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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

  1. Identify requirements and objectives
  2. Draft policy content
  3. Review with stakeholders
  4. Obtain management approval
  5. Communicate and train
  6. Implement and enforce
  7. 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

  1. Planning and scoping
  2. Information gathering
  3. Vulnerability analysis
  4. Exploitation (if penetration test)
  5. Reporting
  6. 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