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Chapter: 11th Computer Technology : Internet and E-Mail

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Threats to Network Security

Network Security plays very critical factor in almost every field either it is an organization, a governmental entity, a country, or even your house.

Threats to Network Security:

 

Network Security plays very critical factor in almost every field either it is an organization, a governmental entity, a country, or even your house. Computers, mobile devices, and Internet are also facing surplus amount of network security challenges day by day.

As far as the security risks in mobiles/ computers are concerned, virus attacks, stealing of data, deletion of data and damage to hardware can be taken into consideration.

Network security is not only that blocking unauthorized access, denial of service to an unauthorized user, but also includes the virus attack, hacking, trojans etc.


 

Types of threats

 

Malware:

Malware is a software designed by hackers to gain illegal access to software and cause damage.

 

Viruses:

A virus is a small piece of computer code that can repeat itself and spreads from one computer to another by attaching itself to another computer file.

 

Worms:

Worms are self- repeating and do not require a computer program to attach themselves. Worms continually look for vulnerabilities and report back to the author of the worm when weaknesses are discovered.


Spyware/adware:

Spyware/adware can be installed on the computer automatically when the attachments are open, by clicking on links or by downloading infected software.

 

Trojans:

A Trojan virus is a program that appears to perform one function (for example, virus removal) but actually performs hateful activity when executed.

 

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