Security Governance¶
Security governance establishes the framework for managing and overseeing an organization's information security program.
Security Policies¶
Types of Policies¶
- Acceptable Use Policy (AUP): Defines acceptable use of IT resources
- Access Control Policy: Governs user access to systems and data
- Data Classification Policy: Categorizes data by sensitivity
- Password Policy: Sets requirements for password creation and management
- Incident Response Policy: Outlines procedures for handling security incidents
Policy Development Process¶
- Identify requirements and objectives
- Draft policy content
- Review with stakeholders
- Obtain management approval
- Communicate and train
- Implement and enforce
- Review and update regularly
Compliance Frameworks¶
ISO 27001¶
International standard for Information Security Management Systems (ISMS).
Key Requirements: - Risk assessment and treatment - Security policy documentation - Organization of information security - Human resource security - Physical and environmental security - Operations security
NIST Cybersecurity Framework¶
Five core functions: 1. Identify: Asset management, risk assessment 2. Protect: Access control, awareness training 3. Detect: Anomaly detection, continuous monitoring 4. Respond: Response planning, communications 5. Recover: Recovery planning, improvements
GDPR (General Data Protection Regulation)¶
EU regulation for data protection and privacy.
Key Principles: - Lawfulness, fairness, and transparency - Purpose limitation - Data minimization - Accuracy - Storage limitation - Integrity and confidentiality - Accountability
Other Frameworks¶
- PCI DSS (Payment Card Industry Data Security Standard)
- HIPAA (Health Insurance Portability and Accountability Act)
- SOC 2 (Service Organization Control 2)
- CIS Controls
Security Awareness Training¶
Training Topics¶
- Phishing recognition
- Password security
- Social engineering
- Safe browsing practices
- Mobile device security
- Data handling procedures
Training Methods¶
- Online courses
- Simulated phishing exercises
- In-person workshops
- Security newsletters
- Tabletop exercises
Security Audits and Assessments¶
Types of Assessments¶
- Vulnerability Assessment: Identifies system weaknesses
- Penetration Testing: Simulates real-world attacks
- Security Audit: Reviews compliance with policies
- Risk Assessment: Evaluates potential threats and impacts
Audit Process¶
- Planning and scoping
- Information gathering
- Vulnerability analysis
- Exploitation (if penetration test)
- Reporting
- Remediation verification
Metrics and Reporting¶
Key Performance Indicators (KPIs)¶
- Mean Time to Detect (MTTD)
- Mean Time to Respond (MTTR)
- Number of security incidents
- Patch compliance rate
- Security training completion rate
- Vulnerability remediation time