeted by the ransom group Lockbit5, according to monitoring website Ransomware.live. Lockbit5 posted an entry to its dark web site on May 25, 2026 listing Columbia Orthopaedic Group as an alleged victim of a cyberattack by the group. As of publication, the alleged security incident remains unconfirmed by Columbia Orthopaedic Group. Details about the alleged breach, such as the scope of the unauthorized access, the types of information affected, and whether any files were exfiltrated are under investigation.

What Information Was Impacted?

At this time, the full scope of any exposed information is not publicly confirmed. As a healthcare provider allegedly targeted by a ransom group, the following types of sensitive personal and protected health information from Columbia Orthopaedic Group may be involved:

• • • • • • • • • • • • Full names;
                      • Dates of birth;
                      • Information about patient condition, care, diagnosis, or other medical information;
                      • Social Security numbers; and
                      • Health insurance information.

What Action Can You Take?

Levi & Korsinsky, LLP is investigating whether affected individuals are entitled to compensation. If you are current or former patient of Columbia Orthopaedic Group, L.L.P., there is no cost or obligation to participate. Follow the link below to find out about your rights and potential legal remedies available.