Title	A Survey on Security Architecture and Key Management Systems in a Wireless Sensor Network
Author	Sunil Kumar, C. Rama Krishna and A. K. Solanki
Citation	Vol. 17  No. 4  pp. 263-273
Keywords	Cryptography, hash function, pattern generation, symmetric/asymmetric key, data security architecture, key management system.

Title	Autism Detection using Computer Vision
Author	Najeed Ahmed Khan, M. Ajmal Sawand, Maryam Qadeer, Anum Owais, Sarah Junaid, Phunparah Shahnawaz
Citation	Vol. 17  No. 4  pp. 256-262
Keywords	Autism Spatio-temporal sensitivity Body symmetry Humero-radial angles Autistic Echolalia.

Title	An Evolution to Next Generation Heterogeneous Cellular Networks
Author	Mahmood Adnan, Shadi M. S. Hilles, Wael M. S. Yafooz
Citation	Vol. 17  No. 4  pp. 251-255
Keywords	4G Technology, Next Generation Cellular Networks, Heterogene-ous Networking.

Title	Domineering Analysis & Mitigation of IP-SEC VPN Using GNS3
Author	Engr. Maria Abdullah and Najeed Ahmed Khan
Citation	Vol. 17  No. 4  pp. 245-250
Keywords	VPN IP Security ICMP TCP SHA1 AES algorithm.