Canberra Cyber Security Specialists for Defence & Critical Infrastructure
Canberra Cyber Security Consultancy | Local Experts in Risk, Compliance & Technical Delivery
Calexi is a Canberra-based cyber security consultancy and one of the leading cyber security companies in Canberra, specialising in tailored cyber security, ICT engineering, OT security and compliance outcomes for Defence, government and critical infrastructure organisations. As trusted Canberra cyber security specialists, our cleared consultants deliver practical risk reduction, compliance uplift and high-assurance solutions grounded in real-world operational experience.
Featured Services
Calexi operates as a Canberra-based cyber security consultancy, supporting Defence, government and regulated organisations with high-assurance cyber, ICT engineering and compliance services. As one of the trusted cyber security companies Canberra organisations turn to, Calexi combines local presence with national capability and cleared consultants experienced in high-assurance environments.
🛡️DISP Essential Eight (ML2) as a Service
Outcome-led Essential Eight Maturity Level 2 for Defence SMEs. Delivered as a managed service, not a one-off assessment.
Canberra organisations whether in the Defence supply chain, ACT government or critical infrastructure sectors all benefit from outcome-led Essential Eight and DISP uplift delivered with local understanding and on-ground support from trusted Canberra cyber security companies.
We help Defence industry and regulated SMEs achieve and maintain Essential Eight Maturity Level 2 without building enterprise security capability in-house. Our approach is transparent, Defence-aligned, and designed to scale for small teams while remaining audit-ready at all times.
Key capabilities
- Essential Eight ML2 delivered as an operational service
- Identity, endpoint, and configuration hardening
- Centralised logging, monitoring, and evidence generation
- DISP-aligned documentation and assessor-ready evidence packs
🔐 Cyber Security
Hardened systems that meet compliance and withstand attack.
As a leading Canberra cybersecurity consultancy we provide cyber security services to Canberra organisations operating in Defence, government and regulated environments. Our work focuses on practical risk reduction, operational resilience and meeting Australian regulatory obligations such as the ISM, PSPF, SOCI Act and Essential Eight.
From Essential Eight uplift through to secure-by-design architecture, we deliver practical solutions that reduce risk without adding unnecessary overhead. Our consultants are cleared, accredited, and experienced in uplifting environments to ISM, PSPF, DISP and international standards.
- Risk assessments and secure architecture
- Vulnerability detection and remediation
- Accreditation and compliance support
- Incident response readiness
⚙️ ICT Engineering
Build systems that pass accreditation the first time.
We engineer ICT environments that are reliable, secure, and fit-for-purpose. Whether modernising networks, migrating workloads, or integrating Defence-grade systems, we balance compliance with operational performance.
Our Canberra-based ICT engineering services support organisations that require secure, resilient and compliant systems. This includes Defence suppliers, ACT government entities and regulated SMEs operating in high-assurance environments.
- Secure network and server design
- Cloud and on-prem integration
- Compliance-ready builds (ISM, PSPF, DSPF, Essential 8, ISO27001)
- Full lifecycle engineering: assess → design → implement → assure
🏭 Operational Technology (OT) Security
Protect the systems that keep the lights on.
Operational Technology (OT) environments demand specialised protection. We help critical infrastructure operators secure SCADA, industrial controls, and field systems against disruption and cyber threats — without impacting reliability or safety.
We deliver OT and industrial cyber security services to Canberra and ACT organisations responsible for critical infrastructure, utilities and operational systems. Our approach balances cyber risk reduction with safety, availability and regulatory compliance.
- Risk analysis for OT and SCADA
- Network segmentation and isolation
- Threat detection and monitoring
- Compliance with SOCI, ISM, and industry standards
Our Method: Continuous Improvement
Every Calexi engagement follows a structured, repeatable cycle — Assess, Design, Implement, Assure & Evolve — ensuring systems remain secure, compliant, and mission-ready over time.
Supporting Capabilities
Canberra organisations also engage Calexi for supporting cyber and ICT capabilities where local context, security clearance and trusted delivery are critical. Beyond our core services, Calexi provides a full suite of ICT and security support to help organisations stay resilient and mission-ready.
Cloud Solutions – Secure migrations, hybrid integration, and sovereignty-aligned architectures.
Networking & Infrastructure – Design, deployment, and hardening of LAN/WAN, wireless, and secure gateways.
Governance, Risk & Compliance – Policy frameworks, DISP preparation, audits, and executive briefings.
Managed IT Services (MSP) – Proactive managed IT services covering infrastructure, cloud, users, and security to keep systems stable, secure, and operating reliably.
Systems Engineering and Integration Services – Design and integration of complex ICT systems for mission-readiness.
Project Management and Recovery – Delivery of projects on time, or recovery of those at risk.
Technology Development and Innovation – Prototyping and emerging tech solutions for a decisive edge.
DISP & Essential Eight Uplift – Cost-effective Defence DISP and Essential Eight compliance uplift for Australian SMEs.
Training & Development – Tailored workforce uplift, Essential Eight training, and cyber awareness programs.
Business Continuity & Disaster Recovery – Planning, testing, and resilience engineering for mission-critical environments.
Our Canberra Community and Local Engagement
Calexi is a Canberra-based cyber security and ICT consultancy, actively engaged in the ACT business, Defence, and cyber security community.
We work alongside local organisations, industry groups, and veteran-led networks to support the delivery of secure, sovereign ICT capability for government and regulated environments.
Our involvement in Canberra-based industry initiatives reflects our commitment to contributing to the local cyber ecosystem, supporting trusted collaboration, and maintaining a strong understanding of the regulatory, security, and operational context unique to the Australian Capital Territory.
Canberra Business Chamber
Canberra Cyber Hub
Why Choose Calexi as Your Canberra Cyber Security Consultancy?
Canberra organisations operate in a unique environment shaped by Defence, federal government, and critical infrastructure obligations. Calexi is based in Canberra and understands the local operating context, procurement environment and regulatory expectations.
Clients engage us because we combine local presence with national capability.
- Canberra-based cyber security specialists with cleared consultants
- Real-world cyber security solutions for local government, Defence and critical infrastructure
- Trusted among Canberra cyber security companies for technical depth and compliance outcomes
- Tailored risk reduction and governance guidance aligned to ISM, PSPF and SOCI Act requirements
Our team of Canberra cyber security specialists brings deep experience in compliance, risk reduction and secure design for highly regulated environments and is ready to help you.
Talk to Canberra Cyber Security Specialists & Consultancy Team
Speak with one of the leading cyber security companies in Canberra for tailored advice, risk reduction and compliance solutions.