TelcoSec Guard continuously monitors cellular Baseband signaling events via direct telephony layer inspection. It detects 2G/GSM cipher stripping attacks (A5/0), 5G null-ciphering downgrades (NEA0), silent SMS interception (Type 0 / Ping SMS), rogue cellular base stations (IMSI-catchers / Stingrays), and unauthorized roaming tracking.

Download APK (13.5 MB) Enterprise Support →

Cryptographic Checksums & Integrity

SHA-256 Digest of official bit-for-bit release binary:

8e7c10b429188e40428d08316dfa9a3b952a265f24205565e23652875b2bb5a4

Required Android Permissions

This application operates strictly locally with zero outbound tracking:

🔒 android.permission.READ_PHONE_STATE🔒 android.permission.ACCESS_FINE_LOCATION🔒 android.permission.RECEIVE_BOOT_COMPLETED🔒 android.permission.FOREGROUND_SERVICE_SPECIAL_USE

Recent Changelog

• Enhanced 5G Standalone cipher verification
• Improved rogue BTS false-positive filter
• Added Silent SMS packet inspector
• Added RRC Connection Reconfiguration anomaly analyzer