Building Your Own Spy Gear . . .

The simplicity of building a snooping device makes it quite tempting to do so. This section contains several suggestions and rough schematics on how to build and connect such a device to an ordinary computer. Although the circuit is not particularly complex and does not require a master’s degree in soldering and a printed board circuit design software, a minimum level of proficiency in electronics is desirable, as is a dose of common sense. Although external interfaces of today’s computers are fairly robust and foolproof, there is always the risk of damaging equipment when attaching home-brew devices in a really innovative way, in a brief moment of insanity. It’s happened to the best of us.

The baseline design is ...

Get Silence on the Wire now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.