I came across this post on Symantec's Blog regarding *most* SIM cards today use the weaker 56-bit DES private key.  It can be cracked within a few minutes using rainbow tables. It says to chec... Ver más...
I came across this post on Symantec's Blog regarding *most* SIM cards today use the weaker 56-bit DES private key.  It can be cracked within a few minutes using rainbow tables. It says to check with your provider asking if they filter OTA messages on their network, and/or using stronger encryption.  Both of my phones use SIM cards. Source: http://www.symantec.com/connect/blogs/hijacking-sim-cards-through-over-air-updates