Software that does not provide full features until it is paid for.

greyhat (grayhat)

A hacker that sometimes acts legally and with altruistic motives and sometimes doesn't. Think of this type of person as a thief who sometimes steals and sometimes calls you to let you know a window is open .


A clever modification of hardware or software.


1. In the mass market, this is a bad person who illicitly gains access to a network or computer to which they do not have permission to connect. 2. Among programmers, a hacker is an accomplished programming guru. 3. In some circles, the term can also refer to a programmer who has no finesse. 4. In hardware, a hacker is someone who makes modifications.


A form of vandalism or electronic civil disobedience that serves a political agenda. Usually hacktivists have altruistic motives.


Programming code that learns as it goes. A common feature of antivirus or anti-spyware programs.


Hexadecimal. A base-16 number system often used to visually represent computer bytes.


Short for browser hijacker. A program that forces a web browser to open to a specific web page and makes it difficult to change it.

home network

A group of two or more computers within a user 's home that are linked together and share resources such as an Internet connection, printer, or files.


Hypertext Markup Language. A tagging language used in web pages to format them for display on the World Wide Web.


Hypertext transfer protocol. A mechanism or series of rules by which information is transferred across the World Wide Web.


A secure version of HTTP, whereby data transmitted across the Web is scrambled so it can't be viewed by unauthorized eyes.

Absolute Beginners Guide To. Security, Spam, Spyware & Viruses
Absolute Beginners Guide to Security, Spam, Spyware & Viruses
ISBN: 0789734591
EAN: 2147483647
Year: 2005
Pages: 168

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