About Us

Diamond Cyber Security was founded by former Australian Special Forces personnel with the aim of providing the private sector with the discipline, governance, techniques and leadership in cyber security enjoyed by the Australian Defence Force; to Provide Security Through the Offensive Lens.

These experiences are complemented by our staff’s commercial insights from the Management Consulting industry, operational experience across IT Managed Services and security expertise from sectors including Financial Services, Mining & Resources, Oil & Gas, Government, Law and Technology.

Our continued success comes from our ability to deliver measurable, pragmatic value to our clients, be disruptive in our efforts to challenge conventional thinking, and to build robust solutions to mitigate and manage today and tomorrow’s cyber security problems.

Australian SAS
bespoke security

We Tailor to the Task

We are responsive by design and will dynamically change our structure to suit the unique requirements of each client engagement.
Our collective experience provides optimum outcomes for client engagements, leveraging diverse sector experience and an understanding of Strategic, Tactical and Operational requirements.

No matter the task, we deliver intelligence led security services and solutions to provide insights from a cyber adversary’s perspective, modeling how client networks are targeted. This intelligence is developed through open source intelligence, reconnaissance and client information.

Executive Team

Michael Malone


Michael is an Australian technology entrepreneur and business executive with over 20 years of experience. He started iiNet from his garage and led the company to become the second largest Internet Service Provider in Australia with revenues of over $700 million.

Michael founded Diamond Cyber after noticing a significant opportunity in the market when businesses were becoming more cognizant to threats to security

Sven Ross

Co-Founder - CEO

Sven is a highly experienced ICT consultant with more than 17 years experience in the Australian Army as a Special Forces communications officer. Throughout his years of service he was responsible for protecting the corporate data of Australia’s most elite forces. Sven’s military training coupled with his extensive experience has made him a highly skilled ICT security specialist.​

Sven has held a range of positions, including Information Systems Security Officer responsible for the Sydney region of the Defence classified networks, as well as being the CIO of the 2nd Commando Regiment.

Alex Heidenreich

Co-Founder - Director

Alex has more than 20 years’ experience within Defence ICT, primarily serving as a Special Forces officer within the Special Air Service Regiment.​ ​Alex led a team of 120 Special Forces ICT specialists to develop, secure and deploy a complex and diverse array of high-readiness global telecommunications systems, capable of high-reliability communication within extreme Information Security threat environments.​
Alex developed and employed offensive and defensive cyber security capabilities in support of complex, high risk and strategically-sensitive Special Operation activities within both global and domestic contexts.

Adam de Jong

Chief Commercial Officer

Adam is an experienced executive who possess specialist skills in leadership, strategy, and business development and has global experience across multiple sectors and industries. Adam spent 5 years on active duty in the United States Marine Corps and is a combat veteran having served several deployments in support of Operation Iraqi Freedom. Adam is passionate about creating sustainable business and service models that deliver long term value to clients and partners. Please contact Adam directly for partnership or business related opportunities – adam.dejong@diamondcyber.com