Lemmid B.V.

Lemmid provides internet services for selected Dutch and international customers. Together with the customer Lemmid develops new IT products and services, including websites, web applications and apps.

dsd 164 B.V.

dsd 164 B.V. is a publisher of mobile apps for the international market. Apps from dsd 164 B.V. are downloaded millions of times.

Willem & Laurentz Holding B.V.

The Willem & Laurentz Holding B.V. invests in technology related companies. It is actively contributing to the development of new initiatives.

DigiDef

DigiDef is a specialised bureau that analyses existing computer systems and offers help with improving security.

Snake '97

Play Snake like it is 1997. This is a remake of the original Snake, complete with dot-matrix display and monotone sounds. The game has millions of fans world wide.

Outside the comfort zone: amateur acting

Wearing an heart rate monitor during my debut performance

This month I made my debut as amateur actor. I am no Hollywood star, nor do I envy to become one. But I do like crazy experiments and operating outside of my comfort zone often leads to new and refreshing insights. I took part in an amateur drama play and - in the name of science and fun - strapped myself with sensors to measure what happened to my body.

Cyber security: 5 easy tips to protect your server against hackers

Server hardening best practices for Windows and Linux

This week one of my clients was hacked and asked me for emergency assistance to help secure their server infrastructure. It was a web server that ran WordPress websites on Apache (with PHP/MySQL), including a few webshops with customer data. This hack could easily have been prevented with the following best practices, is your server secure?