M-N

K-L

key logger

Software or hardware that captures everything typed into a computer. This data is saved for later analysis by a third party.

LAN

Local area network. A computer network that spans a relatively small area.

live protection

A feature common to anti-spyware programs that watches for spyware infections in real time at a series of entry points on a computer. Different programs may call this feature by other names , including real time protection or immunization .