Biographical data sheets

Overview

This page includes biographical data sheets for key personnel in Volkis.

The Industry Presentations page showing presentations from our team is a companion to this page.

Matthew Strahan - Managing Director

15 years of dedicated, cyber security experience in designing security strategies, security architecture, implementing cyber security frameworks and standards, developing policy, procedure, standards, and processes, technology selection and implementation, incident response, and penetration testing. Carries industry qualifications including GAICD, CISSP, CISM, CISA, CGEIT, and OSCP, holds a Bachelor of Computer Science and Masters of Business Administration.

10 years of team leadership and management experience as the leader of operations and principal consultant, including leading internal IT, including support, IT transformations and an ISO27001 implementation. Led the implementation of internal systems and process improvement.

Currently serves as Managing Director of Volkis.

Available on the following social media sites:

Employment history

Company Role From To
Volkis Managing Director 2019 Present
Content Security Senior Security Strategist 2019 2019
Content Security Operations Manager 2017 2019
Content Security Principal Consultant 2012 2017
Securus Global Security Consultant 2007 2011

Education

Institution Degree Obtained
Macquarie University MBA 2021
University of NSW BSc (Computer Science) 2007

Certifications

  • Graduate of AICD Company Directors Course (GAICD)
  • Certified Information Security Auditor (CISA)
  • Certified Information Security Manager (CISM)
  • Certified in Governance of Enterprise IT (CGEIT)
  • Certified Ethical Hacker (CEH)
  • Certified Information Systems Security Professional (CISSP)
  • Offensive Security Certified Professional (OSCP)

Key skills

  • Experienced in business and technical security.
  • Penetration testing, including internal, external, wireless, web app, desktop app.
  • Business security, including security architecture, governance, management, policy, procedure, and framework.
  • Credit card security, including PCI DSS.
  • General IT, including transformation, governance, programming, software engineering.
  • Presented at industry bodies such as CPA Forum, Power Housing Risk and CFO meetings, LGASA.

Alexei Doudkine - Offensive Director

Penetration tester, hacker and security consultant with a decade of experience in building security systems and providing bespoke security consultancy with empathy. Worked to build and lead multiple teams and service offerings including penetration testing, security consulting, IR and security training.

Built the “Hands-on Hacking” security education course, teaching members of the NSW Police and Department of Justice around hacking techniques.

Takes great pride in helping students and newcomers to the industry get into the cyber security field through workshops, online content and CV reviews. E.g. UTS CSEC workshop

Created hacking tools for security professionals including RidRelay.

Outside of infosec, loves taking Volk the siberian husky 🐺 for walks, modding cars 🚗, rock climbing 🧗‍♂️, movies 🎥, and games 🎮.

Available on the following social media sites:

Employment history

Company Role From To
Volkis Offensive Director 2019 Present
Content Security Principal Consultant 2017 2019
Content Security Security Consultant 2013 2017
Pacom Systems Software Engineer 2010 2013

Education

Institution Degree Obtained
University of NSW BSc (Computer Science) 2010

Certification

  • Offensive Security Certified Professional (OSCP)
  • Offensive Security Experienced Penetration Tester (OSEP)
  • CREST Registered Tester (CRT)
  • GIAC Certified Forensic Examiner (GCFE)
  • Certified Information Systems Security Professional (CISSP) (lapsed)
  • Payment Card Industry - Qualified Security Assessor (PCI-QSA) (lapsed)

Key skills

  • Red team, Penetration testing, including internal, external, wireless, web app, mobile app
  • Social engineering and physical security, including manipulating security badges and access control systems
  • Presenting, including creating full security education courses
  • Infrastructure development and systems administration
  • Security design and architecture
  • Business security, including payment card industry, risk assessments

Joshua Rynan - Senior Security Consultant

A over decade of IT security experience, half of which being dedicated to penetration testing. Expertise in setting up and running enterprise vulnerability management programs. Experience running an associate penetration tester program, upskilling new pentesters from various degrees of industry experience. Spends too much time thinking about how to write better reports.

Available on the following social media site:

Employment history

Company Role From To
Volkis Senior Security Consultant 2021 Present
CyberCX Penetration Tester 2019 2021
Content Security Penetration Tester 2016 2019
IBM Vulnerability Scan Analyst 2011 2015

Education

Institution Degree Obtained
Federation University BITC (Professional Practice) 2010

Certifications

  • Zero-Point Security Certified Red Team Leader (CRTL)
  • Zero-Point Security Certified Red Team Operator (CRTO)
  • Offensive Security Certified Professional (OSCP)
  • Spectre Ops Adversary Tactics: Red Team Operations (AT:RTO)

Key skills

  • Penetration testing, including internal, external, wireless, web app and social engineering.
  • Making memes in MS Paint.

David Chadwick - Senior Security Consultant

Over fifteen years of IT security experience, of which six was dedicated to penetration testing. Expertise in setting up and running enterprise vulnerability management programs, team leadership, process engineering and documentation.

