The previous page is sending you to https://www.vitalsource.com/products/windows-ransomware-detection-and-protection-marius-sandbu-v9781803230610?duration=perpetual&srsltid=AfmBOoq1Dqp1x_aV9oc4ILisrDwUOYrIUCsh1bZv7QbqwI1AeA8zJqTi6yY.

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