Author(s): Dr. Pranav Patil, Komal Sanjiv Patil

Data is any variety of keep digital data. Security is concerning the protection of assets. Data security refers to protecting digital privacy measures that area unit applied to forestall unauthorized access to computers, personal databases and websites. Cryptography is evergreen and developments. Cryptography protects users by providing practicality for the secret writing of data and authentication of alternative users. Compression is that the method of reducing the quantity of bits or bytes required representing a given set of information. It permits saving additional information. Cryptography could be a common ways that of causation important data during a secret method. There are several cryptology techniques accessible and among them AES is one amongst the foremost powerful techniques. The situation of gift day of data security system includes confidentiality, genuineness, integrity, no repudiation. The safety of communication could be a crucial issue on World Wide net. It is concerning confidentiality, integrity, authentication throughout access or writing of confidential internal documents.