Everything you knew about crypto agility has changed.
David Harding
Co-Founder and CEO, Entrokey Labs
David Harding is a dynamic and entrepreneurial executive and strategist and with extensive experience in business and technology leadership. He brings industry recognition as a leading expert in cybersecurity, digital identity, multi-modal biometrics, FinTech, healthcare, and privacy.
He's held several C & E/SVP level positions in international public and private companies in several different industries including digital media and entertainment, electronic manufacturing and distribution, digital identity, and cyber security. He's created and managed offices and teams across the globe including the United States, Europe, Canada, Latin America, India, and Asia.
As an executive and business leader, David has worked with boards and the C-Suite to lead companies, raised millions (USD) in public and private equity, delivered impactful products and services, and increased shareholder value.
As an inventor and innovator, he holds multiple patents in digital identity, biometrics, cybersecurity, and privacy.
Watch this full lecture and over 100 other expert lectures on Quantum Technologies in our community with a single subscription.
In response to AI and quantum computing threats to cryptography, Entrokey Labs has developed and patented a comprehensive software solution that gives your organization instant crypto-agility.
Our stateless random number and quantum-resistant key generator is a light-weight crypto-agile software that safeguards everything digital — from personal privacy to global enterprise — ensuring limitless trust and security for today’s world.
Our Members Work In The Worlds Most Forward Thinking Teams
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Our Members Work In The Worlds Most Forward Thinking Teams
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Our Members Work In The Worlds Most Forward Thinking Organisations
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$149 Lifetime
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80 Hours of Quantum Education
Quantum Cybersecurity Certificate
Quantum Blockchain Certificate
Members only events
Executive training discounts
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Priority QSECDEF 2026
Newsletter & Community
Limited Time Offer 2026 Only
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Enterprise Up-skilling Per 10 Users
$499 per year
Access all training & Lectures
10 users access licence
Workforce certifications
Discounts on events
Weekly events attendance
Sign Up
Membership
Packages.
Expert Vendor Membership
$299.00 per month
Designated 10hrs advisory
Business amplification
10 user access licence
Dedicated client manager
Informal Peer Review
Membership press release
Partnership Introductions
Collaboration opportunities
Contact Us
Lifetime Individual Membership
$149 Lifetime
Free Webinar Events
80 Hours of Quantum Education
Quantum Cybersecurity Certificate
Quantum Blockchain Certificate
Members only events
Executive training discounts
Events Discounts
Priority QSECDEF 2026
Newsletter & Community
Limited Time Offer 2026 Only
Sign Up
Enterprise Up-skilling Per 10 Users
$499 per year
Access all training & Lectures
10 users access licence
Workforce certifications
Discounts on events
Weekly events attendance
Sign Up
Membership
Packages.
Expert Vendor Membership
$299.00 per month
Designated 10hrs advisory
Business amplification
10 user access licence
Dedicated client manager
Informal Peer Review
Membership press release
Partnership Introductions
Collaboration opportunities
Contact Us
Lifetime Individual Membership
$149 Lifetime
Free Webinar Events
80 Hours of Quantum Education
Quantum Cybersecurity Certificate
Quantum Blockchain Certificate
Members only events
Executive training discounts
Events Discounts
Priority QSECDEF 2026
Newsletter & Community
Limited Time Offer 2026 Only
Sign Up
Enterprise Up-skilling Per 10 Users
$499 per year
Access all training & Lectures
10 users access licence
Workforce certifications
Discounts on events
Weekly events attendance
Sign Up
Raminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate
William (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validateRaminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateWilliam (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validateRaminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateWilliam (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validateRaminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateWilliam (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validateRaminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateWilliam (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validateRaminder Kaur
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateWilliam (Bill) TurnerWilliam (Bill) Turner •
I've attended almost every event live and those I missed watched afterwards. Each and every session has nuggets of wisdom to be added to what you will need to know from different perspectives. If you are like me and are on a continual learning journey. Come join us!
click to validateAndrew Mallaband
It was a fantastic day, Anna. Thank you again to Quantum Security Defence for the invite and for bringing so many great minds together. It was brilliant to see the momentum around quantum security building across the ecosystem.
click to validateEmanuele Formisano
Sono felice di condividere che ho ottenuto una nuova certificazione: Introduction to Quantum Cyber Security di Quantum Security Defence.
click to validate Thierry Gaillet
Vielen Dank, Anna. Kudos for the outstanding Quantum Security Defence initiative!
click to validateKeisha Watson
Thanks Anna Beata Kalisz Hedegaard! It was lovely seeing you too! 💓 I thoroughly enjoyed the event. The work you, Steve Vaile, and the Quantum Security Defence team put into assisting with organising was noticeably amazing!
click to validate Emanuele Broggini
I'm happy to share that I've earned a new certification: Introduction to Quantum Resilient Blockchain Security by Quantum Security Defence!
click to validateSyed Luqman Shah
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validate Robert L. McCaslin JR
I’m happy to share that I’ve obtained a new certification: Introduction to Quantum Cyber Security from Quantum Security Defence!
click to validateAdam McElroy
Heading into London with Eclypses colleagues for the Quantum Security Defence event to share hashtag#PQC experiences and pragmatic examples of quantum preparedness
click to validateChris Basener, AAISM®, PMP®, CISM®
Quantum Security Defence provides excellent continuing education! I highly recommend joining! Anna Beata Kalisz Hedegaard is very knowledgeable and presents information relevant to Quantum Computing in a way that is very understandable and usable!
click to validateFreddie Beldam
I’m happy to share that I’ve obtained a new certification: Quantum Resilient Blockchain from Quantum Security Defence!
click to validateRobert Hann
For those suffering from Quantum breakthrough fatigue, it is not going to let up as this so eloquently explains. I foresee, within 3-4 years, PQ Readiness will emerge as a commercial strategic advantage for organisations with it sitting shoulder to shoulder with QAI, and QCloud, and Q-this and Q-that!
click to validate Strategic Operations & Management
Honored to join Quantum Security Defence 🛡️⚛️ Huge thanks to Anna Beata Kalisz Hedegaard and Steve Vaile for welcoming Strategic Operations & Management (SOM) as a new member of Quantum Security Defence (QSD). We’re excited to contribute to this mission-driven community protecting critical systems against emerging quantum-era threats.
click to validate