Iran hit by global cyber attack that left U.S. flag on screens 4/8/2018 3:47:01 PM   facebook Google+ ► Print A man types on a computer keyboard in front of the displayed cyber code in this illustration picture taken on March 1, 2017 DUBAI (Reuters) April 7, 2018  - Hackers have attacked networks in a number of countries including data centers in Iran where they left the image of a U.S. flag on screens along with a warning “Don’t mess with our elections”, the Iranian IT ministry said on Saturday.  “The attack apparently affected 200,000 router switches across the world in a widespread attack, including 3,500 switches in our country,” the Communication and Information Technology Ministry said in a statement carried by Iran’s official news agency IRNA. The statement said the attack, which hit internet service providers and cut off web access for subscribers, was made possible by a vulnerability in routers from Cisco (CSCO.O) which had e...