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Listed on a ransomware leak site

signatureperformance.com

signatureperformance.com

signatureperformance.com was listed on the Dispossessor and Medusa leak site on Feb 26, 2024. Brandefense has recorded 2 separate claims against it. Information as of Oct 19, 2026.

Country: UnknownIndustry: Healthcare
Updated continuously · figures as of Oct 19, 2026
Claimed by
Dispossessor, Medusa
First listed
Feb 26, 2024
Claims recorded
2

2 Leak-Site Claims.

DispossessorConfirmed claim
Posted on the leak site
Date not shown
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
The company Signature Performance is dedicated to transforming healthcare administration by lowering healthcare administrative costs and burdens.
MedusaConfirmed claim
Posted on the leak site
Feb 26, 2024
Collected by Brandefense
Jul 11, 2025
Data claimed
Not stated
Leak-site post text, written by the group
signature performance (signature) is a leading provider of healthcare administrative solutions and services. the company was created in 2004, at present the staff of the arts are more than 1250 people. signature performance corporate office is located in 10250 regency cir ste 500, omaha, nebraska, 68114, united states. links below are the preview of first part of files and download link. [removed] [removed]

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Figures as of Oct 19, 2026. Confirmed leak-site claims collected by Brandefense technologies and validated by Brandefense analysts.

Listed on a leak site means a ransomware group has claimed the company; it is not a confirmed breach. To request a correction or removal, contact Brandefense.