Jane Doe is the network administrator responsible for security for a small

Jane Doe is the network administrator responsible for security for a small defense contractor. Her company does handle some low-level  classified material. She has implemented a strong security approach that includes the following: 

- A firewall has all unneeded ports closed. 

-Virus scanners are placed on all machines. 

-Routers between network segments are secured. 

-All machines have the operating systems patched monthly.

-Passwords are long, complex, and change every 90 days.  

What other recommendations would you make to Jane Doe? Explain the reasons for each of your recommendations. 

Your Case study should be complete, organized, supported by references.  There should also be citations from your references to support your suggestions.

Please use APA format and do not use old book references. Please use online newer websites as references.