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Koen Klein Tank MSc RE

is a partner at KPMG IT Assurance & Advisory and serves as the Global KPMG lead for Digital Services Act (DSA) and Digital Markets Act (DMA) assurance services. Additionally, he chairs the Technology Working Group of the European Contact Group (ECG). The ECG represents the six largest international professional services networks in Europe: BDO, Deloitte, EY, Grant Thornton, KPMG, and PwC. The working group prepares FAQs, illustrative drafts of audit reports, and develops audit guidance for regulations such as the DSA and DMA.

Articles and contributions

From regulation to reality: the DSA’s early impact on trust and online safety

December 2024 - Designated very large online platforms (including social media, marketplaces, classifieds) and online search engines were required to publish their first...

Self-driving vehicles: a cat-and-mouse game between innovation and legislation

January 2021 - RDW is tasked with the formal approval of vehicle types and vehicle parts and therefore also with the approval of...

It’s Time to Embrace Continuous Monitoring

February 2017 - In recent years, we have observed a consistent trend towards the standardization and centralization of IT. Furthermore, Data Analytics (DA)...

Continuous Auditing & Continuous Monitoring (CA/CM): How to Overcome Hesitation and Achieve Success

July 2013 - This article describes the main outcomes of a CA/CM survey, a CA/CM success story and important lessons learned for a...

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