TCP/IP is used to provide network communication throughout the world. Now-a-days all organization are dependent on Internet and perform all sort of communication. Security controls exists for network communication at each layer of the TCP/IP Model. Even as this communication contains a lot of secret information which has to travel securely, more protection is required. Having developed and identified various security mechanisms for achieving network security, it is essential to decide where to apply them; both physically (at what location) and logically (at what layer of an architecture such as TCP/IP). Security professionals must understand the issues and risks associated with these transactions if they want to provide viable and scalable security solutions for Internet commerce. In this paper, we have discussed various security protocols existing in all layers and what are the best protocols which have to be implemented to perform any communication on the network.
With spread of digitalization in India, the government initiated many welfare schemes for citizens as a part of e-governance. To ensure security, it is made mandatory to link Aadhaar card of beneficiaries with different schemes. The government also proposed to link UIDAI with DigiLocker to lead India towards the paperless economy. Due to this, worries related to security concern arise. Once UIDAI connected with DigiLocker, a resident can share personal data with other agencies. It generates enormous amount of Data and it may cause misuse of personal data. It is very important to keep data secure with controlled and authenticated access. It is a challenge to manage and secure this amount of data. In this paper, we propose a framework and model to secure personal data using proper authentication process. Availability of the documents should be verified by the owner and post verification, the document should be accessible for the limited time. Failing which revalidation is required.
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