Resolving actor's identity is imperative in many online systems. Misunderstanding of your actors' identity means that you may be confusing bots with people, mistakenly resolving an individual actor as several different other actors, mislead by multiple identities which are actually the same actor and many more. These misunderstandings may well be wreaking havoc in your analytics be it by wrong visualization or by introducing noise to your statistical models. We will learn a strategy to try and mitigate this problem and how this strategy fits into a broader security system.