Recently, a new game has become popular, which is also based on mobile phone numbers to promote new marketing. Many Internet companies allow you to invite friends when doing promotions. Just enter your friend's mobile phone number and you can establish a binding relationship. If this friend has a certain business intersection with this Internet company in the future, then as his inviter, you can get a lot of rewards. This is the so-called invitation code and invitation phone number. And here, there is a very interesting way of playing, that is, violent flooding, occupying the binding relationship of the number segment. What is a flood number? ——That is, if I am A, I have to enter BCD's mobile phone number to establish a binding relationship with them. When BCD

places an order, I will have a reward. Then, I can directly enumerate the numbers, for example: directly from 13000000000 to 19999999999, all are imported into the invitation link, which means that as long as there are users who register and use them. Regardless of whether it is related to me or not, we sms marketing service have established a binding relationship, and I can lie down and collect money, even though the user itself does not know my existence. This kind of attack is ineffective for large factories, but it is very deadly for many start-ups, especially those eager

for data. For similar promotions by big manufacturers, they will control the number and rules of numbers, try to invite only dozens of people for one number, and the number segment will not be repetitive, and the frequency will not be very high. I won't disclose the specific method, but this kind of imperceptible loss of the big manufacturers in pulling new products every year is immeasurable.