About Us

As the future of modern cyber security, we take our mission deadly serious. Founded in 2018, from the brains of some of the leading minds in offensive security, we are dedicated to providing our clients the leading Continuous Attack Surface Management Platform.

We are the platform of choice for innovative startups up to the Fortune 500, FTSE 100 & ASX 200. Our team is composed of some of the brightest minds from the Bug Bounty, Ethical Hacking and DFIR industry. Our renowned experts, globally known, have key noted such conferences as DEFCON, Hack In the Box, BSides Las Vegas, BSides Canberra, Black Hat Asia and OWASP.

Our mission is to provide you visibility far beyond anything you have experienced before, gain tangible outcomes from your investments, provide your team unparalleled insight into your attack surface and allow you to optimize your defense against the ever-evolving threats facing every organization today and tomorrow.


Michael Gianarakis

Chief Executive Officer

blog Michael Gianarakis is the co-founder and CEO of Assetnote. Michael has worked in the security industry for over a decade building and managing offensive security teams across the Asia Pacific and Japan. Michael has presented his security research around the world including at DEF CON, Black Hat Asia, BSides, Las Vegas, Hack in the Box, AusCert, Thotcon, 44Con and OWASP.

Shubham Shah

Chief Technology Officer

blog Shubham Shah is the co-founder and CTO of Assetnote. Shubham is a prolific bug bounty hunter in the top 50 hackers on HackerOne and has presented at various industry events including QCon London, Kiwicon, AusCert, BSides Canberra and CrikeyCon. In his free time, Shubham enjoys performing high impact application security research.

Christopher Harwood

Chief Revenue Officer

blog Christopher Harwood is the Chief Revenue Officer of Assetnote. For the last decade Christopher has been involved in the Security industry spanning EMEA, APAC and the Americas with a highly regarded background in leading high performing teams in the Software as a Service, Managed Security Services and Cloud Security categories. Christopher is responsible for leading Assetnote's go to market strategy.

Tim Hunt

VP of Sales

blog Tim Hunt is the Vice President of Sales at Assetnote. Having been involved in the Information Security industry for close to a decade, Tim has led successful teams covering large regions and has helped organisations all across the world the augment their security programs with a range of technologies and services. This has included various Software as a Service platforms, Managed Security Services, Penetration Testing, Incident Response and Consulting Services.

Sean Yeoh

Engineering Lead

blog Sean Yeoh is the engineering lead at Assetnote. Sean is a casual bug bounty hunter, occasionally manually finding critical bugs while his automations submit the rest. He has presented at DEFCON and Hack In The Box, and lectured Web Application Security at UNSW.

Patrick Mortensen


blog Patrick Mortensen is the API/UI lead at Assetnote, a platform for continuous security monitoring of your external attack surface. Patrick loves building random side projects, learning about new technologies and occasionally hunting for bugs. He also enjoys presenting on security research at conferences such as BSides Canberra.