Alipay suddenly sent a verification code

Does the subject want to ask, "What happened when Alipay suddenly sent the verification code?" ? There is a security risk in Alipay account, and the mobile phone number was mistakenly entered by others.

1, Alipay account has security risks: Alipay system detects that the account has security risks, and will send a verification code to remind the account to be safe.

2. The mobile phone number was mistakenly entered by others: others mistakenly entered the mobile phone number when registering or logging in Alipay account, which will lead to receiving the verification code.