ISOL 632 CALUMS Business Continuity Planning and Disaster Recovery Planning Paper

1- Should authentication be required for all activities (Read, write, delete)?2- Why authentication for customers in e-commerce businesses are not required most of the time?3- What do you think about two-way authentications? Any experience with it? Did any company asked you before for two way authentication (apple ID as an example).Feel free to talk about your experience or add any ideas r thoughts related to Authentication.