The phrase "Internet of Things Security" refers to a broad category of tactics, equipment, procedures, frameworks, and techniques utilized to safeguard every facet of the internet of things. The safeguarding of the hardware, software, data, and network connections to guarantee the availability, confidentiality, and integrity of IoT ecosystems is all part of IoT security. There are several security issues due to the large number of vulnerabilities that are frequently found in IoT systems. All aspects of protection, including as component hardening, monitoring, firmware updates, access control, threat response, and vulnerability remediation, are included in robust IoT security. IoT security is essential since these systems are widely dispersed and susceptible to attack, making them a highly focused attack vector. By preventing unwanted access, IoT devices can be protected from becoming entry points into the network and from leaking private data. Vulnerabilities in IoT security can be identified in watches, smart home appliances, cars, and smart grids.