Help with computer discussion homework

2. "Security Controls and Security Policies" Please respond to the following:

• Examine the classifications of security controls (physical, administrative, and technical) and the types of security controls (preventive, detective, and corrective). Explain how these different types of controls are used to enforce security policies within an organization.
• Explain the classifications and the type of security controls that are most challenging to implement. Include suggestions for overcoming these challenges.