Security+ Domain 03 - Physical Security

The provided documents offer a comprehensive look at essential safety and cybersecurity protocols, ranging from digital defense to physical hazard management. The first portion details the CompTIA Security+ curriculum, focusing on protecting information through the CIA triad, identifying diverse malware threats, and implementing technical or administrative controls. This technical overview explores how to identify various hacker types and maintain system integrity using firewalls, encryption, and authentication methods. In contrast, the second source shifts to fire safety fundamentals, explaining the specific active ingredients and ratings of different fire extinguishers. It categorizes five distinct fire classes—from common combustibles to electrical and chemical hazards—to help users select the correct suppression agent. Together, these sources outline the foundational knowledge required to safeguard both digital assets and physical environments from modern risks.