The words cryptography and encryption may conjure visions of spies and clandestine operations, or of hackers sat in windowless rooms. Yet much of today's modern online world wouldn't be possible without what is meant by those two words.

Cryptography and encryption are the cornerstones of any good cybersecurity solution. For example, they help to keep your emails safe from prying eyes and protect online payments.

As you continue your journey into the world of cybersecurity, you'll see how we use cryptography and encryption to protect ourselves in day-to-day activities.

After completing this module, you'll have a good grounding in:

  • The basic concepts of cryptography.
  • How encryption is used in cybersecurity.
  • What hashing and digital signing are used for.
  • How digital certificates support good cybersecurity.