Jason Whyte

Managing Director - Australia
As Managing Director for Cythera in Australia, Jason combines 25 years of cybersecurity expertise with a strong focus on practical risk outcomes for boards and executives.
Talk to an expert
Highlights

Career highlights

Jason has more than 25 years in cybersecurity, leading high performing teams across organisations including Trustwave, Verizon and Hewlett Packard Enterprise, and delivering outcome focused security programs for enterprises and government agencies in Australia and overseas. As Managing Director for Cythera in Australia, he is responsible for uniting Cythera, Seamless Intelligence and Phronesis Security into a single, sovereign cybersecurity partner, working closely with critical infrastructure, public sector and corporate leaders to strengthen operational resilience through human led, intelligence driven services delivered onshore.

He is particularly focused on helping organisations move beyond tool centric buying toward insight rich resilience, making better use of existing security data to support faster, clearer business decisions. Jason regularly engages with boards, executives and security leaders on data sovereignty, IT and OT convergence and practical compliance, providing pragmatic guidance that connects regulatory expectations with operational reality.

Cyber security news

Latest advisories

Stay ahead of emerging threats with our expert blog posts, research, and industry updates.
Silverstripe - Host Header Injection
Silverstripe CMS is affected by a Host Header Injection flaw, which can be exploited to manipulate password reset workflows, potentially redirecting or compromising user data.
FarCry Core Framework - Multiple Issues
FarCry Core contains multiple vulnerabilities that could let unauthenticated users upload arbitrary files and execute remote code on the hosting server.
Silverstripe – Cross-Site Scripting (XSS) Vulnerability
With local organisation admin credentials, an attacker can exploit the API to create, delete, or revert virtual machine snapshots in other organisations’ Virtual Data Centres (VDCs), breaching isolation boundaries.
Discover our services

We have the tools to pinpoint risks

Whether it’s hidden vulnerabilities or patterns you might miss, we help you stay one step ahead and make confident, informed decisions. Understand how our services can help your business uncover critical risks

Talk to an expert
Employee Cyber Training & Awareness
Your people are your first line of defence. Our cyber training builds awareness sharpens instincts and turns everyday staff into assets.
Advisory
When clarity is critical and stakes are high, our advisory services deliver strategic, executive-level security expertise that empowers decision-making and resilient operations.