Esther Schagen-van Luit – Medium

Esther Schagen-van Luit

Esther Schagen-van Luit

How should I spend my time as a CISO?

I decided that I would like to write again for Medium. For those of you that read my SecArch Files, I’ll do so under a new name given this…

6 min readFeb 15, 2021

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How should I spend my time as a CISO?

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Esther Schagen-van Luit

How to Ace Your SABSA Advanced Security Architecture Exam — Part II

Everybody has things in life they regret. Not speaking anymore with that childhood friend. Not studying harder for that exam. Eating that…

8 min readJun 18, 2020

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How to Ace Your SABSA Advanced Security Architecture Exam — Part II

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Esther Schagen-van Luit

Battle of the Architectures: Enterprise vs Security!

As an adventurous learner my eye is always on the horizon for the next big thing to learn. This week I dove into TOGAF and its ADM. I like…

5 min readMay 25, 2020

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Battle of the Architectures: Enterprise vs Security!

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Esther Schagen-van Luit

What if you could organize your own Security Architecture conference?

Then, let’s face it, it should be like COSAC. Period. What follows is an eye-witness account of the incredible value that COSAC brings…

12 min readMay 24, 2020

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What if you could organize your own Security Architecture conference?

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Esther Schagen-van Luit

Help?! I want to Be a Great Security Architect — Part II

Welcome back to this article series that dives into what it is that a Security Architect does and what tools in the shed are needed to…

8 min readMay 24, 2020

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Help?! I want to Be a Great Security Architect — Part II

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Esther Schagen-van Luit

Calling all Security Architects to Arms

Too long have we lived in the shadows of theory and spaghetti diagrams! Too long has our architecture been misunderstood by those who pay…

7 min readMay 24, 2020

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Calling all Security Architects to Arms

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Esther Schagen-van Luit

What everybody wants to hear about Security Architecture. For real.

In an earlier article we tackled the question of what Security Architecture is. Today’s article is about why others should care. The first…

6 min readMay 24, 2020

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What everybody wants to hear about Security Architecture. For real.

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Esther Schagen-van Luit

Help?! I Want to Be a Great Security Architect! — Part I

Those who know me well, know I fell in love with the COSAC conference first, SecArch second. Maurice Smit invited me to come and speak at…

10 min readMay 24, 2020

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Help?! I Want to Be a Great Security Architect! — Part I

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Esther Schagen-van Luit

The Most Difficult Security Architecture Question Out There

Drumroll…. I think it is this one:

6 min readApr 11, 2020

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The Most Difficult Security Architecture Question Out There

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Esther Schagen-van Luit

How to Ace Your SABSA Advanced Security Architecture Exam — Part I

I had the pleasure of participating in both the SABSA A1 and SABSA A3 courses in February/March 2019. Doing the course and passing the…

4 min readApr 11, 2020

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How to Ace Your SABSA Advanced Security Architecture Exam — Part I

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Esther Schagen-van Luit

Esther Schagen-van Luit

Leading Lady in Cyber | ISF Principal | CISO | FD Top 50 Talent | SER Topvrouw | Dutch Women Council | Founding Member The Female Forum | Blikverruimer 2023

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