Cyber Security Services, Solutions & Consultancy for Government, SMEs and Critical Infrastructure
Calexi delivers practical, high-assurance cyber security services and cyber security solutions for Australian small to medium businesses, local government, and government-aligned organisations. Our cyber security consultants work with organisations operating in regulated and high-risk environments, providing tailored outcomes that align with Australian government frameworks such as ASD, ISM, DISP, and the Essential Eight. We focus on outcomes that are sustainable, auditable, and appropriate to organisational size and risk.
Our cyber security consultants work with organisations operating in regulated and high-risk environments, providing defensible cyber security solutions aligned with ASD, ISM, Essential Eight, and DISP requirements. We focus on outcomes that are sustainable, auditable, and appropriate to organisational size and risk.
Cyber Security Designed for Real-World Operations
At Calexi, cyber security is more than protection, it’s about building trust, resilience, and operational confidence. Our secure-by-design approach integrates defence-grade controls across your IT and OT environments, ensuring your systems are not only protected but aligned with Australian government standards such as ISM, PSPF, and the ACSC Essential Eight.
Calexi’s services cover full-lifecycle cyber security engagement from strategic assessment and risk roadmaps to implementation, compliance support and ongoing monitoring tailored to meet government frameworks and SME operational realities.
We work with clients across Defence, national security, and critical infrastructure to design, build, and accredit high assurance ICT environments. From cyber maturity assessments and vulnerability scanning to strategic remediation roadmaps and executive advisory, we help you proactively manage risk and demonstrate compliance at every step.
Our experienced consultants combine technical depth with mission focus. Whether you’re designing a new network, recovering from legacy risks, or aligning cyber programs with business goals, Calexi brings clarity, precision, and outcomes that hold up in the real world.
Cyber Security Consultants with Government and SME Experience
Our cyber security consultants have delivered services across Defence, local government, and regulated SME environments, translating complex requirements into clear, implementable actions.
- Practical, fit-for-purpose cyber security solutions tailored for organisational size and risk profile
- Defence-grade secure architecture and solution implementation
- ISM, PSPF, and Essential Eight compliance solutions
- OT and critical infrastructure cyber protection
- Cyber maturity assessments and executive briefings
- Strategic cyber security advisory and governance
- Business and cyber program alignment
- Remediation planning and risk reduction
- Classified network design and accreditation
- Cyber threat detection and continuous monitoring
- Stakeholder engagement and reporting at all levels
Expert Cyber Security Consultants & Tailored Solutions for Government and SMEs
Calexi’s cyber security consultants combine strategic insight with hands-on technical delivery, helping organisations define requirements, assess risk, and build sustainable cyber security capability. Whether you’re seeking high-level advisory or embedded consultant support, our team brings clarity and outcomes that hold up under audit and in operational environments.
Practical Cyber Security Solutions, Not One-Size-Fits-All Platforms
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SME Essential Eight Compliance
A Defence industry SME required Essential Eight compliance to execute a Defence contract. Calexi delivered a full uplift in just four weeks, achieving ML1 across all areas, ML3 in key controls, and DISP membership within 3 months — reducing risk from very high to low/medium.
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Critical Infrastructure Uplift
A transport-sector organisation faced compliance gaps and conflicting advice. Calexi identified redundant technology, leveraged existing licences, and implemented targeted improvements, saving hundreds of thousands while delivering major security and compliance uplifts — without disrupting critical operations.
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Cyber Induction Course for Defence & Government
We designed and delivered a cyber induction course tailored for Defence and government staff, training over 300 participants across five departments. Our hands-on, practical approach bridged skill gaps, improved awareness, and built a consistent baseline of cyber security understanding across diverse audiences.
Why Calexi
Calexi is veteran-owned, values-driven, and mission-focused. Our consultants hold Australian security clearances and bring hands-on experience in cyber security, critical infrastructure, and high-assurance system delivery. We understand the regulatory landscape and operate with the discretion, structure, and clarity that Defence and government expect.
What sets us apart is our ability to combine strategic insight with technical delivery, helping you align cyber security with business outcomes, manage compliance risk, and build lasting operational resilience.
Our Canberra team continues to grow if you are interested in exploring our current opportunities with our cyber security jobs in Canberra visit our careers page and join specialists working on high-assurance projects that matter.
FAQ
Cyber security services cover the assessment, design, implementation, and ongoing management of controls that protect systems, data, and operations from cyber threats. At Calexi, our cyber security services are risk-based and proportionate, supporting organisations to meet business objectives while aligning with Australian Government frameworks such as the ISM, PSPF, and the Essential Eight.
A cyber security consultant provides expert advice and hands-on support to help organisations understand risk, define requirements, and implement effective security controls. Calexi’s cyber security consultants work closely with business and technical stakeholders to translate complex security obligations into practical, defensible actions that stand up to audit and real-world operational demands.
Our cyber security solutions are not based on one-size-fits-all platforms or bundled enterprise tooling. We design fit-for-purpose solutions tailored to organisational size, risk profile, and regulatory obligations. This approach ensures security uplift is sustainable, auditable, and appropriate for SMEs, local government, and government-aligned environments.
Yes. We deliver cyber security services for small and medium businesses operating in regulated, high-risk, or government-adjacent environments. Our approach recognises SME constraints while ensuring controls are defensible, scalable, and aligned with recognised standards such as the Essential Eight and relevant government guidance.
Calexi provides cyber security services and consultancy for local government and public sector organisations, including councils and statutory authorities. We help organisations manage cyber risk within constrained budgets, complex governance arrangements, and increasing regulatory expectations.
Yes. Our cyber security services and solutions are aligned with ASD and ACSC guidance, including the ISM, PSPF, and the Essential Eight. We take a practical, risk-based approach that supports compliance while avoiding unnecessary complexity or over-engineering.
Organisations typically engage a cyber security consultant when facing increased risk, regulatory obligations, incident recovery, or growth into government or critical infrastructure environments. Early engagement helps ensure security decisions are proportionate, defensible, and integrated into business operations from the outset.
No. While we have deep experience in government and Defence-aligned environments, our cyber security services are equally suited to SMEs, local government, and regulated industries that require credible, high-assurance outcomes without enterprise overhead.
Talk to a Cyber Security Consultant today
Whether you’re an SME, a council, or a government organisation, our consultants can help you diagnose risks, define priorities, and implement cyber security solutions that deliver measurable assurance.