Unit 367: Secure Database Management

1. Introduction to Secure Databases

• Definition and scope of secure databases
• Importance of database security in modern IT environments
• Common security threats to databases
  • SQL injection
  • Insider threats
  • Malware and ransomware
• Consequences of data breaches
  • Financial losses
  • Reputational damage
  • Legal implications

2. Authentication and Authorization in Databases

• Concepts of authentication vs. authorization
• User identification methods
• Password management best practices
  • Strong passwords
  • Multi-factor authentication (MFA)
• Role-Based Access Control (RBAC)
  • Roles and privileges
  • Principle of least privilege
• Permissions and access levels
  • Grant, revoke, and audit permissions

3. Encryption Techniques for Database Security

• Data encryption at rest
• Data encryption in transit
• Hashing algorithms
  • MD5, SHA family
  • Salting and peppering
• Symmetric encryption
  • AES, DES
• Asymmetric encryption
  • RSA, ECC
• Key management
  • Key generation
  • Secure storage
  • Rotation and revocation

4. Database Auditing and Monitoring

• Importance of auditing and monitoring
• Logging mechanisms
  • Transaction logs
  • Access logs
• Audit trails
  • Maintaining integrity and completeness
• Real-time monitoring
  • Database activity monitoring (DAM)
• Intrusion detection systems (IDS)
  • Signature-based
  • Anomaly-based

5. Secure Database Design Principles

• Normalization and its role in security
• Data minimization principles
• Input validation to prevent injection attacks
• Secure coding practices
  • Parameterized queries
  • Avoiding dynamic SQL
• Secure configuration settings
  • Default settings hardening
  • Disabling unused features

6. Backup and Recovery Strategies for Secure Databases

• Importance of backups for data integrity and availability
• Types of backups
  • Full, incremental, differential
• Disaster recovery planning
  • Recovery point objectives (RPO)
  • Recovery time objectives (RTO)
• Testing backup and recovery procedures
  • Regular drills
  • Verification of backup integrity

7. Database Security Best Practices

• Access control enforcement
• Regular security assessments and vulnerability scanning
• Patch management and updates
• Employee training on security protocols
• Incident response planning

8. Regulatory Compliance and Data Privacy in Databases

• Overview of major regulations
  • GDPR (General Data Protection Regulation)
  • HIPAA (Health Insurance Portability and Accountability Act)
  • PCI DSS (Payment Card Industry Data Security Standard)
• Data retention policies
• Consent management and privacy by design
• Auditing compliance

9. Emerging Trends in Database Security

• Cloud databases and associated challenges
• Blockchain technology for data integrity
• AI-driven security solutions
  • Anomaly detection
  • Automated threat response
• Impact of IoT devices on database security
  • Increased attack surface
  • Securing IoT data streams