Secure 5G Architecture

Secure 5G Architecture Training by Tonex

A secure Fifth Generation (5G) architecture must protect the interactions among radio access, core services, transport connections, infrastructure platforms, and external service providers. Secure 5G Architecture Training by Tonex develops practical architectural judgment for trust boundary definition, network function placement, traffic separation, identity controls, service-based communications, and network slice isolation. Participants examine how design choices influence operational access, security monitoring, availability, and incident containment. The emphasis is on documented design decisions and the responsibilities associated with implementing them in commercial or private mobile networks.

Well-designed trust boundaries strengthen cybersecurity by limiting unauthorized movement and exposure between network services. Security-focused architecture also improves cybersecurity resilience through controlled interfaces, observability, and recovery-oriented design.

A practical training approach includes exercises, real-world case studies, and examples of processes and documentation used in secure 5g architecture projects.

Learning Objectives

• Explain the principal 5G system domains and their architectural trust relationships.
• Design clear separations among network control, user, and management traffic.
• Assess authentication, authorization, and secure communication requirements for service interfaces.
• Evaluate network slice isolation and supporting cloud infrastructure security controls.
• Identify interconnection, third-party, and administrative access design risks.
• Document architectural safeguards, residual risk, and implementation ownership.
• Improve cybersecurity through defensible 5G security design and review practices.

Audience

• Cybersecurity Professionals
• 5G Network Architects
• Telecommunications Security Engineers
• Cloud Infrastructure Architects
• Mobile Core Specialists
• Network Design Reviewers
• Private Network Engineers
• Network Operations Managers

Course Modules

Module 1: 5G Architecture and Trust Boundaries

• Identify access, core, transport, and external service architecture domains
• Map critical trust boundaries and network service communication paths
• Distinguish control plane, user plane, and management plane responsibilities
• Identify threats introduced by distributed network function placement
• Document architecture assumptions and managed service ownership boundaries
• Create security architecture diagrams with explicit interface annotations

Module 2: Identity Authentication and Authorization Design

• Review subscriber authentication and network security context establishment
• Map network function identities and service authorization relationships
• Assess certificates and mutual authentication for applicable service interfaces
• Define privileged administrator identity and least privilege design requirements
• Identify key management dependencies across critical network functions
• Document identity lifecycle requirements and delegated operational responsibilities

Module 3: Secure Service Based Core Interfaces

• Identify service producer and consumer communication trust dependencies
• Review service discovery authorization and network function registration safeguards
• Assess Application Programming Interface security and input validation requirements
• Consider transport protection and certificate lifecycle governance for service calls
• Define exposure controls for external application service integrations
• Document service interface assumptions and failure handling expectations

Module 4: Segmentation Network Slicing and Isolation

• Define isolation objectives for distinct business and operational traffic
• Review network slice access policies and shared resource considerations
• Assess separation between control, user, and operational management traffic
• Map communication paths that cross logical service segmentation boundaries
• Plan independent access and monitoring controls for sensitive network segments
• Record residual risks associated with shared physical or cloud resources

Module 5: Cloud Hosting and Interconnection Protection

• Identify infrastructure security controls protecting virtualized network functions
• Review workload identity, trusted configuration, and administrative access boundaries
• Assess roaming and interconnection protection at external trust boundaries
• Consider Security Edge Protection Proxy responsibilities for interoperator communications
• Define secure update and configuration baseline governance expectations
• Coordinate provider and operator responsibility for infrastructure security evidence

Module 6: Architecture Review and Design Governance

• Build design review checklists linked to specific security requirements
• Identify high impact failure modes and availability dependencies
• Assess monitoring coverage across service and network infrastructure boundaries
• Document design alternatives, tradeoffs, and residual security exposure
• Define acceptance criteria before operational deployment approvals
• Update architecture documentation following approved changes and review findings

Design mobile networks with security considered from the outset. Enroll in Secure 5G Architecture Training by Tonex to strengthen architectural decisions and service protection.