Phone Losers of America - web site devoted to telephone stuff that phone
companies don't want you to know
Phrack - information about everything you shouldn't know about telephone
Telephone Line Attacks - The telephone system presents a major threat
from audio eavesdropping attacks. Telephone tapping, a term the general
public is well aware of, is the act of monitoring telephone conversations.
Telephone taps are of two general types: Direct and Inductive.
The Hacker's Handbook - very early version of the book that was later
banned in Great Britain in 1985
The Hacker's Handbook - very early version of the book that was later
banned in Great Britain in 1985