https://www.youtube.com/watch?v=68Pqir_moqA
https://whatis.techtarget.com/definition/Confidentiality-integrity-and-availability-CIA
https://www.youtube.com/watch?v=vv4y_uOneC0
https://www.youtube.com/watch?v=8McWgtErCQk
https://www.youtube.com/watch?v=67MBpoOZpeI