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Sharing IT Knowledge
Bestsellers that ignite minds and inspire growth
Izak Oosthuizen — Zhero's founder and CEO — is a bestselling author whose books have topped the charts in the UK and US.
At Zhero, we believe in sharing cyber knowledge — which is why Izak put pen to paper.
Across four bestselling titles, he's brought together more than fifty of the world's security and technology experts to help build a more informed, more vigilant business community, equipped to navigate the digital world with confidence and awareness.
The Collection
Four books. Every one a bestseller.
2025 · UK & US Bestseller
The AI Advantage: Thriving Within Civilization's Next Big Disruption
Created by Erik Seversen, Izak joins 32 other security and AI experts to cut through the hype and fear around artificial intelligence. The AI Advantage is a grounded, practical blueprint for growth — showing how AI is already reshaping industries, automating work and sharpening decisions, and what it all means for cybersecurity and the risks that come with it.
2023 · #1 in the UK & US
You Don't Need a £1 Million Cybersecurity Budget
Cyberattacks threaten companies of every size, yet many SMEs assume real protection is out of financial reach. Izak proves otherwise — laying out a clear blueprint for enterprise-level cybersecurity without the enterprise-level price tag.
2021 · Amazon Bestseller
Cybersecurity NOW
Written with ten high-level cybersecurity experts as the world raced online, Cybersecurity NOW makes the case that securing and protecting data is essential to survival. A must-read for business owners and executives who want to safeguard their data — and the longevity of everything they've built.
2020 · Bestseller
Adapt and Overcome
As entire workforces shifted to working from home, Izak teamed up with ten IT specialists to help small and medium business owners protect their business, their data and their people — and turn sudden uncertainty into lasting resilience.
SIMPLIFIED · SUSTAINABLE · CREDIBLE
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