Vehicle Security System Using Iot - Project: The Main Motto Of The Project Is To Use The Wireless Technology Effectively For The Automotive Environments By Using The IOT Technology In Case Of Theft Intimation. The Main Scope Of This Project Is To Stop The Engine Of An Automobile Automatically. This Can Be Done Whenever A Person Trying To Steal The Vehicle, At That Time Sends An Interrupt To A Programmable Microcontroller Of PIC Family That Stores Owner's Number Upon A Intimation Message For The First Time. When Someone Tries To Steal The Car Then Microcontroller Gets An Interrupt And Orders GSM Modem To Send The Sms, The Owner Receives A SMS That His Car Is Being Stolen Then The Owner Login To The IOT Based Web Server And Control The Vehicle Like Start Buzzering, Or Can Turn Off Engine…etc.