The previous page is sending you to https://www.vitalsource.com/products/beginning-security-with-microsoft-technologies-vasantha-lakshmi-v9781484248539?duration=30&srsltid=AfmBOoqJcUm3sZAr5calqeOPHypE91Be00L1zoz8O8j5JXU9gofza3OptGI.

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