You're Donald Trump's sysadmin. You've got data leaks coming out the *ss. What to do

Sysadmin Blog Imagine yourself as Donald Trump's sysadmin. Trump's first month as President of the United States of America has been notable for the number of information leaks that have occurred. Trump has called these leaks criminal and seems intent on rooting out whistleblowers. Some poor sysadmin is going to be told to prevent these leaks, but just how possible is that in today's world?"