How do you recognize a security policy violation

Q1. How do you recognize a security policy violation? Please, list and explain 3 Security policy violations that had occurred in your organization or organization you know.

Q2. As a leader of an incident Planning Team in your organization, please, outline and describe steps your organization could take to manage security policy violations before it occurs.

Note: Please, avoid using definitions as a way of describing a concept instead provide an example. I suggest using practical examples when describing an event and if you can; use a scenario.  

All papers must conform to APA . Please, avoid plagiarism by citing correctly and referencing your citations accordingly.