IT Infrastructure Audit Checklist

A practical checklist for planning and executing an IT infrastructure audit. Use it for networks, servers, cloud and data center readiness.

An IT infrastructure audit gives enterprises and data centers an independent view of the health of their technology backbone. This checklist helps you scope and prepare for an audit so you can get a clear quality score, gap analysis and improvement roadmap. Whether you are in India, the Middle East or elsewhere, the same principles apply.

Before the Audit: Scope and Objectives

Define why you are running the audit: internal governance, vendor due diligence, regulatory or certification readiness, or annual health check. Agree which parts of the infrastructure are in scope: data center facility, networks, servers, storage, cloud and hybrid, disaster recovery. Identify stakeholders and who will receive the report. Confirm whether the audit will be on-site, remote or hybrid. Decide if you need a one-time assessment or ongoing monitoring.

Network and Connectivity

Document network topology, segmentation and key links. Plan for network performance testing: throughput, latency, packet loss and jitter. Include structured cabling and fibre certification where relevant. For WiFi and wireless, plan coverage and capacity assessment. Ensure the auditor has safe access to test environments and that change windows are agreed. Include connectivity to cloud and hybrid infrastructure if in scope.

Servers, Storage and Compute

List critical servers, virtualisation and container platforms. Document storage and backup architecture. Plan for capacity and performance checks. Include configuration and patch levels in scope. If you use cloud or hybrid, include validation of connectivity, identity and configuration. Ensure the auditor can access runbooks and operational procedures where needed.

Data Center Facility (If Applicable)

If the audit includes physical data center, use a data center audit checklist: power and cooling resilience, redundancy, environmental controls, physical security and cabling. Have as-built and operational documentation ready. Plan for any facility testing (e.g. load, failover) with facilities and operations teams.

Disaster Recovery and Resilience

Document DR and business continuity design and runbooks. Plan for DR and resilience testing if in scope: failover, RTO/RPO validation. Ensure the auditor can review recovery procedures and, where agreed, observe or participate in tests.

Security and Compliance

If the audit includes security posture, align with your network security audit and compliance objectives. Have policy and governance documentation available. If you are preparing for ISO 27001 or other certification, share scope so the infrastructure audit can support evidence and controls.

During and After the Audit

Provide a single point of contact and ensure technical teams are available for questions and access. After the audit, review the quality score and report with stakeholders. Use the improvement roadmap to prioritise actions. Schedule follow-up or annual audits if you want ongoing assurance.

AssureSQ provides IT infrastructure audit services across India and globally. For a tailored checklist and scope, get in touch or request an assessment. See also our guides on how to prepare for an IT audit and annual IT health check for enterprises.