Infrastructure Security Policy (ENG-POL-003)
1. Objective
This policy establishes comprehensive security requirements for the design, implementation, and operation of infrastructure supporting the video streaming platform. The policy ensures the confidentiality, integrity, and availability of services while providing robust protection against cyber threats and maintaining strict regulatory compliance across all operational environments.
2. Scope
This policy applies comprehensively to all infrastructure components supporting video streaming services across the company’s global operations. The scope encompasses cloud environments, on-premises data centers, content delivery networks, network equipment, servers, storage systems, and all supporting infrastructure across every geographic region where [Company Name] operates its services.
3. Policy
3.1 Infrastructure Security Architecture
- Infrastructure must be designed and implemented with comprehensive defense-in-depth security architecture incorporating multiple security layers.
- Network segmentation and micro-segmentation must be implemented for proper service isolation and access control.
- Zero-trust architecture principles must be applied to all network communications and access requests.
- Secure-by-default configurations must be established for all infrastructure components during deployment.
- Regular security architecture reviews and threat modeling must be conducted to identify and address evolving threats.
- Enterprise security monitoring and incident response systems must be integrated across all infrastructure components.
3.2 Content Delivery Network (CDN) Security
- CDN infrastructure must implement global distribution with regional failover capabilities to ensure service continuity.
- DDoS protection and traffic anomaly detection must be deployed across all CDN endpoints.
- Geographic content blocking and access controls must be implemented to comply with regional restrictions.
- Secure content caching with encryption at rest must be maintained for all cached content.
- Origin shield protection must be deployed to secure content sources from direct access.
- Real-time threat intelligence integration must be implemented for malicious traffic blocking and prevention.
- Content integrity verification and tamper detection must be performed to ensure content authenticity.
- Bandwidth limiting and traffic shaping controls must be configured to prevent resource exhaustion attacks.
3.3 DDoS Mitigation
- Multi-layered DDoS protection must be implemented across network, transport, and application layers.
- Volumetric attack mitigation with traffic scrubbing capabilities must be deployed to handle large-scale attacks.
- Protocol-based attack protection must be configured to defend against SYN floods, UDP floods, and similar attacks.
- Application-layer attack detection and mitigation must be implemented to protect against sophisticated application-level threats.
- Automated scaling and traffic rerouting must be configured to activate during attack situations.
- Real-time monitoring and alerting must be established for immediate attack detection and response.
- Regular DDoS simulation testing and response validation must be conducted to ensure preparedness.
- Coordination must be established with ISPs and upstream providers for comprehensive attack mitigation strategies.
3.4 Data Sovereignty and Geographic Controls
- Data residency controls must be implemented to ensure data remains within required geographic boundaries at all times.
- Regional data processing capabilities must be established to meet local regulatory requirements in each jurisdiction.
- Cross-border data transfer controls and legal basis documentation must be maintained for all international data movements.
- Localized content delivery must respect regional content restrictions and cultural sensitivities.
- Government data access request handling must be managed with appropriate legal protections and due process.
- Encryption key management must be implemented with geographic controls to maintain data sovereignty.
- Audit trails must be maintained for all cross-border data movements to ensure compliance and accountability.
3.5 Cloud Infrastructure Security
- Identity and access management (IAM) must be implemented with strict least privilege principles for all user access.
- Multi-factor authentication must be required for all administrative access to cloud environments.
- Encryption in transit and at rest must be applied to all data stored and transmitted within cloud infrastructure.
- Virtual private cloud (VPC) segmentation and security groups must be configured to isolate and protect cloud resources.
- Continuous security monitoring and compliance scanning must be implemented to detect and respond to threats.
- Automated security configuration management and drift detection must be deployed to maintain consistent security postures.
- Regular penetration testing and vulnerability assessments must be conducted to identify and remediate security weaknesses.
3.6 Network Security
- Firewall and intrusion prevention systems (IPS) must be deployed at all network boundaries to control traffic flow.
- Network access control (NAC) must be implemented for device authentication and authorization before network access.
- Secure remote access solutions must be provided with VPN or zero-trust access technologies.
- Network monitoring and traffic analysis must be implemented for continuous threat detection and response.
- Wireless network security must be maintained with enterprise authentication and encryption protocols.
- Regular network security assessments and penetration testing must be conducted to validate security controls.
3.7 Server and Endpoint Security
- Hardened operating system configurations must be implemented following established security baselines for all systems.
- Regular security patching and update management must be maintained to address known vulnerabilities promptly.
- Endpoint detection and response (EDR) solutions must be deployed on all endpoints for threat detection and response.
- Anti-malware protection with real-time scanning must be installed and maintained on all systems.
- Host-based intrusion detection and prevention systems must be implemented to monitor system activity.
