Partner with us for reliable IT support. Contact us now and find out how we can streamline your IT needs!
Critical to a functioning society and vital to a vibrant economy, utilities are the engines that power every aspect of modern life. Set against a backdrop of critical dependency, resilience, and control, security and service continuity aren’t just aspirations for utility operators. They’re obligations to customers, regulators, and the nation.
Staying ahead in rapidly transitioning, digitised, and demand-heavy environments demands a technology partner that doesn’t just know your systems, but understands your unique pressures spanning security, interoperability, market complexity, demand variability, decentralisation, and more.
At Brennan, we connect technology with real operational outcomes. With a national footprint, nearly three decades of experience, and embedded sector expertise, our strategic thinking, proven know-how, and full-spectrum solutions bridge the worlds of IT and OT seamlessly.
And our True Performance System ensures we work closer, think sharper, and deliver solutions with measurable impact to help you unlock new levels of efficiency, reliability, and security across networks, infrastructure, cloud, control systems, applications, and beyond. Because we’re all about technology that works, not technology you’re sold.
With local cloud options, onshore support, and standards-aligned frameworks, we help you retain control over your most critical assets, from within Australian jurisdiction.
Protect operational uptime and citizen trust with security solutions tailored to critical infrastructure. From network segmentation to Zero Trust frameworks, Brennan’s cybersecurity approach reduces risk across both IT and OT environments.
We bring the depth, scale, and capability to rival global providers, while remaining agile, responsive, and grounded in local industry understanding. Whether integrating legacy infrastructure or leading a transformation, we’re in Australia, for Australia.
From ISO and SOC2 to the Security of Critical Infrastructure (SOCI) Act, we help you stay ahead of evolving compliance requirements without slowing progress. Our solutions are built to be secure, auditable, and future-fit.
Prevent outages and minimise service disruption with intelligent infrastructure design, proactive monitoring, and reliable support. We build systems that keep running – no matter the load, weather, or geopolitical conditions.
Employed in Australia’s electricity, gas, water, and waste services 2
1 GVA of Australia’s electricity, gas, water and waste services, 2024 – Statista
2 Electricity, gas, water and waste services workforce – Jobs and Skills Australia
3 Aussie clean energy investment reaches record highs in 2024 – Clean Energy Council
4 Infrastructure Market Capacity 2024 Report – Infrastructure Australia
Cyber incidents, ageing infrastructure and IT/OT boundary exposure present the greatest risk. A single failure can disrupt essential services and trigger regulatory scrutiny. Utilities must prioritise resilience, visibility and rapid incident response across both corporate IT and operational environments.
IRAP readiness involves aligning systems to the ISM, closing control gaps and maintaining evidence over time, not just passing an assessment. Utilities typically focus on identity security, logging, access control and documented risk treatment plans to support protected workloads and government supply‑chain requirements.
The IT–OT boundary must be tightly controlled to prevent lateral movement between environments. Effective approaches include network segmentation, monitored gateways and strict access controls. This allows operational systems to remain stable while reducing cyber risk exposure from corporate IT or external connections.
Yes. Cloud can be safely adopted when architectures align to ISM controls, data residency requirements and risk assessments. Many utilities use cloud for analytics, disaster recovery and non‑real‑time workloads while retaining strict controls over operational systems.
Operational continuity depends on layered security, real‑time monitoring and rehearsed incident response. Utilities with mature practices isolate affected systems quickly, restore from clean backups and maintain service delivery while investigations proceed. Testing these scenarios is as important as designing them.
Managed IT provides continuous monitoring, control uplift and compliance support that internal teams often struggle to sustain alone. For utilities, this supports SOCI Act obligations, reduces operational risk and ensures systems remain secure as threat and regulatory landscapes evolve.
Modernisation should focus on stabilisation first—improving visibility, security and backup—before introducing change. Incremental uplift, parallel environments and clear rollback paths reduce risk while enabling long‑term transformation – an approach that balances reliability with progress.
Partner with us for reliable IT support. Contact us now and find out how we can streamline your IT needs!