Managed IT & Cyber Security for Defence Industry
Calexi provides secure, fully managed IT, cyber security and ongoing Essential Eight and DISP support for Australian Defence suppliers. We also support Australian businesses, critical infrastructure and government.
Built for Defence. Trusted by Australian businesses.
Australian Owned
Veteran Owned
Security Cleared
Microsoft Partner
DISP Experience
Defence Industry Managed Services
One provider for IT, cyber security and ongoing compliance support.
Defence suppliers need reliable IT and security controls that hold up to scrutiny. Calexi manages day-to-day technology and cyber security while helping your business implement and maintain its Defence security obligations.
Our Defence services include:
- Essential Eight implementation and ongoing management
- DISP preparation and ongoing support
- ISM-aligned security engineering
- PSPF governance and personnel security support
- Cyber security monitoring and incident support
- Evidence, risk and security reporting
Managed IT Services
Your outsourced IT team, from daily support to long-term planning.
We take responsibility for your day-to-day IT operations, from supporting staff and managing Microsoft 365 to maintaining devices, networks and backups. You get a dependable service desk and experienced engineers without building an internal IT department.
Services
- IT Support
- Microsoft 365 Management
- Device & Endpoint Management
- Cloud Services, Backup & Disaster Recovery
- Networking & Wi-Fi
- Procurement
- Virtual CIO
Managed Cyber Security
Security that’s built in, not bolted on.
We build security into your managed IT environment, with practical protection, continuous monitoring and clear incident escalation. Additional capabilities are tailored to your risk profile and operational requirements.
Capabilities:
- Endpoint and email protection
- Identity and access management
- Vulnerability and patch management
- Security monitoring and managed SIEM
- Incident response and recovery support
- Security architecture and assessments
- Security awareness and risk management
Microsoft 365
Secure Microsoft 365, properly managed.
We design, secure and manage Microsoft 365 for organisations with demanding security requirements. From identity and endpoint management to collaboration, backup and licensing, your Microsoft environment is managed as part of your wider IT service.
We support:
- Microsoft Copilot
- Entra ID
- Intune
- Exchange Online
- Teams
- SharePoint
- OneDrive
- Microsoft Defender
Why Choose Calexi
Australian
Experts
Australian engineers who understand Defence suppliers, regulated environments and the importance of dependable support.
Security
First
Every managed service is designed with security built in from day one.
Practical
Advice
Practical engineering and advice focused on your operational risks and business requirements.
Defence
Expertise
Defence experience across ICT operations, Essential Eight, DISP and secure Microsoft 365.
One
Partner
Managed IT, cyber security and ongoing compliance support from one accountable Australian provider.
Built for
Growth
Managed services that can adapt as your team, contracts and security requirements change.
Who We Help
We specialise in Defence industry and provide targeted IT, cyber security and consulting services across three additional markets.
Defence Industry
Secure managed IT, cyber security and continuous Essential Eight and DISP support for Australian Defence suppliers.
Australian Businesses
Reliable outsourced IT, Microsoft 365 and cyber security for organisations that need a dependable technology partner.
Critical Infrastructure
Specialist ICT engineering, cyber security and resilience for operators of essential services.
Australian Government
Security-cleared consultants supporting ICT engineering, cyber security and project delivery.
Our Work
![Automated patching and WDAC application control protecting a Defence industry engineering environment.]()
Essential Eight ML2 Automated Patching and Application Control for Defence Industry
A Defence SME needed DISP compliance but faced limited resources and low security maturity. Calexi delivered a full uplift within 6 months, achieving Maturity Level…
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Cyber Security Tabletop Exercise for a Critical Infrastructure Water Operator
A transport critical infrastructure project was at risk due to cascading system failures caused by poor maintenance in a high-security environment. Calexi rapidly stabilised the…
![A glowing digital shield symbolising Defence assurance stands at the centre, surrounded by four illuminated pillars. Each pillar features an icon representing a DISP domain: governance, physical security, personnel security, and information & cyber security. The image uses blue and teal tones with subtle circuitry patterns to convey trust, structure, and compliance.]()
DISP – Defence Industry Security Program Uplift
A Defence SME needed DISP compliance but faced limited resources and low security maturity. Calexi delivered a full uplift within 6 months, achieving Maturity Level…
Secure IT for organisations that cannot afford to stand still.
Talk to Calexi about managed IT for your Defence business, specialist cyber security or a security-cleared consulting engagement.