What are the 4 types of security?
Comprehensive organizational security frameworks implement four primary classifications of protective measures to safeguard physical assets, digital data, and personnel. The first is physical security, encompassing fences, security guards, surveillance cameras, and access control systems that protect buildings and facilities. The second is cybersecurity, utilizing firewalls, encryption, multi-factor authentication, and intrusion detection software to shield digital networks and databases. The third is operational security, involving protocols, background checks, and procedural safeguards that govern employee behavior and visitor management. The fourth is personal or personnel security, focusing on protecting individuals from physical harm, threats, and unauthorized identity compromise across both professional and private environments.
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