Vehicular systems (VANETs) are a developing research area with an extensive number of utilization cases. Anticipated applications incorporate safety applications, infotainment services, etc. VANETs connect vehicle into a huge mobile ad hoc network share data on a bigger scale. The attributes of VANET posture both difficulties and opportunities in accomplishing security objectives. Giving security to VANET is essential in terms of giving client validation, anonymity, honesty and protection of information. In this paper we have talked about the different techniques related to security in VANET. After going through all the techniques, a comparison has been made between the various techniques and the security concerns.
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