100 Days of Cyber: What I Learned—and Where We’re Heading
One hundred days of translating complex security work into human language revealed a red thread: we are not simply protecting systems. We are protecting promises.
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Fook Hwa TanFaith · Clarity · ServiceWriting & videos
Reflections on cybersecurity, resilience, leadership and the work of turning difficult subjects into useful conversations.
New release
A new book for chairs, non-executive directors and executives who want to move from a reassuring dashboard to the decisions only leaders can make.
The book series
Ten short, practical briefings for leaders who want clearer cyber decisions without the jargon—written from more than two decades of cybersecurity leadership, governance and assurance.

A boardroom guide to oversight, accountability and resilience—turning uncertainty into decisions leaders can own.
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Twelve measures every board should demand: a one-page view of exposure, preparedness and resilience.
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An executive playbook for leading through a cyber incident when facts are incomplete and pressure is rising.
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Decisions, trade-offs and recovery when operations are held hostage.
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Governing cyber risk across suppliers, cloud platforms and digital dependencies.
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A boardroom guide to AI, data and cyber risk—enabling responsible innovation without losing control.
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How leaders set priorities, risk appetite and investment that protect what matters most.
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How boards rehearse the crisis before it arrives—and turn lessons into owned improvement.
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A leadership guide to digital risk in mergers, acquisitions and investment decisions.
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A boardroom guide to human risk, trust and accountability—because people make security real.
Kindle & paperback ↗Also via Books2Read ↗One hundred days of translating complex security work into human language revealed a red thread: we are not simply protecting systems. We are protecting promises.
Read on Medium ↗Can an organisation keep its promises when systems, suppliers or plans fail?
Read on LinkedIn ↗Why visibility and measurement matter more than another document on the shelf.
Read on LinkedIn ↗Reflections on digital connection, shared learning and the cybersecurity community.
Read the article ↗Explore ISO 27001, ISO 27701 and other professional learning opportunities.
View at ISACA ↗Featured talk
My session for Aedes (the Dutch association of housing corporations) on making sense of AI and the EU AI Act—governance leaders can actually use.
Watch & listen
Videos and conversations where complex ideas become a little easier to carry into everyday life.
Selected publications
A selection of professional and academic contributions on security, resilience and AI—many in Informatiebeveiliging Magazine of the Platform voor Informatiebeveiliging (PvIB)—reaching back to my earliest research at the crossroads of informatics and economics.
Tan, F.H. — how AI is reshaping the security competence landscape.
Van Deursen, N. & Tan, F.H.
Montes Portela, C., Hoeve, M., Tan, F.H. & Slootweg, H.
Security in the headlines, translated for practitioners.
Master’s thesis — an early exploration of machine learning on financial news.
Bachelor’s thesis in Informatics & Economics.
Follow occasional work
I publish when I have something useful to add. For now, LinkedIn and YouTube are the best places to follow new writing, talks and resources. A proper opt-in mailing list will be added only when there is a dependable publishing rhythm.