A STUDY ON NETWORK SECURITY TECHNIQUES

Internet plays a vital role  in our day today life. Data security in web application has become very crucial. The usage of internet becomes more and more in recent years. Through internet the information’s can be shared through many social networks like Facebook, twitter, LinkedIn, blogs etc. There is chance of hacking the data while sharing from one to  one. To prevent the data being hacked there are so many techniques such as Digital Signature, Cryptography, Digital watermarking, Data Sanitization can be implemented. This paper focus on the various techniques which is used to protect the data.