What is cmnet verification code for?

Cmnet verification code is a security measure to verify the identity of users. When the user performs some sensitive operations, such as modifying the account password and making payment, the system will ask the user to enter the verification code to ensure the authenticity and reliability of the user's identity and prevent malicious attacks and illegal operations. Cmnet's verification code is usually a random code consisting of a series of numbers or letters, and users need to input the correct verification code to complete related operations. This is a common network security measure that can help protect users' personal information.