Using Column Level Encryption

---
title: Using Column Level Encryption
description: Use Column Level Encryption to manage access to encrypted data on your instances.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/platform-security/using-column-level-encryption-2.html
release: australia
topic_type: concept
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Column Level Encryption, Encryption]
---

# Using Column Level Encryption

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 Column Level Encryption](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/create-PE-cryptographic-module-2.md)**  
Create a Field Encryption cryptographic module to define the mechanisms used for cryptographic operations.
-   **[Encrypt data using the Multiple Modules feature](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/encrypt-data-using-multiple-modules-feature.md)**  
Encrypt data with more than one encryption module permitting the user to determine which keys are used for specific rows within the encrypted data.
-   **[Create a cryptographic specification for Column Level Encryption](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/create-crypto-spec-pe-2.md)**  
After you create a cryptographic module, access the corresponding cryptographic specification to define the algorithm.
-   **[Configure advanced algorithms for Column Level Encryption Enterprise](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/adv-algorithm-cleent-2.md)**  
Create a cryptographic specification to define the algorithm for a cryptographic module. Customize the encryption specifications with advanced options that are available for Column Level Encryption Enterprise.
-   **[Using customer supplied keys with Column Level Encryption Enterprise](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/csk-landing-2.md)**  
You can use your own customer-supplied key instead of using the ServiceNow® system-generated keys.
-   **[Encrypting fields and attachments](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/field-encryption-key-management.md)**  
Once cryptographic modules are created, a security admin can define the encrypted fields configuration \(EFC\) and opt to encrypt a field or attachment on a table.
-   **[Column Level Encryption Enterprise examples](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/kmf-walkthroughs-tutorials-2.md)**  
These examples walk you through the encryption of fields and attachments using customer-supplied keys.

**Parent Topic:**[Column Level Encryption](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/column-level-encryption-landing.md)

**Related topics**  


[Create cryptographic module for Column Level Encryption](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/create-PE-cryptographic-module-2.md)

[Create a cryptographic specification for Column Level Encryption](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/create-crypto-spec-pe-2.md)

[Configure advanced algorithms for Column Level Encryption Enterprise](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/adv-algorithm-cleent-2.md)

[Configure properties for customer-supplied keys](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/customer-supplied-keys.md)

[Encrypting fields and attachments](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/platform-security/field-encryption-key-management.md)