Cryptology is an art of protecting information by encrypting it into an unreadable format & then retransforming it to plain text. The knowledge of cryptology is essential because of its popularity in data communication for example, e-mail, banking, defense and cryptocurrency etc. Cryptography is a key technology for achieving information security in communications, computer systems, e-commerce, and, the entire information technology at large. This workshop will provide the understanding of fundamentals of cryptology and network security in data communication. The participants will understand and learn the basics as well as new developments in the related fields.