The Defender's Journal
Episodes
A Defender's x Disruptor's Journal Crossover - Abhi Sharma
01 Apr 2026
Contributed by Lukas
Welcome to another crossover episode of The Defender’s Journal.Today’s guest is Abhi Sharma, co-founder and CEO of Relyance AI - a company rethink...
The Defender's Journal Episode 33 - Sandeep Poonen
18 Mar 2026
Contributed by Lukas
Welcome to Episode 33 of The Defender’s Journal.This week, Sandeep Poonen joins us. From establishing VMware’s cloud security and enterprise cyber...
The Defender's Journal Episode 32 - Jacob DePriest (2)
04 Mar 2026
Contributed by Lukas
Welcome to Episode 32 of The Defender’s Journal.Jacob DePriest returns to the show - previously Deputy CISO at GitHub, and now holding a rare dual m...
A Defender's x Disruptor's Journal Crossover - Harry Wetherald
18 Feb 2026
Contributed by Lukas
Welcome to a special crossover episode between ‘The Defender’s Journal’ and our new sister series focussed on ‘The Disruptors’ where we shif...
A Defender's Journal Spin-Off - Ryan Lindley
21 Jan 2026
Contributed by Lukas
Welcome to another hard-hitting spin-off of The Defender’s Journal.Today’s guest is Ryan Lindley - CEO of Aegis Cyber and one of the industry’s ...
The Defender's Journal Episode 31 - Matthew Presson
08 Jan 2026
Contributed by Lukas
Welcome to Episode 31 of The Defender’s Journal.This week, we’re joined by Matt Presson - a product-driven, context-obsessed security leader curre...
The Defender's Journal Episode 30 - Cezary Piekarski
17 Dec 2025
Contributed by Lukas
Welcome to Episode 30 of The Defender’s Journal. This week, we sit down with Cezary Piekarski - a global cybersecurity leader with decades of exper...
The Defender's Journal Episode 29 - Assaf Keren
03 Dec 2025
Contributed by Lukas
Welcome to another thought-provoking episode of The Defender’s Journal.This week, we sit down with Assaf Keren - a global security leader whose care...
A Defender's Journal Spin-Off - Meg Anderson
19 Nov 2025
Contributed by Lukas
Welcome to a special spin-off episode of The Defender’s Journal.This week, we sit down with Meg Anderson - a longtime security executive whose caree...
The Defender's Journal Bonus Episode - Ted Harrington
12 Nov 2025
Contributed by Lukas
Welcome to a bonus episode of The Defender’s Journal.This week, we welcome back Ted Harrington - ethical hacker, author, and co-founder of IoT Villa...
The Defender's Journal Episode 28 - Doug Innocenti
29 Oct 2025
Contributed by Lukas
Welcome to another standout episode of The Defender’s Journal.This week, we sit down with Doug Innocenti - a security leader whose journey spans cal...
The Defender's Journal Episode 27 - Aimee Cardwell
13 Aug 2025
Contributed by Lukas
Welcome to another powerfully honest episode of The Defender’s Journal!This week, Aimee Cardwell joins us. From building mobile tech at Expedia to s...
A Defender's Journal Spin-Off - Alexandra Forsyth
09 Jul 2025
Contributed by Lukas
Welcome to another refreshing spin-off episode of The Defender’s Journal!This week, Alexandra Forsyth joins us. But how does a consulting-heavy care...
The Defender's Journal Episode 26 - Kaeli Smith
25 Jun 2025
Contributed by Lukas
Welcome to another inspiring episode of The Defender’s Journal!This week, Kaeli Smith joins us. But how does a former graphic design student go from...
The Defender's Journal Episode 25 - Chad Pierce
04 Jun 2025
Contributed by Lukas
Welcome to another insight-packed episode of The Defender’s Journal!This week, Chad Pierce takes the mic. But how does a cybersecurity leader link G...
The Defender's Journal Episode 24 - Nate Dunning
21 May 2025
Contributed by Lukas
Welcome to another gripping episode of The Defender’s Journal!This week, Nate Dunning joins us on the mic. But how does a small-town farm kid end up...
The Defender's Journal Episode 23 - John Terrill
07 May 2025
Contributed by Lukas
Welcome to another intriguing episode of The Defender's Journal!This week, John Terrill steps up to the mic. But how does a 15-year-old hacker en...
