who we are.

Welcome to 4walls Cyber Advisory – where we’re passionate about safeguarding your organisation’s cyber ecosystem.

With a wealth of knowledge, expertise, and hands-on experience, our team is well-equipped to guide you on your cyber security journey.

At the helm of our dedicated team is our founder and director, Nik Devidas. Nik has transformed the way businesses protect their digital assets and operations, delivering tailored cyber security solutions and strategies that address unique needs and challenges.

meet our leadership.

In 2003, Nik co-founded Rock IT, building it into a world-ranked Managed IT Services Provider that he successfully led until its acquisition twenty years later in 2023. Nik is an experienced company director, holding positions on privately held companies and government boards, including Barwon Water Corporation and Barwon Asset Solutions.

With over two decades of experience overseeing IT systems and governance oversight, 4walls Cyber Advisory delivers simplified cybersecurity solutions. This expertise forms the cornerstone of our approach—providing practical guidance to bridge gaps, strengthen controls, and enhance security with clarity and precision.

Nik DevidasDirector
Nik Devidas brings over two decades of IT and cybersecurity expertise to 4walls Cyber Advisory, delivering clear, impactful strategies that empower organisations to enhance their cybersecurity resilience. As a Non-Executive Director of Barwon Water and Barwon Asset Solutions, Nik leverages his governance experience to ensure that 4walls’ services are strategically aligned, effective, and resonate with both executives and board directors.

Under Nik’s vision and leadership, 4walls has emerged as a trusted partner in cybersecurity, renowned for its commitment to innovative solutions and client-focused success. His approach combines technical acumen with a genuine dedication to client outcomes—ensuring that cybersecurity becomes a managed strength rather than a source of uncertainty.

Beyond his professional expertise, Nik’s passion for community involvement and sports embodies the values of resilience, teamwork, and support that are fundamental to 4walls. These qualities provide clients with the assurance that they are working with a leader who prioritises protection, performance, and a collaborative approach to achieving security excellence.