Ficticious Medium-Sized Business/ Operating System Security

For this individual project, you are to create a fictitious medium-sized company. The company has 150 employees and uses a mixed operating system environment (MacOSX and Windows, or Linux and Windows).

Deliverables:

Define the organization and its purpose
Explain  which segments or functional groups within the organization use Windows and which use Linux or MacOSX
Discuss your plans for maintaining the security of those platforms including any tools that you will employ and why, including (at a minimum):
scheduling
testing of patches prior to deployment
and change management

At least 6 sources with a work cited page seperate from the 6 pages for the intro,  body, and conclusion