Fraud

Is when someone on a computer creates fake identities to make credit cards and other things.

filtering

Is deciding which data packets are allowed to be sent and which packets should not be sent.

This software Active Wall is a filtering program.

Window Mail

A Microsoft Windows Vista  feature, formally called Outlook Express in previous Microsoft operating systems. Windows Mail better addresses concerns regarding junk e-mail and phishing attacks.

User Agent

is a term used to mean any program used for accessing a website.

Text Messaging

Is sending text messages to other people through your phone.

Spam

Is electronic junk mail or junk newsgroup postings.

Signature

A digital code that can be attached to an electronically transmitted message that uniquely identifies the sender.