How does Snowflake handle data encryption both at rest and in transit?

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How does Snowflake handle data encryption both at rest and in transit?

Alejandro Penzini Answered question September 6, 2023

Here’s how Snowflake typically handles data encryption:

Encryption at Rest:

a. Automatic Encryption: Snowflake automatically encrypts customer data at rest using strong encryption algorithms. This encryption is applied to all data stored in Snowflake, including databases, tables, and metadata.

b. Key Management: Snowflake manages encryption keys on behalf of customers. It uses a hierarchical key management infrastructure to ensure data security. Master keys are managed by Snowflake, while data keys are generated and rotated automatically for each micro-partition of data.

c. Customer-Managed Keys: For added security and control, Snowflake also supports customer-managed keys (CMKs). Customers can bring their own encryption keys to encrypt and decrypt data in Snowflake. This option is especially useful for organizations with specific compliance requirements.

Encryption in Transit:

a. SSL/TLS: Snowflake uses industry-standard SSL/TLS (Secure Sockets Layer/Transport Layer Security) protocols to encrypt data transmitted between clients and the Snowflake service. This ensures that data in transit is protected from eavesdropping and interception.

b. Network Security: Snowflake operates in cloud environments that offer network security features, and it leverages these features to protect data during transmission. This includes using virtual private clouds (VPCs) or similar network isolation mechanisms.

Data Sharing: Snowflake has a feature called Snowflake Data Sharing, which allows organizations to securely share data with other Snowflake accounts. Data shared through Snowflake Data Sharing is also subject to encryption both at rest and in transit, ensuring that data remains protected throughout the sharing process.

Compliance and Certifications: Snowflake complies with various industry standards and certifications, including SOC 2 Type II, HIPAA, and FedRAMP, which attest to its commitment to security and data protection.

Audit and Monitoring: Snowflake provides robust auditing and monitoring capabilities, allowing customers to track and analyze access to their data. This helps organizations detect and respond to security incidents.

Multi-Factor Authentication (MFA): Snowflake supports multi-factor authentication to enhance user access security.

It’s important to note that Snowflake’s security features and practices are designed to help organizations meet their data security and compliance requirements.

Alejandro Penzini Answered question September 6, 2023
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