The Defender's Journal Episode 22 - Matt Rathbun
16 Apr 2025
Contributed by Lukas
Welcome to another thought-provoking episode of The Defender's Journal!This week, Matt Rathbun takes the mic. But how does a political science gr...
The Defender's Journal Episode 21 - Nicholas Arvanitis
02 Apr 2025
Contributed by Lukas
Welcome to another gripping episode of The Defender's Journal!This week, Nick Arvanitis takes a seat on the sofa. But how does someone go from Sy...
A Defender's Journal Spin-Off - Stuart Avery
18 Mar 2025
Contributed by Lukas
Welcome to another intriguing spin-off episode of The Defender's Journal!This week, Stuart Avery joins us on the sofa...Who do you trust in a fra...
A Defender's Journal Spin-Off - Jemma Davis
03 Mar 2025
Contributed by Lukas
Welcome to another spin-off episode of The Defender's Journal!This week, Jemma Davis joins us with a story you genuinely won’t want to miss...J...
The Defender's Journal Episode 20 - Katelyn Perna
07 Feb 2025
Contributed by Lukas
Welcome to another fascinating episode of The Defender's Journal!This week, we’re excited to welcome Katelyn Perna to the sofa.Katelyn keeps it...
The Defender's Journal Episode 19 - Eric Freeman
23 Jan 2025
Contributed by Lukas
Welcome to another episode of The Defender's Journal!This week, we’re excited to welcome Eric Freeman to the show.Eric’s journey is anything ...
A Defender's Journal Spin-Off - Amy Stokes-Waters
10 Jan 2025
Contributed by Lukas
Welcome to another spin-off episode of The Defender's Journal!This week, we’re excited to welcome Amy Stokes-Waters to the show.Amy tells it l...
A Defender's Journal Spin-Off - Holly Foxcroft
08 Jan 2025
Contributed by Lukas
Welcome to another spin-off episode of The Defender's Journal!This week, we’re excited to have Holly Foxcroft on the sofa.Is the industry faci...
A Defender's Journal Spin-Off - Yashvier Kosaraju
08 Jan 2025
Contributed by Lukas
Welcome to the first episode of our *fortnightly series in 2025!This week, we’re thrilled to have Yashvier Kosaraju join us on the sofa!How does cha...
The Defender's Journal Episode 18 - Tom Baxley
13 Sep 2024
Contributed by Lukas
Welcome to another episode in our *fortnightly series.This week, we’re excited to welcome Tom Baxley to the sofa!Ever wonder how a 12-year-old tinke...
The Defender's Journal Episode 17 - Abbas Kudrati
28 Aug 2024
Contributed by Lukas
Welcome to another episode in our *fortnightly series.This week, we’re excited to welcome Abbas Kudrati to the sofa!How did someone who couldn’t r...
The Defender's Journal Episode 16 - Erika Dean
21 Aug 2024
Contributed by Lukas
Welcome to another episode in our *fortnightly series.This week, we’re excited to welcome Erika Dean to the sofa!How does someone with zero experien...
A Defender's Journal Spin-Off - Chenxi Wang
14 Aug 2024
Contributed by Lukas
Welcome to a new conversational spin-off of the Defender's Journal podcast series!In these bite-sized episodes, we'll highlight broader pers...
The Defender's Journal Episode 15 - Olivia Rose
31 Jul 2024
Contributed by Lukas
Welcome to another episode in our *fortnightly series.This week, we’re excited to have Olivia Rose join us on the sofa!Why did Olivia quit her CISO ...
A Defender's Journal Spin-Off - Steve Orrin
17 Jul 2024
Contributed by Lukas
Welcome to a new conversational spin-off of the Defender's Journal podcast series!In these bite-sized episodes, we'll highlight broader pers...
The Defender's Journal Episode 14 - Chelsea Jarvie
03 Jul 2024
Contributed by Lukas
Welcome to another episode in our *fortnightly series.This week, we’re excited to have Chelsea Jarvie join us on the sofa!Curious about how she achi...
The Defender's Journal Episode 13 - Phil Venables
30 May 2024
Contributed by Lukas
Welcome to another episode in our series!Here at The Defender's Journal, we delve into the lives and minds of leading professionals in the cybers...
