When discussing confidential information in public, you do need to be cautious to avoid arousing suspicion or potential information leakage. Here are some things to note: 1. **Choose a suitable environment**: Try to avoid discussing confidential information in places where people are coming and going. If it is necessary to discuss in public, choose a more private area, such as a corner away from the crowd or a quieter coffee shop. 2. **Control the volume and speed**: Lower your voice and don't let the conversation be heard by people around you. The speaking speed should also be moderate to avoid raising your voice due to nervousness. 3. **Vague keywords**: You can use code names or vague expressions during discussions, and avoid using sensitive terms or specific names directly to reduce the risk of being misunderstood. 4. **Observe the surrounding situation**: Pay attention to the reactions and behaviors of people around you. If you find someone listening or paying attention, you can take the initiative to change the topic or end the conversation. 5. **Limit the number of people involved**: Make sure the people participating in the discussion are trustworthy, and try to avoid unnecessary people from hearing the discussion. 6. **Arrange the topic in advance**: Determine the general topic and boundaries of the discussion before the discussion, and avoid discussing too many details to reduce risks. 7. **Use mobile phones or other devices for private communication**: If sensitive information must be discussed, consider using encrypted communication tools for private communication instead of talking directly in public. 8. **Be prepared to interrupt at any time**: If you feel that the environment is not right or something special has arisen, be prepared to interrupt the discussion, change the topic or leave the scene at any time. 9. **Avoid repeated mentions**: Try to minimize repeated discussions of the same confidential information to reduce the risk of being recorded or stolen by others. By taking these precautions, confidential information can be protected to a certain extent and avoid arousing suspicion in public.