Net Abuse - Net abuse can be either abuse of network services, or violations of netiquette. E.g. Attempting to "hack", or break into accounts, using an account for any illegal activity, sending unsolicited e-mail, spamming.

Netiquette ("network etiquette") - The conventions of politeness (Miss Manners etiquette of the Internet) recognized on USENET, such as avoidance of cross-posting to inappropriate groups and refraining from "commercial pluggery" outside the biz (business) newsgroups.

Netscape - A Web browser (Navigator) and by default, the name of the authoring company. The Netscape browser was based on the Mosaic program developed at NCSA.

Network Solutions, Inc. (NSI) - AT&T provides directory and database services for registered Internet hosts, while NSI administers the registration process.

Newbie - A new Internet user.

Newsgroup - A series of articles (postings) concerning specific themes. Usenet groups can be un-moderated (anyone can post) or 'moderated' (submissions are automatically directed to a moderator, who edits or filters and then posts the results).

NIC (Network Information Centre) - A NIC provides information, assistance and services to network users. The Internet Network Information Centre (InterNIC) is a project administered by AT&T.

Nickname - A name that you select when you connect to an IRC server. Many users choose descriptive nicknames that have no relevance to their real identity.

Node - A device on a network that requests or provides services. A node is also used to describe a network workstation.

NT (New Technology) - Windows NT is Microsoft's 32-bit version of Windows. It is a stand-alone operating system (OS) that is also a network ready system.