The chances of the type of skullduggery you describe happening are so infinitesimally small as to be not worth ever worrying about . And just because there ' s no external proof what does that even mean ? doesn ' t mean there ' s no proof which is definitely a thing . Thing is , if law enforcement finds illegal content on a website posted by a user , they ' re still going to go to the website first because they are the most easily identifiable entity involved . And there will be an accessible record of the change , and it will be accompanied by identifying information that will correspond with an inhouse address . It doesn ' t matter who you are or what you do , if you create data and then transmit it , it can eventually be traced back to you given enough will .