A telephone, or phone, is a telecommunications device that permits two or more users to conduct a conversation when they are not in the same vicinity of each other to be heard directly.

learn more… | top users | synonyms

5
votes
1answer
151 views

Hacking/Sniffing/recording GSM like Karsten Nohl

For a course at college, I wanted to reproduce the attack on GSM shown in this video by Karsten Nohl: https://www.youtube.com/watch?v=0hjn-BP8nro. From what I understand he used an USRP radio to ...
-5
votes
1answer
90 views

How to authenticate a user account from a website over the phone?

A support team is answering calls and providing well support. It would be conceivable for someone to impersonate or ask for something which should be authenticated first. Which are the best methods ...
4
votes
0answers
49 views

Can I use a satellite phone for 2 factor auth sms and such?

Would 2 factor authentication SMS messages or other kinds of internet security notifications work with satellite phones? E.g. companies like Google, Paypal, Facebook, banking institutions and others ...
3
votes
0answers
36 views

What are the security implication of implementing an IVR functionality in my application?

I am planning to implement an Interactive Voice Recognition (IVR) functionality in my python-based application. I will be using IVR as a backup verification method or when a user is going to setup her ...
1
vote
0answers
33 views

Migration from TDM to All IP: any security issues?

My phone operator is slowly abandoning TDM (Time Division Multiplexing) to replace it with IP connections. What are the security risked related to this change? will all the phone line be like in a big ...
0
votes
0answers
22 views

Is there any benefit to re-verifying someones identity on the phone once transferred?

So this example is quite specific. You call up an organisation and they verify your identity using two pieces of information (eg; date of birth, last payment date, mothers maiden name). But then once ...
0
votes
0answers
9 views

Multiple service providers to establish link

If data roaming is disabled, could service providers still use links from multiple service providers to establish connections between a carrier and a destination point?