Policies define what is allowed and required. Without policies, security decisions are inconsistent and unenforceable.
Types of policies:
Acceptable Use. What users can do with company resources.
Password. Length, complexity, rotation requirements.
Data Classification. How to categorize data sensitivity.
Incident Response. How to report and handle incidents.
Remote Access. VPN requirements, approved devices.
Policy requirements:
- Written and accessible
- Approved by management
- Enforceable
- Reviewed regularly