During the normal course of your day look around at your surroundings and detect potential security flaws. For example:
At a public paid event (e.g. concert or sporting event) , how could someone gain access to a restricted area or free entry.
Write 4-6 paragraphs about the weakness you detected:
1.Explain the weakness and what makes it a weakness. You don't have to name the organization or specific location.
2.Details about how it could be exploited.
3.Your opinion on how it could be fixed or mitigated