Also makes components for chips, displays, and hard disks, and has spent four days groping for a fix

If ever there was an incident that brings the need for good infosec into sharp focus, this is the one: Japan’s Hoya – a maker of eyeglass and contact lenses, plus kit used to make semiconductor manufacturing, flat panel displays, and hard disk drives – has halted some production and sales activity after experiencing an attack on its IT systems.…