$21$

Multiple Answer

$2$ points

Choose all the possible reasons that make fighting cybercrime difficult.

It is impossible to make perfect software without vulnerabilities

Requests for cooperation across multiple nations$/$regions can take a long time

Criminals of cybercrime might be located anywhere

Data used on cybercrime can be collected secretly with legal and appropriate manner

Any computer can connect to the Internet easily

The number of investigators of cybercrime is much less than the required number