Walnut tree consulting BV

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"Policies and procedures"

"In your Cybersecurity Management system, are what root is for your servers" - Jelle Verbeeck -

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Our Mission


To help improve the cybersecurity posture of organizations, especially those with Operational technology.

There where IT came a long way in the past years, OT has been lacking and is playing catch-up to get Cybersecurity at the same level.

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CISO Services

Be part of the team, providing guidance on how to implement best practices. Hold review sessions with team members and give the C-suite insights in how to improve the overall Cybersecurity posture with a roadmap of improvements to implement, their benefits for the organization.

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Policy reviews

Review existing policies and hold them against best practices and international standards like NIST and ISA 62443. Check compliancy against regulations and perform GAP analysis.

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Audits & Assessment

Perform audits and assessments as an independent reviewer. Check if policies, procedures and best practices are implemented and perform an in depth risk analysis. The end result is an elaborative report with actionable information.

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Cybersecurity is no longer an option but has become a necessity. reach out if you want to learn how we can improve your resiliency.