My first step would be to assess the situation to understand the context and potential risks involved. If it was safe to do so, I would approach the individual calmly and respectfully to remind them of the security protocols and the importance of following them for everyone's safety. If the behavior continued or posed a serious risk, I would escalate the issue to a supervisor or the appropriate security personnel. It’s essential to address such situations promptly to maintain a secure environment and ensure that everyone is aware of and adheres to the established security guidelines. Ultimately, fostering a culture of safety and accountability is key, and I would encourage open communication about security practices among the team.