Oracle Cloud Infrastructure Security Architecture

2 min readOct 3, 2023

Oracle Cloud Infrastructure (OCI) is designed to be a secure, high-performance computing environment. Below are some of the core components that make up OCI’s security architecture, although it’s important to understand that Oracle continues to update and enhance its services, so the features described may evolve.

Identity and Access Management (IAM)

User Authentication: OCI supports multi-factor authentication (MFA) and Single Sign-On (SSO).
Role-Based Access Control (RBAC): You can set granular policies that specify who can access services, in which contexts, and what actions they can perform.

Network Security

Virtual Cloud Network (VCN): OCI provides a customizable and private network you can set up.
Firewall and Security Lists: Rules can be set to control inbound and outbound traffic at both instance and subnet levels.
Web Application Firewall (WAF): Protects against various web-based threats.

Data Security

Encryption at Rest: Data stored in Oracle Cloud is encrypted at rest by default.
Encryption in Transit: Data moving between services and users is encrypted.

Key Management

Oracle provides a managed service for handling cryptographic keys and secrets, which can be integrated with other services to ensure the safety of sensitive data.

Compliance and Auditing

OCI is compliant with various global, regional, and industry-specific compliance standards.
Audit logs can be configured to track actions across your cloud resources.

Isolation and Virtualization

Compute Isolation: Offers bare-metal servers to isolate your compute capacity fully.
Network Isolation: Private subnets and VPNs to segregate your network.

Edge Security

DDoS Protection: OCI has built-in defenses against Distributed Denial of Service attacks.

Monitoring and Alerting

OCI offers a range of tools like Oracle Cloud Monitoring and Oracle Cloud Logging to keep track of operations and security-related activities.

Disaster Recovery

OCI provides backup, failover, and disaster recovery services to ensure data durability and availability.

This is an overview, and the actual implementation would involve more complex configurations to ensure maximum security compliance and data protection.

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