Mobile phone messages inexplicably receive a lot of verification codes.

1, SMS attack, this situation is often in cyber violence, knowing someone's information, and then using some software, frantically registering on various platforms with mobile phone numbers, and every time the platform registers, it will send a verification code to this mobile phone.

2, privacy leaks, if it is just a simple mobile phone number leak, the problem is actually nothing, people with ulterior motives at most send some advertisements in groups, this amount will certainly not be too much, and 20 have been received.