When discussing sensitive or confidential information in public, it must always be premised on legality and ethics. The following are some suggestions to help protect information security, but it should be noted: Any confidential information (such as state secrets, trade secrets, etc.) that involves legal definitions should strictly comply with relevant laws and regulations and avoid discussion in unauthorized places. --- ###**Precautions：** 1. **Assess environmental risks** - Avoid areas with large flow of people or surveillance (such as security checkpoints, under cameras). -Pay attention to whether there are suspicious people around (such as repeated approach or use of electronic equipment). - Avoid discussing in environments with poor sound insulation (such as elevators and narrow corridors). 2. **Use vague communication methods** -Replace key information with code names or vague terms (for example, use ”Project A" instead of the specific name). -Avoid direct mention of sensitive details (time, place, people) and use indirect expressions instead. -Lower the volume to ensure that the conversation is only heard by the necessary participants. 3. **Avoid leaving traces** -Do not carry paper documents, electronic equipment, or identification items (such as work permits). -If you need to record, use encryption tools or temporary memory, and transfer to a secure environment immediately afterwards. 4. **Use technical means** -Use end-to-end encrypted communication tools (such as Signal, specific security software). - Turn on the anti-eavesdropping function (such as a white noise jammer, but pay attention to legal restrictions). -Public Wi-Fi and Bluetooth devices may be monitored, it is recommended to turn off. 5. **Distracting** -Intersperse sensitive conversations with irrelevant topics (such as small talk, daily affairs). - Maintain natural behavior and avoid frequent observation of your surroundings or showing tension. 6. **Make emergency plans in advance** -Agree on a code or gesture to terminate the discussion immediately when a risk is discovered. -If you notice an abnormality (such as being recorded or tracked), stop the conversation and contact the security department. --- ###**Important reminder：** -**Legality takes priority**: The content of the discussion must comply with laws and professional ethics, and illegal activities are prohibited. -**Minimize public discussion**: Confidential information should be handled in a safe place as much as possible, and public places are the last choice. -**Sense of responsibility**: If information leakage may endanger others or the public interest, the necessity of communication must be re-evaluated. --- In any case, the highest principle for protecting information security is compliance with laws and organizational norms. If you have any questions, it is recommended to consult a professional security or legal team.