Internet of Things (IOT) conceptualizes the idea of remotely connecting and monitoring real world objects (things) through the Internet. When it comes to our house, this concept can be aptly incorporated to make it smarter and safer. This paper focuses on building a smart wireless home security system which sends alerts to the owner by using Internet in case of any trespass and raises an alarm optionally. Today security and safety is becoming more and more popular day by day due to its numerous advantages, and with such advancement happening the security of one's home must also not be left behind. Nowadays theft is on rise, so there is an endeavor to build a security system which will effectively manage this issue keeping user away from fear about home security in all cases. The proposed system detects the presence of human appearance with PIR sensor, which will notify the user through video captured by camera and sends it to android application using internet, it also sends a message through GSM. © 2018 American Scientific Publishers All rights reserved.