An M3U8 file is the "playlist" telling the player where all the video chunks are. You will see a URL ending in index.m3u8 or playlist.m3u8 .
Employs protective measures to hide direct links to video files from standard grabbers and DMCA bots.
KVS v6 includes robust security measures to prevent downloading. Videos are often served with ?token=... parameters in the URL that expire after a few seconds or are tied to a specific Referer header.