The m3rx ransomware group listed anvilarts.org.uk on its data leak site on 2026-04-29. Country: GB Sector: Retail & E-Commerce Domains named: anvilarts.org.uk Claim as published on the leak site: Anvil Arts is the largest performing arts organization in Hampshire, operating as an independent charitable trust. It manages three venues in Basingstoke, including The Anvil and The Haymarket, providing a diverse range of performances and cultural events. Stolen: 480gb 299k files