Illustration of "Wiretapping"

Capture ANY communication in a medium and network

Capture ANY communication in a medium and network

 Wires

  Copper calbes

Physical connection to a copper network (easy if contact with wire).

Optic fibre

Vert difficult without being noticed

Waves

Microwaves

Easy (requires to place an antenna near the receiver.

Satellite communications

Must be on a given area

Networks, LAN

Hubs are broadcasting on the network (compromise ONE device, or plug an attacker in the network and discover all communications) Switches are not broadcasting