"Adversaries are being forced to be more stealthy — leveraging legitimate tools and processes to blend in seamlessly with legitimate user activity."IT Pro, 2026 "When the pan is this hot, you do not think. You react."The Popcorn Moment, 2026 "Those who build trust will thrive in the AI era."Tony Fergusson "The firewall was designed for a world that no longer exists. That world is gone."Stop Trying to Make Firewalls Happen, 2022 "A SOC that monitors a perimeter that no longer exists is not security — it is theatre."Why Your SOC Won't Save You, 2023 "Technical debt is not a balance sheet item — it is a threat vector."The True Cost of Legacy Technology, 2021 "Prompt manipulation is not a theoretical risk. The box is open."SDxCentral, 2025 "Trust is the most exploited vulnerability in enterprise security."Exploiting Trust, Cloud Security Alliance, 2024 "WannaCry proved that perimeter security was already dead. Most organisations just hadn't received the memo."WannaCry Five Years, CXO REvolutionaries, 2022 "Simplicity is not the absence of sophistication — it is complexity fully resolved."Simplicity: Complexity Resolved, 2024 "If you do not control your data, you do not control your destiny."Who Owns Information in the Era of AI?, 2024

Security Leader · Speaker · Advisor

Those who build trust will thrive in the AI era.

Zero Trust pioneer helping enterprises navigate the shift from perimeter defence to AI-native architectures — without losing control of their security posture.

25+ years in security & networking First ZTNA implementer Based in Copenhagen, Denmark
Work with me →
Tony Fergusson

What I do

Speaking

Speaking

Keynotes and panels on Zero Trust, AI security governance, and enterprise transformation — at private events and public conferences across EMEA.

Writing

Writing & Research

130+ articles across IT Pro, Forbes, TechRadar, Zscaler CXO Insights, SDxCentral, Cloud Security Alliance, and more — spanning 2016 to today.

Advisory

Advisory

Strategic advisory engagements for boards and enterprises navigating Zero Trust adoption, AI governance, and agentic security architecture.

Interested in working together?

Available for speaking engagements, board advisory, and strategic conversations on Zero Trust, AI security governance, and enterprise transformation across EMEA.

Get in touch →

Keynote & Conference Speaking

Engaging talks for security teams, boards, and technology conferences on Zero Trust, agentic AI, and the future of enterprise security.

Board & Executive Advisory

Strategic input for boards and CISOs on security architecture, AI governance, and digital transformation risk.

Enterprise Security Strategy

Hands-on advisory for organisations building or maturing their Zero Trust architecture and AI security posture.

About

Tony Fergusson has more than 25 years of experience in networking, security, and IT leadership across a range of industries. Described as having a "visionary mindset," he was one of the earliest adopters of Zero Trust networking principles and among the very first practitioners to implement ZTNA in production.

He led MAN Energy Solutions' award-winning digital transformation to Zero Trust network architecture — a programme recognised as a reference case for large-scale security modernisation. He works across EMEA, advising enterprises on security strategy, AI governance, and the architecture decisions that will determine who thrives in an agentic world.

He is the creator of the Agentic Security Edge (ASE) framework — the emerging governance layer for AI agents operating at scale in enterprise environments.

25+
Years in security & networking
130+
Published articles & research pieces
10+
Major publications & outlets
#1
Among first ZTNA implementers in production

Recent Writing

The Popcorn Moment, When Thinking Became Too Slow

Zero Trust, Negative Trust, and the case for Reflex Defence at machine speed

2026

How to Protect Your Business from Living Off the Land Attacks

IT Pro · How adversaries weaponise legitimate tools to evade detection

2026

Unveiling the Dark Arts of Exploiting Trust

Cloud Security Alliance · LOTL and LOTS attacks — how adversaries weaponise trusted services

2024

Simplicity: Complexity Resolved

CXO REvolutionaries · Why Zero Trust is the Raptor engine of enterprise security

2024

Why Your SOC Won't Save You

CXO REvolutionaries · The case for moving beyond reactive threat detection

2023

Stop Trying to Make Firewalls Happen

CXO REvolutionaries · What IT can learn from Tesla about disrupting the status quo

2022
View all writing & talks →