Rikkert ten Klooster

Risk Advisory

Junior Manager

Rikkert ten Klooster

Gustav Mahlerlaan 2970

For navigation: Gustav Mahlerlaan 3004

1081 LA Amsterdam


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Rikkert is a security specialist at Deloitte Cyber Risk Services with over 5 years of experience as a security specialist and Red Teamer.

Rikkert performs APT (Advanced Persistent Threat) simulations for various clients in the Dutch government, the public transport sector and the financial sector.

Furthermore, Rikkert facilitates CTF (Security challenge based) competitions and trainings with the use of the Deloitte Hackazon Portal.

Rikkert was part of the Deloitte Cyberlympics team who won the competition in 2016 and 2017.

Rikkert has the OSCP certification from Offensive Security.

Rikkert ten Klooster