Lamer / Luser / Leecher.
Common among warez, crackers, and phreakers. A person who downloads much, but who never uploads. Also someone who annoys the sysop or other BBS users — for instance, by posting lots of silly messages, uploading virus-ridden software, frequently dropping carrier, etc. In phreak culture, a lamer is one who scams codes off others rather than doing cracks or really understanding the fundamental concepts.
Least privilege administration.
A recommended security practice in which every user is provided with only the minimum privileges needed to accomplish the tasks they are authorized to perform.
Local attack.
An attack that targets the computer to which the attacker is interactively logged on.
Legacy system.
A legacy system is one that will not receive any further development or enhancement. Typically, once a system has been declared to be a legacy system the only changes that are made to it are the application of patches that prevent security risks. When a system has been declared a legacy system, new accounts are created only under rare circumstances. A system is often declared to be a legacy system as a part of a plan to retire it.
Linked object.
An OLE object may be linked as opposed to embedded. For a link, the container merely saves the actual filename, as opposed to the whole file.
LiveWire.
JavaScript “LiveWire” refers to a development environment for creating server-based applications using JavaScript. These applications are similar to CGI scripts in their behavior.
Lock.
To prevent access to something. To make a file or other piece of data inaccessible. File locking is a critical component of all multi-user computer systems, including local-area networks. When users share files, the operating system must ensure that two or more users do not attempt to modify the same file simultaneously.
Log in.
To connect to a computer, web-site or computer network to access its information, usually requiring an authorized name and password.