Why encryption is such an important security tool

Computer Science Nov 17, 2020

Why encryption is such an important security tool. How does it help network defense and how can it hinder or limit packet filtering?
-Discuss:
-Modern Cryptanalysis Methods
-timing attacks
-power monitoring attacks
-Acoustic cryptanalysis
-Radiation monitoring
-Thermal imaging attack
-XSL Attacks
-Differential Cryptanalysis