North Korea's operating system watermarks every file you touch
The $15 Red Star OS embeds your drive's serial number in media files and lets the secret service delete flagged content remotely.
North Korea's Red Star Linux OS ships with a modified Firefox called Naenara ("Our country") and lets users browse Kwangmyong, the country's isolated national intranet. It also comes with an office suite, media players, and video games. It sells for $15.
It also has a watermarking tool th…
