🇺🇸 United States – CSA Tax & Advisory (CSA)

Keypoints

• The CSA Tax & Advisory firm was attacked by the Lynx ransomware group.
• The breach exposed sensitive client information such as SSNs and income tax returns.
• The attackers added the firm’s data to their leak site on December 26, 2025.
• Compromised data includes personal addresses, phone numbers, and IRS forms.
• The firm has over 75 years of experience in financial and tax services.