Open RAN Defense

Open RAN Defense Training by Tonex

Open Radio Access Network (Open RAN) architectures distribute radio capabilities across interoperable components, open interfaces, cloud infrastructure, and software applications. Open RAN Defense Training by Tonex addresses the resulting security responsibilities for operators, integrators, and suppliers. Participants examine trust across open fronthaul, management and orchestration systems, radio units, distributed units, centralized units, and RAN Intelligent Controllers (RICs). They review application onboarding, protected interfaces, identity governance, change control, and security observability in multi-vendor environments. The course emphasizes defensible control design and reliable evidence for operational assurance.

Well-defined trust boundaries strengthen cybersecurity by limiting unauthorized interface and application access. Coordinated monitoring and supplier accountability improve cybersecurity resilience across distributed radio deployments.

A practical training approach includes exercises, real-world case studies, and examples of processes and documentation used in Open RAN defense projects, such as interface control matrices, supplier assurance records, application approval procedures, and monitoring plans.

Learning Objectives

• Explain core Open RAN components and security responsibilities across suppliers.
• Assess trust boundaries for open fronthaul and orchestration interfaces.
• Define authentication, authorization, and protected communication requirements.
• Evaluate controller application governance and software supply chain controls.
• Plan telemetry, incident escalation, and configuration assurance procedures.
• Document cross-vendor security responsibilities and verifiable review evidence.
• Strengthen cybersecurity through consistent protection of open network interfaces.

Audience

• Cybersecurity Professionals
• Open RAN Security Architects
• Radio Network Integration Engineers
• Telecom Cloud Security Specialists
• Network Assurance Analysts
• Vendor Security Assessors
• Telecommunications Operations Leaders
• Incident Response Professionals

Course Modules

Module 1: Open RAN Components and Trust

• Map radio, distributed, and centralized functions to their operators
• Identify cloud infrastructure and orchestration security responsibilities
• Distinguish open fronthaul and management interface trust boundaries
• Review near-real-time and non-real-time controller roles
• Identify sensitive configuration data and inter-component communication paths
• Record multi-vendor dependencies in a shared responsibility register

Module 2: Secure Interfaces and Access Controls

• Define mutual authentication and authorized access expectations for interfaces
• Review transport protection requirements for management communications
• Restrict privileges across the O1, O2, A1, and E2 interfaces
• Assess certificate lifecycle and trusted identity provisioning procedures
• Control administrative access to radio and orchestration components
• Verify exception handling and protected configuration exchange policies

Module 3: Controller and Application Security Governance

• Identify application trust boundaries around intelligent controller platforms
• Review onboarding authorization for controller hosted applications
• Assess application privileges and sensitive information access
• Establish approved software source and integrity verification requirements
• Evaluate update approval and rollback governance for distributed applications
• Document accountability for third party application security defects

Module 4: Radio Cloud and Supplier Assurance

• Apply workload separation controls to hosted radio network functions
• Review supplier software inventories and vulnerability response responsibilities
• Assess administrative exposure across cloud and radio management domains
• Define baseline configuration checks before service acceptance
• Protect credentials and cryptographic material throughout lifecycle changes
• Maintain traceable records of vendor updates and integration exceptions

Module 5: Open RAN Monitoring and Response

• Select security events from management and controller interfaces
• Correlate application changes with radio performance and platform alerts
• Identify suspicious privileged actions and unauthorized configuration updates
• Preserve relevant records from operator and supplier controlled components
• Plan cross-vendor escalation without disrupting radio service unnecessarily
• Evaluate response readiness for identity and software integrity incidents

Module 6: Standards Alignment and Defense Improvement

• Review relevant O-RAN ALLIANCE security requirements and controls
• Relate documented threats to specific defensive ownership decisions
• Define practical assurance evidence for protected open interfaces
• Assess gaps in application security and cloud platform monitoring
• Create priorities for remediation and supplier coordination
• Maintain a continuous improvement roadmap for defensible radio operations

Advance secure deployment and operation of interoperable radio networks. Enroll in Open RAN Defense Training by Tonex to improve interface protection, application governance, and cross-supplier security assurance.