software license
TRANSCRIPT
Objective Overview
•Discuss at the types of software licenses
•Discuss the types of commercial software licenses
• Discuss other topics brought up by software security Liscenses
Software Licenses
Computer software- intellectual property
•Source code is protected by copyright laws
Commercial Software•licensed to be sold for profit by the
companies that create it
•Very strict license, protecting copying or changing the software
Shareware•distributed for a low cost and free
for a limited time
•usually used as a trial or “free sample”
Freeware•distributed for no cost, but
copyright is still maintained
•no re-selling or changing
Public Domain•License allows changing the
software and giving it away
•Usually the copyright has expired or the rights have been waived
Free and Open Source Software (FOSS)
•users have the freedom to do anything the wish with it, including re-sell and make changes
•must republish under same license, so everyone can benefit
Freeware Vs FOSS
•Freeware- free in money
•FOSS- free as in freedom
Source Code•the instructions that make up the
software
•able to be altered to change the software
•written in languages such as C, Java, and basic
Source Code
•http://www.youtube.com/watch?v=LERFIwHaApc
Security•FOSS can be secure in a sense that
many people can see and change problems within the software
•FOSS has a chance of malicious users changing the software for the worse
Transparency•software is seen by all, so it can be
verified if changed or not
•one example- electric voting machines
Commercial License•types of commercial licenses
•End User License Agreement (EULA) is the terms and conditions agreed to when software is installed
Commercial License (cont.)
•Single user license- 1 user can use the software
•multiuser license- about 4 people, meant for families
Commercial License (cont.)
•Site license- software is installed on as many users as the organization wants
•used for big organizations and often expensive
Copy Protection•commercial software producers try
to protect against piracy
•use things mechanisms such as activation codes and serial numbers
Protection Organizations
•help stop piracy
•Digital Rights Management(DRM)- protect media
•Federation Against Software Theft (FAST)-help software companies
Review•Commercial Software, Freeware, Shareware, Public Domain, and FOSS
•Commercial Licenses- single, multi, and site
•transparency?
•FAST (Federation Against Software Theft)
Sources
•Google Images
•Youtube
•ITGS book
•exambuilder.com