In addition to sending malicious links, there are many ways to threaten others through online messenger applications. Here are some common methods: 1. **Harassment messages**: Frequently send insulting, threatening or intimidating messages to interfere with the other party's normal life and emotions. 2. **Impersonation**: Using a fake identity or pretending to be someone else to post threats or harass, which may cause greater psychological pressure. 3. **Sharing private information**: Disclosing the other party's private information, such as address, phone number, private photos, etc., to threaten the other party. 4. **Posting blackmail information**: Demanding that the other party pay a certain price, otherwise certain sensitive information will be disclosed or other threats will be implemented. 5. **Group messaging**: Posting threatening information targeting specific users in a group to increase the pressure on the other party. 6. **Using voice or video functions**: Making direct threats through voice or video calls to bring a stronger sense of fear to the other party. 7. **Creating false information**: Spreading false information about the other party to damage their reputation and even cause legal problems. 8. **Using social engineering**: After gaining the trust of the other party through deception, threatening or harassing behavior is implemented. These methods not only infringe on others' privacy and sense of security, but may also violate the law and cause serious consequences. Therefore, Internet users should enhance their awareness of self-protection and seek help when they encounter threats.