hack : Attempt to break into computer networks and bypass their security.

hosting provider : A third-party company that leases out Web space by the month or year, similar to office space.

.htaccess file : A control file that allows server configuration changes on a per-directory basis. The file controls that directory and all of the subdirectories contained within it. Usually, this file is placed in the root folder of a Web site.

Hyperlink, hypertext link : A link to another part of a Web site.