The previous page is sending you to https://www.vitalsource.com/products/beginning-security-with-microsoft-technologies-vasantha-lakshmi-v9781484248539?duration=30&srsltid=AfmBOooabi8wlqfpLVb9_FO6sScA6iEwKSxOUvs5PuA15nd90FBdwTIOMY4.

 If you do not want to visit that page, you can return to the previous page.