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sourceDocument: Yokohama Platform security
sourceDocumentLink: https://www.servicenow.com/docs/r/yokohama/platform-security

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ft:locale :

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ft:publication_title :

    - Yokohama Platform security

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---

# Using Field Encryption

# Using Field Encryption {#ariaid-title1}

* Release version: Yokohama
* 
* Updated January 30, 2025
* 
* ![](https://www.servicenow.com/docs/portal-asset/ico-clock) 1 minute to read

Use Column Level Encryption to manage access to encrypted data on your instances.
Use the related links to find information on common Field Encryption tasks.
* **[Create cryptographic module for Field Encryption](https://www.servicenow.com/docs/iWpnIVjpLCG5kUySh2KHfg)**   
  Create a Column Level Encryption cryptographic module to define the mechanisms used for cryptographic operations.
* **[Using multiple encryption modules](https://www.servicenow.com/docs/D2F3u_zmgx5WaJa~UROvHQ)**   
  Multiple encryption modules enable data to be encrypted with more than one encryption module. If each module has its own access policy based on a role, for example, users with different roles can encrypt data on the same table but they can still be prevented from viewing each others encrypted data.
* **[Create a cryptographic specification for Field Encryption](https://www.servicenow.com/docs/ytm86KGjTh_cW7G58scwiw)**   
  After you create a cryptographic module, access the corresponding cryptographic specification to define the algorithm.
* **[Configure advanced algorithms for Field Encryption Enterprise](https://www.servicenow.com/docs/y~P_ebvBZ6y33AtzjGqI1A)**   
  Create a cryptographic specification to define the algorithm for a cryptographic module. Customize the encryption specifications with advanced options that are available for Field Encryption Enterprise.
* **[Using customer supplied keys with Field Encryption Enterprise](https://www.servicenow.com/docs/n6UQBMpPdsybKllas92Sww)**   
  You can use your own customer-supplied key instead of using the ServiceNow® system-generated keys.
* **[Encrypting fields and attachments](https://www.servicenow.com/docs/EUCRZuHqR0Pa2dddlXOfqw)**   
  After you create your cryptographic modules, create encrypted field configurations and specify whether to encrypt a field on a table or encrypt attachments.
* **[Field Encryption Enterprise examples](https://www.servicenow.com/docs/20fnJQLHJFn93Dp2Y6EKYQ#kmf-walkthroughs-tutorials)**   
  These examples walk you through the encryption of fields and attachments using customer-supplied keys.

**Related concepts**   

* [Configure properties for customer-supplied keys](https://www.servicenow.com/docs/Lef5MyrmLteZNbtAeXuC6Q "If the Column Level Encryption Enterprise plugin is enabled, you can use system properties to define key padding, ephemeral key pair size, and a key validity period of your customer-supplied keys.")
* [Encrypting fields and attachments](https://www.servicenow.com/docs/EUCRZuHqR0Pa2dddlXOfqw "After you create your cryptographic modules, create encrypted field configurations and specify whether to encrypt a field on a table or encrypt attachments.")
* [Field Encryption Enterprise examples](https://www.servicenow.com/docs/20fnJQLHJFn93Dp2Y6EKYQ#kmf-walkthroughs-tutorials "These examples walk you through the encryption of fields and attachments using customer-supplied keys.")  
**Related tasks**   

* [Create cryptographic module for Field Encryption](https://www.servicenow.com/docs/iWpnIVjpLCG5kUySh2KHfg "Create a Column Level Encryption cryptographic module to define the mechanisms used for cryptographic operations.")
* [Using multiple encryption modules](https://www.servicenow.com/docs/D2F3u_zmgx5WaJa~UROvHQ "Multiple encryption modules enable data to be encrypted with more than one encryption module. If each module has its own access policy based on a role, for example, users with different roles can encrypt data on the same table but they can still be prevented from viewing each others encrypted data.")
* [Create a cryptographic specification for Field Encryption](https://www.servicenow.com/docs/ytm86KGjTh_cW7G58scwiw "After you create a cryptographic module, access the corresponding cryptographic specification to define the algorithm.")
* [Configure advanced algorithms for Field Encryption Enterprise](https://www.servicenow.com/docs/y~P_ebvBZ6y33AtzjGqI1A "Create a cryptographic specification to define the algorithm for a cryptographic module. Customize the encryption specifications with advanced options that are available for Field Encryption Enterprise.")