This document proposes a smart security system for automobiles using Internet of Things (IoT) technology. The system would secure vehicles by detecting unauthorized activity using sensors like an ignition sensor. It could be controlled remotely via a smartphone app, allowing users to lock their vehicle or track its location using GPS. The system would use technologies like Arduino, PIC microcontrollers, GSM boards, and sensors for temperature, humidity, IR, cameras, magnets and motion. Data captured from IoT sensors could be analyzed on platforms like IBM Bluemix using Hadoop for distributed processing. This smart security system offers advantages like low cost, compatibility with existing tech, applicability even in remote areas, and enhanced security for vehicles.