Explore essential data security techniques for .NET Core in this comprehensive conference talk. Learn how to fulfill your duty as a software developer to protect and secure your employer's data. Dive into random number generation, hashing, authenticated hashing, and password-based key derivation functions. Discover the intricacies of symmetric and asymmetric encryption using DES, Triple DES, AES (ECB and GCM), and RSA. Master the art of combining these elements to create a robust hybrid encryption scheme incorporating AES, RSA, HMACs, and digital signatures. Gain valuable insights into satisfying confidentiality, integrity, non-repudiation, and authentication requirements, moving beyond hope to implement a solid data security strategy for your .NET Core applications.