Today, more and more people scan important data or documents for backup, and also an increase number of people are using trading software or online banking. But if you don't pay more attention on network security, your personal computer or mobile device will be infected by virus, and then your important personal information will be stolen by lawless people, which may cause unnecessary losses.
So what can be done to prevent computers or mobile devices from being infected? What should we do when confirming that computers or USB drives have been poisoned? Reporter Jingjing Ma interviewed Stone Wang, who engages in cyber security.