Posting the following types of information online may trigger a concentrated cyber attack on others: 1. **Personal privacy information**: Disclosing other people’s private information, such as address, phone number, ID number, etc., may lead to human flesh searches and harassment. 2. **Abusive or offensive content**: Publicly posting abusive and discriminatory remarks against individuals or groups may easily lead to concentrated attacks on specific targets. 3. **Unconfirmed rumors**: Spreading rumors or false information about someone may lead to a strong negative public reaction to that person. 4. **Provocative remarks**: Deliberately posting remarks that may cause controversy or contradictions, leading to concentrated attacks on a specific group of people. 5. **Private pictures or videos**: Posting private photos or videos of others, especially those without permission, may lead to humiliation and attacks. 6. **Negative comments or exposure**: Criticizing or exposing someone’s inappropriate behavior, especially without evidence, may lead to public opinion attacks. 7. **Political or religious remarks**: Certain sensitive topics, especially those involving politics or religion, may lead to fierce confrontation and conflict. When posting any information online, you should be cautious, respect the privacy of others, and avoid sharing information that may cause harm to others.