with the international space station for a few hours. six astronauts up there, two of them americans. the space agency claims fight controllers in houston were updating software on board that station when there was some sort of data system malfunction and mission control was able to communicate only with the iss crew as it flew over russia. nasa fixed the problem in a few hours. before the outage an astronaut on board the station station actually tweeted and i quote, good morning earth. today we transition the space station s main computers to a new software load. nothing could possibly go wrong. security experts have traced more than 100 coordinated computer hacks against u.s. organizations. they say all signs point to the chinese military as the guilty party. from one building, think of what is at risk here. we will lay it out for you . next.