-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 30/10/12 16:39, John Case wrote: > Ok, fine. But out of curiousity, how much risk does a mobile phone > with no sim card add to a solution like that ? > > GSM, and 3G, are designed around the sim card, so I understand > that basically nothing can happen at all without it - I feel > relatively certain that a typical carrier deployed base station, > etc., is "powerless" against my phone with no sim card inserted. > > But what if I was very tinfoilhat-crazy-paranoid - what kind of > scenario or attack could I be susceptible to if I had an actual > *phone* with no sim card installed (as opposed to a device like > samsung galaxy player that has no mobile radio installed AT ALL) > ?
My Android phones (Huawei U8110 and Samsung Galaxy Nexus) allow emergency calls when booted without SIM cards, suggesting they're capable of talking to the GSM network. Cheers, Michael -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQEcBAEBAgAGBQJQkATsAAoJEBEET9GfxSfMtQEH/iqR1rWuy6Q+UO4VC8bg4FGI EyqOyBaam5NmezI0vuQfM0IUWy74jeiFT8nly/e8Ei6om1nJ/4JUV4LpM7uVPrza ZIXEbOautDDgDwM6Fm97xb5Pwk/UT0pm0E4FYwyifznwStuGF8kBt/+eyNEtIaaY Bigo5HoctiYpbLRlsCgrQmNwZW4A50+mIzResBCuQU2A+pIUKxmG+Pz9TdzjRKx8 Nvf9aXKRVkjGhzSr0vHZ5A+zQOjlYfqxbwSp6sf4TLDRQR1Ulcg9YU2ucSSl002i JRvLHFR8p0Ga3ZEoXBJqV9g5Xd3+6/0JAA+E0BsYa2bPWxbKAqjnWcc3T3ke0SA= =Hw9V -----END PGP SIGNATURE----- -- Unsubscribe, change to digest, or change password at: https://mailman.stanford.edu/mailman/listinfo/liberationtech
