What? Alphanumeric fields which would contain data in encrypted form. Mostly to be used in case of government regulations, as they have processing overhead and certain limitations for e.g. these fields cannot be unique, indexed or have default values. Also, there is a limit of 175 characters. Where? Custom encrypted fields can be be used in various applications and can be displayed on page layouts and can be even included for validations via validation rules and apex code. Why? Certain business needs or government regulations require certain data to be stored in encrypted state and displayed in masked form. For e.g. Social security numbers or credit card numbers. Salesforce makes it easy to achieve it via Custom encrypted fields. How? Custom encrypted fields can be created as just another custom field with type selected as " Text (Encrypted) ". Master Encryption key key to be used for data encryption can be managed via " Certificate and Key Management " und
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