The insomnia ransomware group listed The Syverson Group on its data leak site on 2026-02-13. Country: US Sector: Professional Services Domains named: www.thesyversongroup.com Claim as published on the leak site: TSG is a retained executive search firm specializing in medical device and life sciences recruiting. They deliver rapid, client and candidate-focused talent acquisition—including diagnostics, clinical research and leadership placement.