Information Communication Technology ICT – 15 Proofing | e-Consult

Validation is the process of checking that data conforms to the defined rules and formats. It ensures the data is correct in terms of its structure and type. For example, validating that a date field in a form is entered in the correct format (e.g., DD/MM/YYYY) or that a required field is not left blank. Verification is the process of checking that the data is accurate and complete, often by comparing it to a reliable source. For example, verifying a customer's address by checking it against a postal address database or verifying a financial transaction by cross-referencing it with bank records. Essentially, validation checks how the data looks, while verification checks if the data is correct.

• Validation Example: Checking that an email address contains an "@" symbol and a domain name.
• Verification Example: Confirming a customer's identity using a government-issued ID.