Cyber fraud is a type of fraud that uses the Internet to send false information through emails, chat software, social media, and other channels to trick the victim into providing sensitive information such as personal information, bank transfers, passwords, and so on to achieve illegal purposes. There are many types of online scams, including but not limited to the following: 1. E-mail fraud: By sending fake winning information, recruitment information, enrollment information, etc. through e-mail, the victim's personal information and money are defrauded. 2. Phishing: Swindlers trick victims into entering their personal information and passwords by disguising themselves as staff of banks, websites, and other institutions to steal the victim's property. 3. False information advertisements: Swindlers use social media, search engines and other channels to publish false advertisements to promote some unrealistic goods or services to cheat the victim of money. 4. Fraud: Swindlers pretend to be police, banks and other institutions to defraud victims of money through telephone calls, text messages, etc. 5. Internet hacking: Swindlers steal the victim's personal information and property through hacking, causing serious losses. In order to prevent online scams, we should be vigilant and not trust strangers easily. Pay attention to protecting personal information and passwords. Don't click on links and download attachments at will. Don't trust information from unknown sources easily. At the same time, we should also improve our network security awareness, learn network security knowledge, and strengthen our own defense ability.