I guess end to end encryption with Redphone or Ostel would defeat stingray/imsi catchers but no idea with type0 sms spam tracking. Use a faraday pocket :/ Chao

I guess end to end encryption with Redphone or Ostel would defeat stingray/imsi catchers but no idea with type0 sms spam tracking. Use a faraday pocket :/ Chaos Computer Club reverse engineered some Qualcomm basebands to find them running in ARM supervisor mode with no NX bit. NSA must love that