It is generally difficult to determine the time for criminal police to detect online fraud cases, which depends on the case, modus operandi, means, cunning degree, timing and the skills of the case handlers.

Internet fraud refers to the act of stealing other people's property through deception or improper means on the Internet. Legally, it can constitute a crime, collectively referred to as cyber fraud crime.

Means of online fraud:

1. Hackers steal other people's virtual property through network viruses. Generally, it is carried out in the back door, without the procedure of the stolen person, which is fast and can spread across regions, making the detection time longer.

2. The netizen cheated. Generally speaking, it refers to the way to make friends online, get to know real people or networks, gain the trust of the stolen people and obtain property information. Slow speed, but slow detection speed.