Re: Inter-ISP/Telco/X.25 security procedures?

[Sean Donelan <sean () donelan com>]

On Mon, 16 Sep 2002, Mark Kent wrote:
> > > Please see Clifford Stoll's book The Cuckoo's Egg for a description
> > > of tracking an intruder across various PSTN, PSDN and Internet providers.
> > > I haven't seen a better description of the process.
>
> And there were, what?, three US ISPs back then?
>
> And when Stanford was getting hacked, where was BBN...
> Answer: right on the Stanford campus, in Stanford buildings!
>
> We don't have the same Internet architecture as we had
> during The Cuckoo's Egg era.

I would love to become educated on today's process.  Please share
how the inter-ISP security procedures have changed.