The lynx ransomware group listed CSA Tax & Advisory on its data leak site on 2025-12-26. Country: AU Sector: Financial Services Domains named: www.csataxadvisory.com Claim as published on the leak site: CSA Tax & Advisory is a licensed accounting firm based in Haverhill, MA, specializing in a wide range of services including personal financial planning, estate planning, and tax services. They cater to business owners, executives, and independent professionals, providing solutions for accounting, payroll, and tax problems. The firm is known for its professional and responsive service, ensuring each client receives personalized attention. With over 75 years of experience, CSA Tax & Advisory aims to help clients navigate complex tax laws and improve their financial well-being