What should I do if I receive the mall service verification code?

If you don't need a verification code when shopping in the mall, call 10086 or go to the mobile business hall to check the information source. Just intercept spam directly.

Verification code is a fully automatic Turing test to distinguish between computer and human, and a public fully automatic program to distinguish between computer and human. It can prevent malicious password cracking, ticket brushing and forum flooding, and effectively prevent hackers from constantly trying to log in to specific registered users by using specific program brute force cracking methods. In fact, using verification code is a popular way for many websites now, and we have realized this function in a relatively simple way.

This question can be generated and judged by computers, but only humans can answer it. Because the computer can't answer CAPTCHA's question, the user who answers the question can be considered as human.

Prevent malicious password cracking, ticket brushing, forum flooding and page brushing. Effectively prevent hackers from trying to log in to specific registered users by using specific programs to violently crack. In fact, using verification code is a popular way for many websites now, and we have realized this function in a relatively simple way.

Although logging in is a bit troublesome, this function is necessary and important for the password security of netizens. However, we still remind you to protect your password, try to use a password with more than 6 digits, letters and symbols, and don't use a simple password such as 1234 or a password that is the same as or similar to your user name, so as to avoid unnecessary troubles caused by someone stealing your account.

The verification code usually consists of some lines and some irregular characters, and its main function is to prevent some hackers from stealing password data. The verification code of most websites needs to click the fill-in box, and then the verification code picture will automatically pop up.

Because the verification code is generated randomly, there is a great chance that there will be an unrecognizable verification code picture. So it should be noted that the general website will have corresponding tips, such as changing it if you can't see it clearly. If there is no prompt, you can click the current picture of the verification code directly to complete the replacement of the verification code.