ICT Academy of Tamil Nadu
The rising level of Social Network Sites (SNS) is incredible. An SNS is a network system which offers quality services like connecting users and providing a platform to establish communications among the individuals of common interest. The paper aims at providing technical as well as social aspects akin to 'Security vs. usability' in restricted user forums within a Social Network Site (SNS). As per surveys conducted in US, security of data plays a vital role in restricted user groups of SNS. Therefore, authentication & security processing techniques become important to protect the data from unauthorized access into an SNS.