Data Encryption What is Data Encryption? Data encryption is the process of converting plain text into unreadable code to protect sensitive information. Only authorised parties with a decryption key can access the original data. Explanation Encryption ensures data security during storage or transmission, protecting it from unauthorised access. It’s widely used in online transactions, messaging apps, and cloud services. Practical Example of Data Encryption A bank encrypts customer account details to ensure their safety during online banking transactions, preventing interception by hackers.