The Drents Overijsselse Delta water board had a portal with BSNs set to public

An online portal of the Drents Overijsselse Delta water board containing, among other things, citizen service numbers of residents in the area was temporarily public. The water board has protected the portal again and says it has reported it to the AP.

The water board, which covers an area of ​​255,000 hectares in Drenthe and Overijssel, warns on its site that there is a 'possible data leak ' has been. The water board discovered that an online portal containing data was publicly accessible. This concerns an environment in which 'data from cadastral parcels and the owners and titleholders of these parcels' were on digital maps. “This may have resulted in access to personal data,” the water board writes, although it also says that it is not known whether the data was actually accessed unlawfully. “The data was only accessible to people with knowledge of our geo-information portal and the technical knowledge to find the data. We do not know whether the data was actually found and accessed by unauthorized persons. It was not possible to change the data. “

The portal contained not only address details, but also citizen service numbers of residents in the area. It is not clear how many people are involved; About 639,000 people live in the area of ​​the water board. The water board says it has reported a data breach to the Dutch Data Protection Authority.