Russian, Chinese, Israeli or US government? That said, whoever inserted this may have used a stealthy method so no tracks can be found, although one would expec

Russian, Chinese, Israeli or US government? That said, whoever inserted this may have used a stealthy method so no tracks can be found, although one would expect version backups will leave some tracks - UNLESS THOSE TRACKS WERE ERASED. I would expect exhaustive real time backups, off site, might be in use, so any tracks get frozen in time,,,.and can not be erased. Some sort of detailed search must be underway as we speak...