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Peter Soulsby

Director of Cyber Security & Government, Brennan

Where Brennan's security thinking starts

A leading Australian cybersecurity expert who combines executive-level strategy, operational leadership across multiple industries with technical authority in frameworks and architecture, Peter Soulsby has the ability of clearly communicating risk and resilience to business and mainstream audiences in real, human terms.

Peter Soulsby
Director of Cyber Security & Government

True security isn’t about doing everything. It’s about doing the right things well and knowing exactly why you’re doing them.

Background & Expertise

Why cybersecurity is a business problem, not an IT problem

Explore Peter’s biography, core capabilities, and a selection of the standout achievements that have shaped his leadership.

A recognised authority on cyber risk and industrial security, Peter Soulsby helps Australian enterprises and public-sector agencies strengthen their defences in an era of digital transformation and AI-enabled threats.

Peter is the Director of Cyber Security & Government at Brennan, where he leads a broad cybersecurity portfolio including consulting, strategy, engineering, and 24/7/365 Security Operations Centre services.

He oversees a team responsible for protecting clients’ critical infrastructure, ensuring system resilience, and helping organisations manage risk in a complex threat landscape, including cyberthreats.

With more than 20 years of IT experience, Peter has built deep expertise working across sectors including security operations, operational technology, identity & access management, endpoint security, and IT convergence.

He is known for emphasising the importance of aligning business priorities with security controls, for advocating that risk cannot simply be outsourced, and that accountability must be shared and embedded into contracts and operations.

  • Australian cyber sovereignty and resilience: how local capability, supply-chain integrity, and sovereign cloud support national interests.
  • The role of cyber security in business, and why cybersecurity should not be viewed as an IT function, but as a strategic business enabler that protects operations, revenue and reputation.
  • Operational Technology (OT) and Information Technology (IT): guiding organisations through digital transformation and the convergence of industrial and enterprise systems
  • Cyber risks in an AI world: AI-driven threats and how artificial intelligence is reshaping both cyber risk and defence.
  • Built Brennan’s fast growing cybersecurity practice, expanding headcount 4.5× ,revenue 5× and operating profit 6× in the past two years.
  • Led the integration of CBR Cyber into Brennan, expanding the company’s national cybersecurity capabilities.
  • Guided clients in critical industries to adopt standards-driven, risk-aligned cybersecurity frameworks.
  • Helped executives balance regulatory compliance with practical, effective cybersecurity controls.

Insights and news from Peter Soulsby

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