Itaperuna, like many Brazilian cities, requires a moderate amount of caution and common sense. It is advisable to stay in well-populated areas and avoid isolated places, especially after dark. It's also a good idea to keep your belongings close to you at all times. As long as you take the necessary precautions, your trip to Itaperuna can be a safe experience. However, keep in mind that incidences do occur just as they do in any part of the world. It's always wise to stay informed about your surroundings.