The qilin ransomware group listed simmons-Boardman Publishing, Inc on its data leak site on 2025-06-30. Country: US Sector: Professional Services Domains named: simmonsboardman.com Claim as published on the leak site: Simmons-Boardman Publishing Corporation is one of the oldest, most well-respected, privately held B2B publishers. Our diverse portfolio of print and digital products includes magazines, books, directories, email newsletters, conferences, webs ...