In this modern era, organizations greatly rely on computer networks to share

Resource sharing
− A business can reduce the amount of money spent on 
hardware by sharing components and peripherals connected to the network. 

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Streamlined business processes
− Computer networks enable businesses 
to streamline their internal business processes. 
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Collaboration among departments
− When two or more departments of 
business connect selected portions of their networks, they can streamline 
business processes that normally take inordinate amounts of time and effort 
and often pose difficulties for achieving higher productivity. 
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Improved Customer Relations
− Networks provide customers with many 
benefits such as convenience in doing business, speedy service response, 
and so on. 
There are many other business specific benefits that accrue from networking. Such 
benefits have made it essential for all types of businesses to adopt computer 
networking. 
Necessity for Network Security 
The threats on wired or wireless networks has significantly increased due to 
advancement in modern technology with growing capacity of computer networks. The 
overwhelming use of Internet in today’s world for various business transactions has 
posed challenges of information theft and other attacks on business intellectual 
assets. 
In the present era, most of the businesses are conducted via network application, and 
hence, all networks are at a risk of being attacked. Most common security threats to 
business network are data interception and theft, and identity theft. 
Network security is a specialized field that deals with thwarting such threats and 
providing the protection of the usability, reliability, integrity, and safety of computer 
networking infrastructure of a business. 
Importance of Network Security for Business 
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