An encrypted network is a secure communication system where data is scrambled and encoded, making it difficult for unauthorized individuals to understand or access the information being transmitted. Full definition
Those messages were released in March to the dark web, the tangle of encrypted networks where people can trade information or communicate outside of the public view. (fortune.com)
Rovell says that the 4G T - Mobile phones will have their own encrypted network so that fans or other people in the stadium won't be able to access. (diehardsport.com)
If you have devices manufactured before 2006 it's possible that, without firmware upgrades or perhaps not at all, they will be unable to access any network but an open or WEP encrypted network. (howtogeek.com)