Good evening,
I hope all are safe. This is the time to add your happiness, subtract your sorrows, multiply your talents and divide your work with your family. Spare your time for others who are known or unknown at least for 1 minute by praying to god that everyone to be safe and sound.
I attached an article about the basic parameters for a secure transactions. Kindly have a look.

Regards,
R Vijayalakshmi
Assistant Professor,
Department of Computer Applications