A durable medium allows customers to store information personally addressed to them in a way that is accessible for future reference. Further reading Guidance on Durable Medium (FCA) Definition of Durable Medium (FCA Handbook) The FCA issue guidance on the outdated definition of ‘durable medium’ (Lexology); June 2017

Dynamic Application Security Testing (DAST) is a security testing method that analyses a running application from the outside to identify vulnerabilities by simulating real-world attacks.

Elasticity in the cloud refers to the ability to dynamically scale computing resources up or down in response to demand, optimising both performance and cost.

To be properly classified as an assurance engagement, there must be five elements in place: A three-party relationship Subject matter Suitable criteria Sufficient appropiate evidence An assurance report Further reading The five elements of an assurance engagement

Encryption is the process of scrambling data to make it unreadable to unauthorised individuals in order to protect its confidentiality. Technically, this involves using an algorithm and a cryptographic key to transform the original plaintext (readable data) into ciphertext (unreadable data). Only individuals who possess the corresponding decryption key can reverse this process and restore the data to its original readable form. Further reading The Code Book, by Simon Singh