Lunchtime Tech Sessions by Canterbury Tech - November 2025

LUNCHTIME TECH SESSIONS brought to you by Canterbury Tech

With Stephen Kho (Director, Offensive Security for Avast) as he presents "Cybersecurity and Deepfakes, AI vs AI."

Deepfakes are on the rise, targeting consumers, businesses and everything in between. This presentation will show you how detection technology works, detail the risks for IT teams, and provide a overview of the defences IT professionals should be thinking about.

About Stephen:
Stephen is the Director of Offensive Security, for Avast. He joined Avast in November 2020, and is responsible for leading a team that undertakes penetration testing on software systems to identify vulnerabilities and facilitate the development of secure infrastructures against potential threats.

Stephen is a security professional with over 20 years of security industry experience across multiple business sectors including finance and telecommunications. Prior to working at Avast, he was Technical Customer Success Manager at software and IT firm Micro Focus where he worked with the top 50 ASX listed Australian financial and telecommunications companies as well as federal government departments in Canberra to implement cyber security monitoring and application security programs. Before that, Stephen held the deputy CISO/Ethical Hacker role at Dutch telecommunications company KPN. Earlier, he held security consultant positions in the telecommunications and IT space, including at Verizon Business and Siemens. His knowledge in the areas of penetration testing, security technologies and risk management is extensive; arising from his network engineering, security consultancy and hands on penetration testing background.

Stephen holds a Bachelor of Computer Systems Engineering with an Honours from the University of Queensland.

Feel free to bring any questions to this session.

When - Tuesday 18 November 2025

Time - 12:30pm - 1:30pm (NZT)

Where - Online via this Zoom - the link will be included in an email closer to the time.

Cost - This is a free event