The mnt6 ransomware group listed McKay on its data leak site on 2026-04-30. Country: NZ Sector: Manufacturing Domains named: mckay.co.nz Claim as published on the leak site: McKay is a leading international engineering firm that delivers strategically vital projects across national defense, high-tech shipbuilding, and global energy sectors. The company serves as a key technological partner to the state, implementing innovative automation systems and 'green' solutions for critical infrastructure. [Revenue: $135.8M]