ATM and VPN's

[Bennett Todd]

2000-03-21-03:59:20 Franco Sabaris, Javier:
> If you don't trust your ATM carrier, I can't see why you should
> trust your voice carrier, or your point to point circuits
> provider. So, following the same idea, you should encrypt
> every information (data or voice) that travels outside your
> buildings. Isn't it a bit paranoic?

Maybe so, maybe not.

If you care about security in the face of determined attacks by
knowlegeable attackers, then you protect data connections with
encryption whether they're going over the general internet, an ATM
link, or a dialup connection over a voice line.

And if you are seriously concerned about the security of a
piece of voice traffic, you don't discuss it over the phone;
too many unscrupulous or even amoral people are tapping all
telecommunications these days. That's why the "encryption" in every
digital cellphone is deliberately crippled.

There's a difference, though. People can, if they wish to, think
about the security of specific comments and avoid speaking
insecurely on the phone. People like to trust that computer
connections are suitably secure for any traffic, and using VPNs over
all telecommunication links we can give them that security.

-Bennett
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