Disadvantages of using Internet

In spite of advantages there are also some disadvantages of using internet, which are given below.
Hacking
Hacking is one of the most important disadvantages of the internet. The hackers access the data stored on the computers across the internet. They use this data illegally and even can destroy this data.
Security Problem
Internet has caused many security viruses. Viruses are spread using websites and emails. When a user opens such emails or visits such websites, the viruses are automatically copied on the computer and harm the computer.
Immorality
Internet contains a number of websites which contain immorality material. Such web sites are against the moral values and are destroying the characters of young people.
Wastage of time
Many people use internet without any positive activities, as many user use internet for chatting in this way they waste their time.
Cyber crimes
Internet is source of cyber crime. Many users use internet for negative purposes. Many people hack the credit cards of other and use them for shopping.