Network Architecture Assessment
Review network topology, connectivity paths, trust boundaries and critical dependencies to identify weaknesses and improvement opportunities.
Network Infrastructure Security
Build a Stronger Network. Keep Your Business Connected.
Protect the network infrastructure that connects your people, applications, devices and locations. Petabyte helps strengthen network architecture, secure connectivity, improve segmentation and reduce infrastructure exposure.
Network architecture review
Secure connectivity
Infrastructure resilience
NETWORK INFRASTRUCTURE MODEL● ILLUSTRATIVE
Core NetworkSwitching, routing and network paths
Perimeter ControlsFirewalls and traffic restrictions
Network SegmentsControlled access between zones
Visibility & MonitoringEvents, logs and troubleshooting
Infrastructure security prioritiesASSESS → HARDEN → REVIEW
Conceptual illustration — not a live network monitoring dashboard.
Protection across network environments
Routing & Switching
Firewalls
LAN & WAN
Hybrid Connectivity
Our Capabilities
Secure the Network Foundations Your Business Depends On
Reliable infrastructure requires secure architecture, controlled traffic flows, appropriate device configurations and clear operational visibility. Our approach helps identify weaknesses and strengthen your network environment.
Firewall & Perimeter Security
Review firewall policies, exposed services, rule sets and administrative access to reduce unnecessary network exposure.
Routing & Switching Security
Strengthen network-device configurations, management access and routing controls in line with your environment and operational needs.
Network Segmentation
Separate systems and workloads into appropriate security zones and restrict unnecessary communication between network segments.
LAN, WAN & Remote Connectivity
Review connectivity between offices, data centres, cloud services and remote users to support secure and reliable access.
Network Visibility & Monitoring
Improve access to network events, configuration changes, traffic records and relevant alerts to support troubleshooting and investigation.
Secure Network Management
Strengthen administrative interfaces, management protocols, credentials and privileged access to network infrastructure devices.
Infrastructure Vulnerability Management
Identify outdated firmware, unsupported devices, known vulnerabilities and configuration gaps, then prioritise corrective actions.
Availability & Resilience
Review redundancy, critical network dependencies, recovery arrangements and operational safeguards that help maintain connectivity.
Our Security Framework
Four Steps to a More Resilient Network
Use a structured approach to understand your infrastructure, reduce exposure and improve the security and reliability of network operations.
PHASE 01
Discover
Map network devices, connectivity paths, critical services, trust boundaries and dependencies.
PHASE 02
Assess
Review configurations, firewall rules, management access, vulnerabilities and segmentation.
PHASE 03
Harden
Prioritise configuration changes, access restrictions and traffic controls based on risk.
PHASE 04
Maintain
Improve monitoring, configuration reviews, patch planning and resilience processes.
How We Work
A Clear Process for Network Infrastructure Security
Network changes must account for availability, existing dependencies and business operations. We use a scoped, risk-based approach to help make security improvements practical.
Understand Your Network
Review the architecture, devices, network zones, connectivity requirements and existing security controls.
Identify & Prioritise Risks
Document findings, assess their potential impact and recommend improvements according to business criticality.
Strengthen & Validate
Support agreed remediation, validate configuration changes and establish a process for continued review.
Connected Security Solutions
Connect Network Protection With Your Wider Security Strategy
Network infrastructure security works alongside cloud security, identity controls, endpoint protection and continuous security monitoring.
Frequently Asked Questions
Network Infrastructure Security FAQs
Learn about the practices that help secure network devices, connectivity and infrastructure availability.
Network infrastructure security protects the devices, connections and services that move data across an organisation. It includes secure configurations, firewall policies, segmentation, management access, monitoring and resilience controls.
Network security is the broader discipline of protecting network traffic, access and resources. Network infrastructure security focuses particularly on the underlying architecture and components, including routers, switches, firewalls, network links and their configurations.
Segmentation divides a network into controlled zones. When configured appropriately, it can restrict unnecessary communication, limit lateral movement and help contain the impact of a compromised system.
Depending on the agreed scope, an assessment may include topology review, device configuration checks, firewall rule analysis, administrative access review, vulnerability identification and resilience recommendations.
Changes to routing, firewall rules or device configurations can affect connectivity if not properly planned. Changes should follow documented approval, testing, maintenance-window and rollback procedures appropriate to the environment.
Review frequency depends on network criticality, changes, vulnerabilities and compliance requirements. Periodic assessments combined with ongoing monitoring and change management help maintain security as infrastructure evolves.
Build a More Secure and Resilient Network.
Talk to Petabyte about your network architecture, infrastructure risks and a practical plan to strengthen connectivity and protection.