The Defender's Journal Episode 12 - Lakshmi Hanspal
11 May 2024
Contributed by Lukas
Welcome to another episode in our series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security space. W...
The Defender's Journal Episode 11 - Hilary Walton
16 Apr 2024
Contributed by Lukas
Welcome to the ELEVENTH episode in our series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security spa...
The Defender's Journal Episode 10 - Hazel McPherson
26 Mar 2024
Contributed by Lukas
Welcome to the TENTH episode in our "new" series!We'll be digging deeper into the lives and minds of leading professionals in the cyber...
A Defender's Journal Spin-Off - Kanika Seth
15 Mar 2024
Contributed by Lukas
Welcome to a new conversational spin-off of the Defender's Journal podcast series!In these bite-sized episodes, we'll highlight perspectives...
A Defender's Journal Spin-Off - Amit Arora
05 Mar 2024
Contributed by Lukas
Welcome to a new conversational spin-off of the Defender's Journal podcast series!In these bite-sized episodes, we'll highlight perspectives...
The Defender's Journal Episode 9 - Jacob DePriest
15 Feb 2024
Contributed by Lukas
Welcome to the ninth episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security sp...
The Defender's Journal Episode 8 - Dr. Rebecca Wynn
17 Dec 2023
Contributed by Lukas
Welcome to the eighth episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security s...
The Defender's Journal Episode 7 - Shaun Blackburn
23 Nov 2023
Contributed by Lukas
Welcome to the seventh episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security ...
The Defender's Journal Episode 6 - Malcolm Harkins
26 Oct 2023
Contributed by Lukas
Welcome to the sixth episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security sp...
The Defender's Journal Episode 5 - Joseph Davis
03 Oct 2023
Contributed by Lukas
Welcome to the fifth episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security sp...
The Defender's Journal Episode 4 - Ted Harrington
30 Aug 2023
Contributed by Lukas
Welcome to the fourth episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security s...
The Defender's Journal Episode 3 - Christopher Kennedy
09 Aug 2023
Contributed by Lukas
Welcome to the third episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security sp...
The Defender's Journal Episode 2 - Kim Albarella
02 Aug 2023
Contributed by Lukas
Welcome to the second episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security s...
The Defender's Journal Episode 1 - JJ Agha
12 Jul 2023
Contributed by Lukas
Welcome to the first episode in our new series!We'll be digging deeper into the lives and minds of leading professionals in the cyber security sp...
Episode 21 - Nurturing the Evolution of SD Tech with Shane Mishler (Vice President & COO at SD Tech)
19 Jun 2023
Contributed by Lukas
Join us, as we engage in a compelling discussion with Shane Mishler, exploring the remarkable journey of SD Tech's growth. Gain valuable insights...
Episode 20 - Leveraging Data and Tech in the Insurance Space with Matt Sutika (Chief Insurance Officer at Obie)
05 Jun 2023
Contributed by Lukas
Join Techfellow's discussion with Matt Sutika, as we explore how data and technology developments are affecting the insurance market. Please fin...
Episode 19 - The Future of Digital Marketplaces with Danielle Downs (Head of Next Gen Product Development at NovaFori)
22 May 2023
Contributed by Lukas
Join Techfellow's discussion with Danielle Downs, as we explore how she and NovaFori, have helped to shape and build revolutionary (and fully-int...
Episode 18 - Discussing Tech Trends 24/7 with Jim Quinn (Executive Managing Director at JLL)
05 May 2023
Contributed by Lukas
Join Techfellow's discussion with Jim Quinn, as we look at digital twinning, the future of digital work, and some other key technological develop...
Episode 17 - AI x Marketing with Thomas Helfrich (Founder of InstantlyRelevant.com)
20 Feb 2023
Contributed by Lukas
Join Techfellow's discussion with Thomas Helfrich, 'Your Double (Maybe Triple) Not-So-Secret Marketing Weapon', in identifying how AI h...
Episode 16 - Introduction to DeFi, Blockchain and Inclusivity in Web3 with Jack Choros
06 Feb 2023
Contributed by Lukas
Join Techfellow's discussion with Jack Choros in laying the foundational understanding of blockchain technology. Jack also shares his interest ...
