About us

No hightech startup is complete without a company sweater...

Our purpose 

Software is getting more complex, the amount of criminal hackers is growing, and automatic tools for software engineers are just not good enough. Human software security experts are irreplaceable, but could use a hand.

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Our purpose is to make the digital world a safer place. And our mission supports that: to build a review environment that is loved by security analysts worldwide. 

Our expertise

Decades of (ethical) hacking experience are the basis of our security methodology and our review environment. Since 2020 we are compiling all our knowledge in our review environment. Which apparently makes customers happy:

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“What I especially like about Codean is that manual work is captured in a digital process”, CTO of SaaS software SME

Kevin Valk

Founder & co-CEO

• Started hacking games in 2004 (when he was 13)

• Created a job in Silicon Valley after hacking a game from an Activation Blizzard game studio

• Worked as security analyst at Northwave and Riscure for a.o. the payment card industry and governments

• Talented in both ethical hacking and software engineering

Arthur Tolsma

Co-founder & CEO

• Founded his first startup in 2007, sold it in 2012 (not very successful, but he learned a lot)

• Guided hundreds of startups as coach and trainer

• Writer of the book 'Startups & Downs'

• Worked as innovation consultant & coach at EY VODW and Rabobank

Our investors

Our stories