Chinese hackers recently hacked into the computers of the National Aeronautics and Space Administration (NASA). It is reported that they copied, edited and deleted files with sensitive information. When they finished they erased all their digital footprints, making it impossible to find them. Clearly, NASA needs to up its digital security as this is not the first time such an incident occurred. According to f3v3r magazine, NASA was hacked 11 times in 2011.