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About us

Independent security advice that earns its keep.

We're a small, senior cybersecurity practice. We don't resell products, we don't dress up commodity scans as consulting, and we don't talk over your team. We help organisations of any size understand where they stand and how to get measurably safer.

Our story

Built around one idea.

Zero One Cybersecurity was founded on the idea that information security — done well — is not a product you buy or a checkbox you tick. It's a practice you build into the way your organisation operates.

We work with organisations who want a security partner, not a vendor. Engagements tend to start with a hard look at where the real risks live, and continue with practical, prioritised work to address them — led by senior practitioners, not delegated to a queue.

The name comes from the only two numbers that matter underneath everything: 0 and 1. Every byte of your data, every line of your code, every record of every customer. That's what we help you protect.


How we work

People. Process. Technology.

Three dimensions, weighted differently for every engagement — but never one without the others. Security only holds when all three align.

P · 01

People

Most incidents start with a human decision. We train teams to recognise threats, give clear guidance on what to do under pressure, and help leadership build a security culture that doesn't fade after the workshop.

P · 02

Process

Policies, procedures, response plans. We help you write documentation that staff actually use and auditors actually accept — aligned to ISO 27001, GDPR and the realities of your operations.

P · 03

Technology

Architecture review, hardening, vulnerability management, attack simulation. We help you choose controls that fit your stack and validate that they work through realistic adversary exercises.


What you get

The way we run engagements.

→ 01

Senior practitioners only

When you hire us, you talk to the people doing the work. No bait-and-switch staffing, no offshore handoffs.

→ 02

Vendor-neutral

We don't resell products. Our recommendations are about what fits your environment — not what pays us a margin.

→ 03

Prioritised, not encyclopaedic

Reports you can act on. We tell you what to fix first, why it matters, and what to leave for later.

→ 04

Honest about scope

If a problem is outside our practice, we'll say so — and help you find someone who can solve it.


The team

Who you'll work with.

Dimitris Gkoutzamanis

Information Security & Cybersecurity Expert

Senior practitioner with hands-on experience across IT security architecture, risk management, adversary simulation and ISO 27001 / GDPR compliance. Leads engagements from initial assessment through to delivery.

Next step

Let's see where you stand.

A short initial conversation, no commitment. We'll tell you what we'd look at first and whether we're the right fit.

Get in touch