Secure Sockets Layer (SSL)

 Is a protocol developed by Netscape for transmitting private documents using the internet.

Repetitive strain Injury (RSI)

Damage to tendons, nerves, and other soft tissues that is caused by the repeated performance of a limited number of physical movements and is characterized by numbness, pain, and a wasting and weakening of muscles.

Public Key

Public key cryptography uses two mathematical keys that are related.

Private Key

The unpublished key in a public key cryptographic system.

Keylogger

is a type of surveillance software  that has the capability to record every keystroke you make to a log file, usually encrypted.

Hardware Firewall

A firewall that is built into a router or a stand-alone device.

Hacking

Is when someone breaks into a computer by gaining access to administrative controls.