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.
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.
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.
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.
Defence required cyber exercises that reflected its unique environment and policies. Calexi delivered dynamic cyber tabletop exercises that improved response plans, created new playbooks, and uplifted staff readiness. The program trained 15 incident managers and received exceptional feedback for its realism — with lessons equally applicable to critical infrastructure operators.
An ASX-listed critical infrastructure company faced major risks from an aging, non-compliant ICT environment. Calexi staff delivered a hybrid cloud transformation during COVID-19, enabling 100% remote work, achieving E8 compliance in under a month, and ensuring no staff layoffs while strengthening security and scalability.
Defence faced mounting challenges in building a skilled cyber workforce, from costly overseas training to critical skills gaps. Calexi staff designed and delivered a sovereign training program that equipped over 300 personnel, including 30+ incident responders, while saving more than $2M and creating a sustainable pipeline of skilled SOC operators.
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.
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.
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.