One of the most potential threats to the autonomous cars is indeed the cyber-security. Most of the data will be inside the car and a hacker can tamper with the data to cause accidents. This a great threat as it can easy for terrorists or robbers to hack the data and cause huge mishaps. According to the reports many security experts has already warned the security concerns that they have for the self-driving cars. According to most experts when there are self-driving cars that means they need a lot of negotiation between each other. What if this negotiation is not proper, instead of reducing road accidents, it will increase the number [5]. That means there needs to be a way to authenticate each other and convey who should move first or stop first etc. As long as security principles are not applied behind the