The Tech Stack is back! (Intro)
18 Jan 2023
Contributed by Lukas
Your new home of the 20-Minute Tech Chat, the Tech Stack is back for a new series!With our first new, full episode airing on Monday the 6th February, ...
Episode 15 - The Role of Ethics in AI with Olivia Gambelin
04 Mar 2022
Contributed by Lukas
Olivia Gambelin is an AI Ethicist and Founder of Ethical Intelligence. She's lived her whole live in Silicon Valley, through the highs and lows o...
Episode 14 - An Introduction to Quantum Computing with Abby Mitchell from IBM
26 Jan 2022
Contributed by Lukas
Abby Mitchell is a Quantum Developer Advocate at IBM - she joins us for an entry-level chat about the world of quantum computing. We discuss the chall...
Episode 13 - AI Assisting Sport with Francisco Baptista from TeamSportz
07 Dec 2021
Contributed by Lukas
In this episode we're joined by Francisco Baptista, Founder of TeamSportz, an AI-infused platform aimed at transforming the way grassroots sports...
Episode 12 - The Role of a Mentor with Andrew King
16 Nov 2021
Contributed by Lukas
Have you ever had at any time during your career? We all need a little help and guidance sometimes, and in our latest episode, passionate and experien...
Episode 11 - Supporting Female Technologists and Founders with Helen Tabunshchyk and Zoe Evans
21 Sep 2021
Contributed by Lukas
Helen Tabunshchyk, Director at Women Who Code London, and Zoe Evans, Founder of Female Founder Squad, join us to discuss how their global organisation...
Episode 10 - Cyber Security Testing with Independent Security Evaluators' Ted Harrington
25 Aug 2021
Contributed by Lukas
We're joined once again but ethical hacking guru, Ted Harrington, Executive Partner at Independent Security Evaluators, one of the world's l...
Episode 09 - The Future of Meetups with Dennis McCarthy
05 Aug 2021
Contributed by Lukas
In our latest episode, we put technology to one side and talk about the community behind the industry. When the COVID-19 pandemic struck, the world wa...
Episode 08 - Robotics, localisation, and mapping with SLAMcore's Owen Nicholson
19 Jul 2021
Contributed by Lukas
Joe Pocock chats to Owen Nicholson, CEO and Founder of SLAMcore about the robotics industry, and in particular how they know their physical place in t...
Episode 07 - Incident Management with incident.io's Chris Evans
05 Jul 2021
Contributed by Lukas
Co-Founder of incident.io joins Joe on this episode of The Tech Stack, sharing his incident management wisdom and lessons learned at Monzo which he an...
Episode 06 - Securing Medical Devices with Scope's Mike Murray
10 May 2021
Contributed by Lukas
Mike Murray, Founder and CEO of Scope Security joins us this week as we explore how important cyber security is within healthcare and the challenges m...
Episode 05 - Building reliable systems at Ziglu with Matt Huxtable and Dean Brunt
26 Apr 2021
Contributed by Lukas
Matt Huxtable and Dean Brunt from Ziglu, the cryptocurrency e-money company, join to discuss how modern cloud technologies enable their engineers to b...
Episode 04 - Exploring Cybersecurity Careers with Bhaumik Shah
13 Apr 2021
Contributed by Lukas
Cybersecurity Engineer Bhaumik Shah joins Joe and his Techfellow colleague, Max McKay, to share advice and tips on how to secure a job within cybersec...
Episode 03 - NFTs with Trustology's Alex Batlin
29 Mar 2021
Contributed by Lukas
In our latest episode, Trustology's Founder and CEO Alex Batlin joins us to discuss NFTs (Non-Fungible Tokens, or Niftys). We explore some of t...
Episode 02 - Ethical Hacking with ISE's Ted Harrington
15 Mar 2021
Contributed by Lukas
Joe Pocock is joined by Ted Harrington, Executive Partner at Independent Security Evaluators and Author of the best selling book, Hackable. Along with...
Episode 01 - Promoting Women in Tech with Nilo Rahmani
01 Mar 2021
Contributed by Lukas
We're joined by Nilo Rahmani, a passionate women in tech advocate and Site Reliability Engineer. We discuss how companies across this industry ca...
Introduction
17 Feb 2021
Contributed by Lukas
Welcome to this new podcast, The Tech Stack. Throughout our series we'll be diving into the world of technology exploring developments, innovat...