Cloud Data Security Principles

Data Protection Strategies for Transit and Rest States

1. Data in Transit Security

1.1 Encryption Protocols

  • TLS 1.3 or higher for data transmission

  • End-to-end encryption for sensitive communications

  • Strong cipher suites (e.g., AES-256)

  • Perfect Forward Secrecy (PFS) implementation

1.2 Network Security Measures

  • Virtual Private Networks (VPNs) for remote access

  • Network segmentation and isolation

  • Secure API gateways

  • Web Application Firewalls (WAF)

1.3 Authentication & Authorization

  • Multi-factor authentication (MFA)

  • Certificate-based authentication

  • OAuth 2.0 and OpenID Connect

  • JWT (JSON Web Tokens) for secure data transfer

1.4 Best Practices

  • Regular certificate rotation

  • Monitoring of encryption endpoints

  • Disabled insecure protocols (SSL, older TLS versions)

  • Implementation of HTTPS everywhere

2. Data at Rest Security

2.1 Encryption Methods

  • AES-256 for file-level encryption

  • Database encryption (TDE - Transparent Data Encryption)

  • Volume-level encryption

  • Key management systems integration

2.2 Access Control

  • Role-Based Access Control (RBAC)

  • Identity and Access Management (IAM)

  • Principle of least privilege

  • Regular access reviews and audits

2.3 Key Management

  • Hardware Security Modules (HSM)

  • Key rotation policies

  • Secure key storage

  • Backup and recovery procedures

2.4 Data Classification

  • Data sensitivity levels

  • Regulatory compliance requirements

  • Retention policies

  • Data lifecycle management

3. Shared Security Measures

3.1 Monitoring and Logging

  • Audit trails for all access attempts

  • Real-time alerting systems

  • Security Information and Event Management (SIEM)

  • Regular security assessments

3.2 Compliance and Governance

  • Regular compliance audits

  • Documentation of security controls

  • Incident response procedures

  • Business continuity planning

3.3 Technical Controls

  • Anti-malware protection

  • Data loss prevention (DLP)

  • Backup and disaster recovery

  • Vulnerability management

4. Implementation Guidelines

4.1 Security Framework Integration

  • Cloud Security Alliance (CSA) guidelines

  • NIST Cybersecurity Framework

  • ISO 27001/27017/27018 standards

  • Industry-specific compliance requirements

4.2 Regular Maintenance

  • Security patches and updates

  • Configuration management

  • Performance monitoring

  • Capacity planning

4.3 Security Testing

  • Penetration testing

  • Vulnerability assessments

  • Security code reviews

  • Compliance validation

5. Best Practices Checklist

PreviousHomeNextSeparation of Duties (SoD)

Last updated

Was this helpful?