Title	Authentication System for Websites with Paid Content: An Overview of Security and Usability Issues
Author	Adam Hurkała, Jarosław Hurkała
Citation	Vol. 13  No. 7  pp. 42-49
Keywords	security, authentication, usability, websites, paid content

Title	Hybrid Access Control Model in Semantic Web
Author	Sonu Verma, Suresh Kumar, Manjeet Singh
Citation	Vol. 13  No. 6  pp. 92-97
Keywords	Hybrid Access Control Model, Authorization, Authentication, Dynamicity, Granularity.

Title	A Tamper Proof Noise Resilient End to End Image based Authentication System over Wireless Transmission with AWGN Channel using Wavelet based Templates and AES
Author	Fouzia Sultana, Stephen Charles, A.Govardhan
Citation	Vol. 13  No. 5  pp. 41-48
Keywords	Image authentication, watermarking, content-based, digital signature, structural signature design.

Title	Grid Computing Security Implementation Challenges
Author	Muhammad Naeem khan, Shahid Hussain
Citation	Vol. 13  No. 3  pp. 80-85
Keywords	Grid Security, virtual organization (VO), privacy, authorization, authentication, OGSA.