The rhysida ransomware group listed Best Collateral, Inc. on its data leak site on 2025-03-05. Country: US Sector: Financial Services Domains named: bestcollateral.com Claim as published on the leak site: Best Collateral, Inc. Headquartered in San Rafael, California, Best Collateral opened its first store in 1903 in San Francisco and provides financial services to individuals, families and small businesses.