The International Journal of Network Security & Its Applications (IJNSA) is a peer-reviewed journal that publishes articles on computer network security and its applications. The journal focuses on technical and practical aspects of security for wired and wireless networks. Topics covered include network, wireless, mobile, ad hoc and sensor network security, intrusion detection, internet security, cryptography, and security threats and countermeasures. Authors are invited to submit original papers through the journal's email or online submission system. The submission deadline for the next issue is August 7, 2021.