1.** Authentication * *: Schools or educational institutions should adopt reliable authentication methods to ensure that only legitimate students or teachers can participate in online classes. This can be achieved by using the user name and password issued by the school or institution of the student or teacher for identity authentication.
2.** Encrypted communication * *: Schools or educational institutions should use encrypted communication to protect sensitive information in online courses. This can be achieved by using secure video conferencing software or an encrypted online teaching platform.
3.** Prevention of cyber attacks * *: Schools or educational institutions should take measures to prevent cyber attacks, such as DDoS attacks and phishing. This can be achieved by using network security software and firewalls.
4.** Monitoring and recording * *: Schools or educational institutions should monitor and record online classes in order to find and deal with any safety problems in time. This can be achieved by using monitoring software and logging.
5.** Education security awareness * *: Schools or educational institutions should popularize network security knowledge to students and teachers and educate them on how to protect their own and others' privacy. This can be achieved through network security training and education.
These security mechanisms can help schools or educational institutions protect the safety of online courses and ensure that students and teachers can study online in a safe environment.