The Netherlands has a long history of being a hub of international trade, from spices and bulbs to diamonds and IP packets. Add to that its tolerant attitude to

The Netherlands has a long history of being a hub of international trade, from spices and bulbs to diamonds and IP packets. Add to that its tolerant attitude towards pornography, prostitution and drugs - compared even to much of Western Europe - and it wouldn't be much of a surprise to see organized crime diversifying beyond things like porn hosting (which benefits from the IXP you mention) into malware and identity theft too. (I have no data to back this up...)