The lockbit3 ransomware group listed knvb.nl on its data leak site on 2023-04-14. Country: NL Sector: Retail & E-Commerce Domains named: knvb.nl, 305gb.the Claim as published on the leak site: 305gb.The Royal Dutch Football Association is the governing body of football in the Netherlands. It organises the main Dutch football leagues, the amateur leagues, the KNVB Cup, and the Dutch men's and women's national teams.