About a week ago, vandals began defacing the map in South Korea. Over the course of that week, I rolled back hundreds of changes, and with the help of the site’s moderators, I banned over 50 malicious accounts.

In fact, the problem arose not even a week ago, but about a month ago. Back then, South Korean media reported that one account had allegedly leaked the locations of all the country’s military bases to the public on Openstreetmap. (link)
Even then, this false media claim struck me as disgusting, but it didn’t cause any major problems. Almost simultaneously, another Korean media report about Openstreetmap appeared: allegedly, an error in the domestic mapping services NaverMap and KakaoMap displaying a river in North Korea was linked to Openstreetmap’s activities: (link)

