@kkarhan@infosec.space@mastodonmigration @GottaLaff Obviously, all #SATCOM is insecure.
X-Band - based #MILSATCOM use proprietary encryption systems.
The best in terms of #COTS AFAIK is #IridiumPTT which does #AES256 over the air (if not the entire #IridiumNext system except legacy services) but that is a fully-managed solution with custom, embedded hardware.
Whereas most commercial satellite Internet is insecure af [www.youtube.com], tho I'm shure Ukrainians know how to setup their own #VPN!