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About Us

A rare new breed of cyber defender

Skadi Solutions protect the essential services that sustain modern society

The Mission for More Resilient Critical Infrastructure

At Skadi Solutions, our mission is simple – to drive the continuous improvement of cybersecurity resilience for Critical Infrastructure providers, regardless of their size or operational constraints. By delivering measurable, meaningful reductions in the IT/OT attack surface, we are shaping a future where OT threats no longer dictate fear but are met with confidence and control.

We help providers with the following key objectives:

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Foster a positive security culture that transcends traditional IT / OT silos, resulting in a unified approach to cyber security resilience across the organisation
Apply consequence-driven cybersecurity engineering (CCE) principles, to prioritise protections that directly safeguard critical operations against real-world risks
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Embed cyber security into the engineering lifecycle, ensuring secure-by-design is a fundamental part of all system design and implementation
Establish an on-going commitment to continuous improvement, demonstrating measurable increases toward critical infrastructure resilience over time
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Invest in security controls which support digitisation initiatives and improved service efficiency, enabling rapid innovation without compromising on cyber security
Align with leading industry guidance and frameworks, enabling best-practice architecture deployment and on-going regulatory compliance
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What Makes Us Different

Skadi Solutions is Australia’s first independent enterprise-focused cyber security firm dedicated to Critical Infrastructure.

As targeted threats and increasing regulation put greater pressure on CI asset owners, many IT-focused providers are expanding into the OT security space. Additionally, a growing number of OT security firms have emerged, positioning themselves as domain-specific experts aiming to fill the gap.

However, few truly understand the complex, interconnected nature of both domains.

The reality is that true resilience demands an enterprise-wide security approach that spans both digital and OT business functions. At Skadi Solutions, we meet this need with sector-specific expertise and a suite of carefully crafted cyber security designed to enable organisations to take systematic steps toward enterprise-wide resilience.

In a sector clouded by fear, uncertainty, and doubt, Skadi Solutions brings the focus back to principled cyber security controls, proven to deliver value to IT and OT professionals alike.

The name, Skadi Solutions, is derived from the Norse goddess Skaði, a symbol for strength, agility, and adaptability. Just as Skaði thrives in the harshest environments, we empower our customers to embrace resilience amid an ever-increasing number of cyber security threats.

Built on the foundations of Australia’s foremost cyber resilience initiative for Critical Infrastructure

Skadi Solutions was founded in 2024 by Daniel Castillo, a rising star and influential voice gaining prominence in Australia’s IT/OT cyber security community. With a background in Mechatronics engineering, Daniel has over 8 years of hands-on experience in industrial automation solutions and enterprise cybersecurity across industries such as energy, councils, data centers, corrections, healthcare, mining, airports, commercial real estate, and more.

Former OT cyber security specialist within the Australian Government’s Critical Infrastructure Uplift Program (CI-UP), Daniel worked alongside some of the nation’s top cyber security experts to improve the resilience of Australia’s most vital CI providers. He remains focused on the mission, demonstrating that cyber resilience is achievable and accessible for CI providers big and small.

A passionate community leader, Daniel shares his expertise at industry forums such as the Realms of Cyber, Engineer’s Australia, and is an active board member for the International Society of Automation (ISA). Under his leadership, Skadi Solutions is setting new benchmarks for cyber resilience in critical infrastructure, enabling businesses to confidently address evolving threats.

Our Community of Experts

Skadi Solutions is building a team of specialists with deep expertise across numerous engineering and security domains. With our combined experience, we have fostered a deep understanding of the operational nuances and competing priorities that define Critical Infrastructure organisations. As a result, we are uniquely positioned to deliver practical, actionable guidance that aligns with the best interests of the entire business – from C-level executives to the most seasoned field operators. By bridging the gap between engineering, security, and leadership, we empower organisations to embrace digital transformation while upholding the cyber security principles critical to national security.

Security
Operations

SCADA / DCS
Engineering

Controls
Engineering

Telecom

Security
Architecture

Field Service
Maintenance

Governance
& Risk

Systems
Engineering

Schedule a call with us today and experience
the Skadi Solutions difference