Internet is a boon for mankind.Nowadays,Internet users are increasing rapidly and also the hackers are grown.Unauthorised and unauthenticated person are known as hackers.These people can block the process and crash the system or gain access from other system.These intruders or hackers can be prevented by means of Antivirus Software,Antispyware Software and firewalls. Antivirus Software is a program which easily detects and prevents the virus,worms,etc.These are plenty of Antivirus software available in market.Some of them are Avast,Avira,Avg,kaspersky,BitDefender and so on.These antivirus softwares can enable to prevent the intruders into the system.Users can manage to update the antivirus program consecutively.Antispyware is a security program which destroys spywares,malwares,trojans,and so on.Firewall is a software program which protecs the system by means of preventing unauthorised users entering into the system.So these are the measures for preventing hackers.
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