For this milestone:3,  you will design improvements to your Milestone:2 network infrastructure that improve security to electronic mail, and protect against intruders and malicious software. 
Use the information from your studies and feedback from previous assignments, to help you with this process. 

Assignment Requirements:
1)Revise your original Visio diagram to depict any changes that you propose to make. 
2)Summarize your recommendations for change in a Microsoft Word document.