Home / About

Built by a practitioner.
Run like a research lab.

ByteDefender Inc. exists to do three things exceptionally well: protect organizations from cyber threats, train the professionals who defend them, and advance the research that keeps both ahead of attackers.

The Company

More than a testing shop

Most cybersecurity firms pick a lane: consultancy, training company, or research group. ByteDefender was deliberately founded to occupy all three — because each one makes the others better.

Our testing engagements surface the real-world problems that drive our research. Our research sharpens the methodology behind every engagement. And our training programs turn everything we learn into the next generation of defenders.

We are a young company by design: independent, practitioner-owned, and unburdened by legacy process. Every client works directly with senior expertise — never a rotating bench of juniors.

Mohammed Mahyoub, Founder & Principal Consultant of ByteDefender
The Founder

Mohammed Mahyoub, Founder & Principal Consultant

ByteDefender is led by a founder who has spent a career on every side of the cybersecurity problem — breaking systems as a penetration tester, studying them as a researcher, and teaching the discipline to the professionals who will defend them next.

Researcher

Published academic work spanning AI security, cloud security, IoT security, 5G/Beyond security, and satellite cybersecurity. [20+ / Carleton University, Canada]

Penetration Tester

Hands-on offensive security experience across web, network, and cloud environments.

Educator

Designed and delivered cybersecurity curricula for universities and industry.

Founder

Startup founder building ByteDefender as Canada's next practitioner-led security firm.

"The best defense is built by people who genuinely understand offense — and who can teach it."
Mission & Vision

What drives us

Our Mission

To protect organizations from cyber threats through expert testing and advisory, to train the next generation of cybersecurity professionals, and to advance the field through open research and innovation.

Our Vision

A world where security expertise is not scarce: where every organization can access adversary-grade testing, and every motivated learner has a path into the profession.

Rigor

Every finding evidenced, every claim reproducible, every report defensible.

Integrity

Strict rules of engagement, honest scoping, and confidentiality by default.

Knowledge Transfer

We measure success by how much stronger your team is after we leave.

Curiosity

Research isn't a department here — it's the culture that everything else runs on.

Why ByteDefender

Four reasons clients choose us

Senior expertise on every engagement

You work directly with the practitioner who tests your systems — not an account layer above a junior bench.

Research-driven methodology

Our published work in AI, cloud, and satellite security feeds directly into how we test — you benefit from the frontier, not last year's checklist.

Education built into everything

Founded by an educator, we don't just hand over reports — we debrief, teach, and leave your team measurably more capable.

Canadian, independent, accountable

A practitioner-owned Canadian firm with fixed-scope pricing, clear communication, and no outsourcing of your sensitive work.

Let's talk about what you're protecting

A 30-minute conversation is the fastest way to find out if we're the right fit.

Request a Consultation