RFID is an acronym that stands with a very sensible meaning and small area network i.e. Radio Frequency Identification. This consist a small chip integrated with antenna that contents some bytes with some data space of memory. This is an electric device that can proceed for a big drastic change to the country in the time of digital era. WSN is an acronym that stands for wireless sensor network and can help to transfer data through wireless by sensing the networks. It is the renowned communication method in today¿s world. It has make communication easier & cheaper. BAN is an acronym that stands for body area network. It helps to communicate through body parts & able to achieve various information through one¿s gesture and body parts. Recently it is using in a huge amount in the field sciences and health related departments as well as in the field of security and authentication in terms of bio-metric sciences. When it comes about its security and attacks that can be occurs during the several times or through several ways. So, it is becoming to make it more secure from intruder¿s attack in such a way the data cannot able to ruin by the intruder or any other passive or active attacks.