- Secure configuration management and compliance monitoring must be maintained to ensure adherence to security standards.
3.8 Storage Security
- Encryption at rest must be implemented for all stored data using approved encryption algorithms and key management practices.
- Access controls and authentication must be enforced for all storage access to prevent unauthorized data retrieval.
- Regular backup and disaster recovery testing must be conducted to ensure data availability and recovery capabilities.
- Secure data disposal and sanitization procedures must be implemented when decommissioning storage devices.
- Storage monitoring and anomaly detection must be deployed to identify unauthorized access or suspicious activities.
- Data integrity verification and corruption detection must be performed to ensure data remains unaltered and reliable.
3.9 Cardholder Data Environment (CDE) Security
The Cardholder Data Environment (CDE) must be completely isolated from the rest of the corporate network via network segmentation and protected by comprehensive firewall configurations. Firewalls must be installed and properly configured at each internet connection and between any demilitarized zone (DMZ) and the internal network zone containing CDE components to prevent unauthorized access. Direct public access between the internet and any system component in the CDE is strictly prohibited to maintain payment data security. Secure configuration standards, based on industry-accepted hardening standards, must be developed and systematically applied to all CDE system components to ensure consistent security posture.
3.10 Infrastructure as Code (IaC) Security
All Infrastructure as Code (IaC) templates including Terraform and CloudFormation configurations must be scanned for security misconfigurations using dedicated static analysis tools prior to deployment. The CI/CD pipeline must be configured to automatically block the deployment of templates with critical security flaws to prevent the introduction of vulnerabilities into production environments.
3.11 Container Security
Container images must be scanned for known vulnerabilities before being pushed to the container registry to prevent deployment of compromised containers. Only approved, hardened base images may be used for container development and deployment to ensure consistent security baselines. The container runtime environment must be continuously monitored for security threats and misconfigurations to detect and respond to potential compromise attempts.
4. Standards Compliance
| Policy Section | Standard/Framework | Control Reference |
|---|---|---|
| 3.1 | ISO/IEC 27001:2022 | A.13.1.1 |
| 3.1 | PCI DSS v4.0 | Req. 1.1.1 |
| 3.2, 3.3 | SOC 2 Type II | CC6.7 |
| 3.2 | PCI DSS v4.0 | Req. 1.2.1 |
| 3.4 | GDPR | Art. 44-49 |
| 3.4 | PCI DSS v4.0 | Req. 4.1 |
| 3.5 | NIST Cybersecurity Framework | PR.AC-4 |
| 3.5 | PCI DSS v4.0 | Req. 7.1, 8.1 |
| 3.6 | ISO/IEC 27001:2022 | A.13.1.3 |
| 3.6 | PCI DSS v4.0 | Req. 11.4 |
| 3.7 | SOC 2 Type II | CC6.1 |
| 3.7 | PCI DSS v4.0 | Req. 2.2 |
| 3.8 | ISO/IEC 27001:2022 | A.10.1.1 |
| 3.8 | PCI DSS v4.0 | Req. 3.4 |
| 3.9 | PCI DSS v4.0 | Req. 1.2, 1.3, 2.2 |
| 3.10 | PCI DSS v4.0 | Req. 6.3.1 |
| 3.11 | PCI DSS v4.0 | Req. 6.3.2 |
5. Definitions
Content Delivery Network (CDN): A distributed network of servers that deliver content to users from geographically closer locations.
DDoS (Distributed Denial of Service): An attack that uses multiple compromised systems to flood a target with traffic.
Data Sovereignty: Legal concept that data is subject to the laws and governance structures of the country where it is collected or processed.
Zero-Trust Architecture: A security model that requires verification of every user and device before granting access to systems.
Micro-segmentation: A security technique that creates secure zones in data centers and cloud environments.
Origin Shield: A CDN feature that acts as an additional caching layer between edge servers and origin servers.
Defense-in-Depth: A layered security approach using multiple security controls to protect information assets.
6. Responsibilities
| Role | Responsibility |
|---|---|
| [IT/Infrastructure Department/Team Name] | Design, implement, and maintain secure infrastructure, ensure compliance with security standards, and respond to infrastructure security incidents. |
| Cloud Operations Team | Manage cloud security configurations, monitor cloud environments, and ensure compliance with cloud security policies. |
| Network Operations Team | Maintain network security controls, monitor network traffic, and respond to network-based security incidents. |
| [Security Department/Team Name] | Define infrastructure security requirements, conduct security assessments, and monitor infrastructure security posture. |
| DevOps Team | Implement security controls in deployment pipelines, manage infrastructure as code securely, and integrate security into automation. |
| Compliance Team | Ensure infrastructure meets regulatory requirements, conduct compliance assessments, and manage data sovereignty obligations. |