IT Security questions

1. Describe the following three WLAN security protocols:

• WEP
• WPA
• WPA2

What are the major differences among WEP, WPA, and WPA2?

2. Describe the different types of security threats facing an information system.

Describe the mitigation methods for those security threats.

Notes:

Additional postings are welcomed but only the first 200+-word answer and the first 200+-word response will be graded.

Include at least one reference in your answer to the question. 

Your reference(s) should be APA compliant.