Nikkei Asia: Japan’s Self-Defense Forces used USB drives containing a China-linked virus on computers with access to classified information for nearly a year, then elected not to disclose the matter even though similar memory sticks were widely available online, a Nikkei investigation has revealed.
…An internal investigation uncovered six infected USB drives. Of the roughly 480 computers investigated, more than 50 had been connected to the infected drives at some point.
Nearly half those computers were linked to closed systems that handle highly classified information like unit command and control…