Mercury Strengthens and Streamlines Access Control Expansion with New S4 I/O Modules

The secure-by-design platform strengthens resilience and lets organizations expand capacity while protecting existing investments Cardiff, UK, September 2, 2026 – Mercury Security, a global leader in open architecture access control hardware and an HID brand, today announced its Mercury S4 I/O Module family. The new generation of intelligent modules is designed to help organizations moderniz...