Enterprise support
Strengthening enterprise security posture and compliance confidence.
We support enterprise and large organisations by strengthening governance, risk and compliance (GRC) frameworks, uplifting enterprise security posture, and delivering assurance against industry and regulatory standards.
Our team works with leadership and technical stakeholders to assess current maturity, identify gaps, and design practical security and compliance roadmaps that align with your organisation’s risk profile and operational needs.
From policy and control design through to audit readiness, risk management, and ongoing compliance assurance, we help organisations meet requirements across frameworks such as ISO 27001, NIST, Essential Eight, SOC 2, and sector-specific obligations - enabling confident decision-making, defensible security outcomes, and sustained resilience.
Protection, Resilience & Confidence - Built for Complex Environments
We partner with enterprise organisations and government agencies to deliver enterprise-grade IT management, cyber security, and compliance solutions designed for mission-critical operations. Whether you’re protecting sensitive data, maintaining continuous service delivery, or navigating complex regulatory environments, we ensure your technology works securely and reliably, 24/7.
Enterprise IT Management
We manage your IT infrastructure end-to-end - from systems, networks, and devices through to continuous performance monitoring. Our proactive approach means issues are identified and addressed before they become business-critical, ensuring reliable performance, stability, and continuity.
Advanced Cyber Security
We protect your organisation against modern cyber threats through a comprehensive, layered security approach. This includes continuous security monitoring, advanced threat detection and response, vulnerability and patch management, identity and access controls, and rapid incident response planning.
Where required, we also provide digital forensics and investigation support to help organisations respond to and recover from cyber incidents effectively. Every solution is tailored to your environment, using proven technologies and threat intelligence to keep your systems secure and operational.
Governance, Risk & Compliance (GRC)
Strong security goes beyond technology - it requires clear governance, effective risk management, and compliance with regulatory obligations. We help organisations develop and simplify governance frameworks, meet regulatory and insurer requirements, build internal awareness through training, and maintain documentation that stands up to audits and compliance reviews.
Our GRC approach ensures you don’t just meet requirements - you manage cyber risk confidently, consistently, and sustainably.
Book a conversation with one of our experts to discuss your requirements and assess the right approach for your organisation.
Cyber Risk & Maturity Assessments
Security Governance & Policy Frameworks
Compliance & Assurance Readiness
Third-Party & Supply Chain Risk Management
Incident Response Planning & Exercising (Tabletops)
Partnerships
C5 Defence Group is a trusted partner to clients across Australia, delivering compliant, secure, and continuity-focused solutions through close collaboration.
