You explained the three types of physical security devices really well. Security cameras, access control systems, and alarm systems are all important for protecting a business. Cameras help monitor what’s going on and can catch anyone trying to steal or damage property. Access control tools, like badges or biometric readers, make sure only the right people can get into certain areas or see sensitive information. Alarm systems add another layer of protection by alerting the business to break-ins or other security issues. All of these devices work together to help keep companies, their employees, and their data safe.