Middlesex Appraisal Associates

Middlesex Appraisal Associates was compromised in a ransomware attack attributed to qilin in October 2025. The organization, operating in the Business Services sector in United States, was added to the group's data leak site as part of an extortion campaign.

qilin 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.

Middlesex Appraisal Associates, USA - provides appraisal services in Eastern Massachusetts in Middlesex, Essex, Suffolk, Norfolk, Worcester, and Plymouth counties. Founded in 1992, the company provides appraisal and consulting services utiliz ...

Intelligence correlations link this incident to 1 vulnerability(ies) including CVE-2026-0257, which may have been leveraged as initial access vectors or for lateral movement.