Russian Metro System Hacked in Security Breach.

A personal computer in Russia was used to breach Metro’s computer network earlier this year after the transit agency repeatedly was warned that cybersecurity deficiencies left its systems open to information theft and national security threats, according to a report released Wednesday. The inspector general’s report surfaced deep-rooted problems that the watchdog’s officials say hinder security upgrades and leave the transit agency open to attacks that could threaten train safety. At risk is the nation’s third-largest transit system, responsible for transporting more than 600,000 people a day around the nation’s capital.