You are viewing a free preview of this lesson.
Subscribe to unlock all 10 lessons in this course and every other course on LearningBro.
Encryption is one of the most important tools in cyber security. It protects data by converting readable information (plaintext) into an unreadable format (ciphertext) that can only be decoded with the correct key. This lesson covers symmetric and asymmetric encryption as required by the GCSE Computer Science specification.
Whenever data is stored or transmitted, there is a risk that it could be intercepted or accessed by unauthorised people. Encryption protects:
Without encryption:
Subscribe to continue reading
Get full access to this lesson and all 10 lessons in this course.