Symmetric Key Cryptography Courses
University of Colorado System via Coursera Classical Cryptosystems and Core Concepts
University of Colorado System via Coursera Introduction to Applied Cryptography
University of Colorado System via Coursera セキュリティ入門（情報セキュリティマネジメント試験レベル）
Udemy Symmetric Key Cryptography
TheIACR via YouTube Tales from the Crypt - A Cryptography Primer
Linux Foundation via YouTube Symmetric Key Cryptanalysis - Session I
TheIACR via YouTube Ask Me Anything - with Joan Daemen
TheIACR via YouTube SCA of Symmetric-Key Schemes
TheIACR via YouTube Symmetric Key Cryptanalysis - Automated Tools - Talk 1
TheIACR via YouTube