Source URL: https://cloudsecurityalliance.org/blog/2025/03/10/implementing-ccm-cryptography-encryption-and-key-management
Source: CSA
Title: Cryptography, Encryption, & Key Management for Cloud
Feedly Summary:
AI Summary and Description: Yes
Summary: The text discusses the Cloud Controls Matrix (CCM), a comprehensive framework that provides essential controls for cloud computing security, specifically focusing on the Cryptography, Encryption, and Key Management (CEK) domain. The CEK domain includes specific control specifications aimed to enhance data security and compliance within cloud environments. The findings emphasize the shared responsibilities between Cloud Service Providers (CSPs) and Cloud Service Customers (CSCs) in managing encryption and key management workflows.
Detailed Description:
– **Cloud Controls Matrix (CCM)**:
– Developed by the Cloud Security Alliance (CSA) to establish cloud security best practices.
– Provides a systematic approach for assessing and implementing security in cloud technology.
– **Use Cases for CCM**:
– **For Cloud Service Customers (CSCs)**:
– Assess the security posture of cloud vendors.
– Compare compliance levels with standards like ISO 27001.
– Clarify responsibilities concerning security roles with Cloud Service Providers (CSPs).
– **For Cloud Service Providers (CSPs)**:
– Establish a globally accepted cloud security program.
– Document compliance with multiple industry standards.
– **Focus on Cryptography, Encryption, and Key Management (CEK)**:
– Contains 21 control specifications focused on securing customer data through encryption and effective key management.
– Organized into three categories:
– **Data Encryption**: Controls concerning encryption techniques and algorithms.
– **Policy and Governance**: Encompassing roles, responsibilities, change management, and auditing.
– **Key Lifecycle Management**: Managing key generation, rotation, revocation, and destruction securely.
– **Shared Security Responsibility Model (SSRM)**:
– CSPs are tasked with the cloud infrastructure’s security aspects, which include aligning cryptographic practices with industry standards.
– CSCs are responsible for managing their sensitive data encryption before uploading to the cloud environment.
– **Case Study: Healthcare Analytics Startup**:
– Highlights potential risks when using a single encryption key for multiple databases and inadequate data isolation practices that may not satisfy HIPAA compliance.
– Recommendations include implementing customer-managed keys, more frequent key rotations, role-based access controls, and continuous monitoring.
– **Conclusion**:
– Emphasizes that cloud security is a continuous process that requires a balanced approach to manage control, convenience, cost, and compliance effectively.
– Encourages engaging with CCM resources to enhance encryption and key management strategies.
This text is particularly relevant for professionals in the fields of cloud security as it not only outlines security best practices but also highlights the importance of shared responsibilities, compliance, and effective risk management protocols essential for protecting sensitive data in cloud environments.