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NETWORK SECURITY AND CRYPTOGRAPHY
“SECURITY” in this contemporary scenarios has become a more sensible issue either it may be in “REAL WORLD” or in the “CYBER WORLD” .in this world as opposed to the cyber world an attack is often preceded by information gathering.
Network security is a complicated subject, historically only tackled by well-trained and experienced experts. However, as more and more people become”wired'', an increasing number of people need to understand the basics of security in a networked world. Our paper covers different kinds of threats & firewalls in the network by implementation of different security services using various security mechanisms. The security mechanisms are primarily based on cryptographic algorithms like symmetric-DES, AES, asymmetric-RSA, ECC. Generally, the logical conclusion is to use both kind of algorithms and their combinations to achieve optimal speed and security levels. It is hoped that the reader will have a wider perspective on security in general, and better understand how to reduce and manage risk personally
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