What are the three main ways in which security can be provided?
Security is commonly provided through three primary categories of security controls: management, operational, and physical.
1. Management Security (Administrative Controls)
- Definition: The governance foundation and overall design that sets rules and guidelines.
- Key functions: Risk assessment, security policies, compliance auditing, and employee training.
2. Operational Security (Technical Controls)
- Definition: Day-to-day implementation and technical execution used to protect systems and networks.
- Key functions: Access controls, multi-factor authentication (MFA), firewalls, and data encryption.
3. Physical Security
- Definition: Tangible measures designed to protect physical facilities, equipment, and personnel.
- Key functions: Biometric scanners, security guards, surveillance cameras (CCTV), and perimeter fencing.