You can encrypt all your course content while creating the course.
Login to Learnyst as admin and go to Courses in admin dashboard.
In the Course View page Click on Create button.
In create course pop up window while giving your course a name and setting up the price, If you want to make course as free then select free checkbox, select the Encrypt Video check box too and click on Create.
Learnyst will ensure that your course content is encrypted and hence the content cannot be misused.