Request for feedback

Request for feedback
Request for feedback

Forwarded from: Rodolfo G. Rosini 

I've written an introductory cellular voice security guide and would 
like to get some feedback before releasing it into the wild. ISN readers 
are not my audience but they are a very informed bunch and I'd like 
to get their viewpoint on this.

The brief is at 

Feedback (of any kind) is more than welcome at rodolfo (at)


- Rodolfo

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