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What is Network Security and why we need Network Security

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Network Security is a branch of computer science that involves in securing a computer network and network infrastructure devices to prevent unauthorized access, data theft, network misuse, device and data modification. Another function of Network Security is in preventing DoS (Denial of Service) attacks and assuring continuous service for legitimate network users. Network Security involves proactive defence methods and mechanisms to protect data, network and network devices from external and internal threats.

Data is the most precious factor of today’s businesses. Top business organizations spend billions of dollers every year to secure their computer networks and to keep their business data safe. Imagine the loss of all important research data on which the company has invested millions of dollers and working for years !!!

We are dependent on computers today for controlling large money transfers between banks, insurance, markets, telecommunication, electrical power distribution, health and medical fields, nuclear power plants, space research and satellites. We cannot negotiate security in these critical areas.

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As the complexity of the systems and the networks are increasing, vulnerabilities are also increasing and the task of securing the networks is becoming more complex.

data protected

This makes Network Security an essential part of today's businesses.

              Jajish Thomason Google+
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