The interlock ransomware group listed Swartz Campbell on its data leak site on 2025-12-22. Country: US Sector: Professional Services Domains named: www.swartzcampbell.com Claim as published on the leak site: Swartz Campbell LLC is a law firm with multiple locations across the East Coast specializing in areas including class action, employment, medical malpractice, and divorce. The law firm was founded in 1921 and is headquartered in Philadelphia, Pennsylvania.