Online Threats- Online threats includes computer virus which spreads in computer very fast and destroys the files.
Worms-Worms are very similar to virus. Unlike a computer virus, a worm does not need another executable program to be distributed. It causes slowdowns in data transmission due to massive bandwidth consumption.
Trojans- A Trojans is a program that pretends to do one thing but actually does something different. It looks like a harmless or useful program but in reality contains concealed code that can erase data transmission.
BEST WAYS FOR INTERNET SECURITY- 1) We should install Antivirus in our personal computers . 2) We should change our passwords regularly, it reduces the risk of hacking. 3) We never share our personal information to a unknown person. 4) we should never click an link from a unknown resource.