This document summarizes a research paper that proposes a smart security system for homes using Internet of Things technologies. The system uses sensors and logical algorithms to identify normal user behavior at home access points and verify identities to improve security. When testing the system in a studio apartment over one month, it successfully detected all state changes at entry points 55 times, generating 14 warnings and 5 alarms without any false alarms. The system aims to address security issues in existing home automation and provide more flexible, affordable security using low-cost sensors and microcontrollers.