Available on the following social media site:

Employment history

Company Role From To
Volkis Senior Security Consultant 2021 Present
CyberCX Senior Security Consultant - Team Lead 2020 2021
Sense of Security Senior Security Consultant 2020 2020
Content Security Senior Security Consultant 2019 2020
Content Security Security Consultant 2015 2019
IBM Vulnerability Scan Analyst 2012 2015
IBM Intel and Remote Access Security Team Leader 2010 2012
IBM Remote Access Security Dispatcher 2009 2010
IBM Remote Access Security Administrator 2008 2009
IBM Security Operations Administrator 2007 2008
IBM Customer Service Consultant 2006 2007

Education

Institution Degree Obtained
Federation University BITC (Professional Practice) 2008

Certifications

  • Offensive Security Certified Professional (OSCP)

Key skills

  • Penetration testing, including internal, external, wireless, web app and social engineering.
  • Experienced in business and technical security

Finn Foulds-Cook - Senior Security Consultant

Recent graduate with 7 years of experience engaging in cybersecurity at conferences or monthly meetups. Interested in infrastructure, Kubernetes, rock climbing 🧗‍♂️, gaming and programming.

Available on the following social media sites:

Employment history

Company Role From To
Volkis Senior Security Consultant 2024 Present
Volkis Security Consultant 2022 2024
Red Cursor Junior Security Consultant 2020 2022

Education

Institution Degree Obtained
University of New South Wales Bachelor of Computing and Cybersecurity 2020

Certifications

  • Offensive Security Certified Professional (OSCP)
  • Certified Kubernetes Administrator (CKA)

Key skills

  • Penetration testing including: internal, external, wireless and web applications.
  • Programming experience in Rust, Python, Java, TypeScript, JavaScript and Go.
  • Kubernetes.
  • Acting as a human monkey typewriter and discovering obscure bugs.

Andy Wallis - Senior Security Consultant

Over twenty years of IT experience (that makes me feel old), with the last seven years as a professional penetration tester. Working as a system administrator for many years along side developers has given me a unique perspective and empathy for the challenges faced when securing both networks and applications.

Available on the following social media site:

Employment history

Company Role From To
Volkis Senior Security Consultant 2022 Present
Tesserent Senior Security Consultant 2020 2022
NCC Senior Security Consultant 2020 2020
Content Security Offensive Consultant 2019 2020
Alcorn Group Security Consultant 2017 2019
Content Security Security Consultant 2015 2017
EY Senior Security Consultant 2015 2015
Thales Senior System Administrator 2014 2014
Olam Senior Network Administrator 2013 2013
Caterpillar Network Administrator 2011 2013
ZBI Quan IT Infrastructure Specialist 2010 2011
Caterpillar Network Administrator 2008 2010
Suncorp System Security Access Administrator 2007 2008
Odyssey Gaming System Administrator / Software Engineer 2002 2007
Bounty Limited Software Engineer/Onsite Support 2001 2002

Education

Institution Qualification Obtained
Tafe NSW Dp. PC and Network Support 2001

Certifications

  • Offensive Security Wireless Professional (OSWP)
  • eLearnSecurity Certified Professional Penetration Tester (eCPPT)

Key skills

  • Penetration testing, including internal, external, wireless, web and mobile application.

Nathan Jarvie - Security Consultant

I have over ten years of IT experience. Most of that time was spent working as, and leading a team of systems and network administrators for an MSP, which allowed me to work with a variety of technologies and people and across many industries. I am experienced with Mac, Windows and Linux systems and environments.

I moved into a career in penetration testing in 2021, and seem to be determined to get every certification that is available.

I moonlight as a Latin American and Ballroom dancing instructor during the week. I also have achieved my Black Belt in Taekwondo, and regularly assist in classes.

Available on the following social media sites:

Employment history

Company Role From To
Volkis Security Consultant 2022 Present
Volkis Associate Security Consultant 2021 2022
Mac Aid Technical Manager 2020 2021
Mac Aid Senior Systems and Network Engineer 2012 2021

Education

Institution Qualification Obtained
RMIT Dp. Information Technology 2012

Certifications

  • HTB Certified Bug Bounty Hunter (CBBH)
  • Altered Security Certified Azure Red Team Professional (CARTP)
  • Altered Security Certified Red Team Expert (CRTE)
  • Zero-Point Security Certified Red Team Operator (CRTO)
  • eLearnSecurity Web Penetration Tester (eWPT)
  • Offensive Security Certified Professional (OSCP)
  • TCM Security Practical Network Penetration Tester (PNPT)

Key skills

  • Penetration testing, including internal, external, wireless, and web applications

Max Alster-Caminer - Security Consultant

Young and enthustatic security consultant that loves all things Cyber Security. Runs the largest Cyber Security competition in the Southern Hemisphere “DownUnderCTF” (DUCTF) yearly with the help of the DUCTF organiser team. If given the chance, will talk your ear off about One Piece and does Brazilian jiu-jitsu for exercise and mental. DM me for pictures of my dog - Diego (cavoodle).

Available on the following social media sites:

Employment history

Company Role From To
Volkis Security Consultant 2022 Present
Trustwave Senior Penetration Tester 2022 2022
Trustwave Penetration Tester 2021 2022
Trustwave Graduate Penetration Tester 2020 2021
DownUnderCTF Founder and President 2020 Present
UTS Casual Academic 2020 2020
UTS Junior Security Analyst 2020 2020

Education

Institution Degree Obtained
UTS Bachelor of Science in Information Technology 2020

Certifications

  • eLearnSecurity Junior Penetration Tester (eJPT)
  • Certified Red Team Professional (CRTP)

Key skills

  • Penetration testing including: internal, external, and web applications.
  • Managing CTF competitions.
  • The ability to give you a crippling One Piece addiction. If you want one, let me know :)
  • Acting as a human rubber ducky.