3GPP specification 33.899: Study on the security aspects of the next generation system - version 1.3 available

New version 1.3 has more than 600 pages

Some information about mobile security from recent BlackHat Conferences

ASIA-2017:

3G/4G INTRANET SCANNING AND ITS APPLICATION ON THE WORMHOLE VULNERABILITY

MOBILE-TELEPHONY THREATS IN ASIA

USA-2017:

New Adventures in Spying 3G and 4G Users: Locate, Track, Monitor

SS7 Attacker Heaven turns into Riot: How to make Nation-State and Intelligence Attackers` lives much harder on mobile networks

Ghost Telephonist - Link Hijack Exploitations in 4G LTE CS Fallback

more information on BlackHat site

Those 'stingray' detector apps are basically useless, say researchers

link

... you have tunnels over tunnels over tunnels :-) SD-WAN security a headache? (LTE networks are very packet-size sensitive)

link: SD-WAN security a headache?