# Calexi

> Canberra\-based managed IT, cyber security and cloud services for businesses across Australia\. Secure, reliable support backed by Defence industry experience\.

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## Pages
- [Privacy Policy](https://www.calexi.com.au/privacy-policy/)
- [About Calexi — Canberra Cyber Security \& IT Engineering](https://www.calexi.com.au/about-us/)
- [Small Business Cyber Security \& IT Services Australia](https://www.calexi.com.au/industries/small-business/)
- [Managed IT \& Cyber Security Australia](https://www.calexi.com.au/)
- [Cyber Security \& IT Engineering Services](https://www.calexi.com.au/services/)

## Case Studies
- [Cyber Security Tabletop Exercise for a Critical Infrastructure Water Operator](https://www.calexi.com.au/case-study/cyber-security-tabletop-exercise-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 systems in 2 weeks, reduced the risk profile from very high to medium, recommenced commissioning, and delivered a comprehensive maintenance plan with strong stakeholder confidence\.
- [SME Essential Eight Compliance](https://www.calexi.com.au/case-study/essential-eight-sme-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\.
- [Defence Capability Review](https://www.calexi.com.au/case-study/defence-capability-review/): Calexi completed a Defence cyber capability review in just six weeks, engaging hundreds of stakeholders to provide clear visibility of the current state, align future technologies with strategy, and deliver actionable, risk\-based recommendations with strong buy\-in\.
- [Ransomware Incident Response](https://www.calexi.com.au/case-study/ransomware-incident-response/): When a ransomware attack exposed poor practices and failed backups, Calexi led the recovery, restored three months of data, implemented emergency fixes, and re\-architected the ICT environment\. The organisation avoided major reputational and financial loss while strengthening long\-term resilience\.
- [Microsoft 365 Service Migration](https://www.calexi.com.au/case-study/microsoft-365-service-migration/): A Defence SME struggling with multi\-day outages migrated to Microsoft 365 under Calexi’s leadership\. The seamless migration achieved zero downtime, 100% staff adoption, and significant resilience uplift, enabling faster collaboration and growth\.

## Optional
- [Sitemap index](https://www.calexi.com.au/sitemap_index.xml)