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How to prevent security risks in the process of sharing sensitive data (from the perspective of sensitive data security protection)?

Created on 2025-07-07 16:48:46
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To prevent security risks when sharing sensitive data, implement the following measures from a sensitive data protection perspective:

  1. Data Encryption: Encrypt data both at rest and in transit using strong encryption algorithms (e.g., AES-256). For example, before sharing files, encrypt them with a secure key and share the decryption key separately via a trusted channel. Tencent Cloud provides KMS (Key Management Service) to manage encryption keys securely.

  2. Access Control: Restrict access to sensitive data using role-based access control (RBAC). Only authorized users or systems should have access. For instance, in a cloud environment, use Tencent Cloud CAM (Cloud Access Management) to define granular permissions.

  3. Data Masking & Tokenization: Replace sensitive data with masked or tokenized values when sharing for non-production purposes. For example, display only the last four digits of a credit card number in logs. Tencent Cloud Data Masking Service helps anonymize sensitive information.

  4. Secure Transmission Protocols: Use secure communication protocols like HTTPS, SFTP, or VPNs to prevent interception during data transfer. Tencent Cloud SSL Certificates ensure encrypted connections for web services.

  5. Audit Logging & Monitoring: Track data access and sharing activities with detailed logs. Detect anomalies using monitoring tools. Tencent Cloud CloudAudit logs all API calls and user actions for security analysis.

  6. Data Loss Prevention (DLP): Deploy DLP solutions to scan and block unauthorized data transfers. For example, prevent employees from emailing sensitive files externally. Tencent Cloud DLP identifies and protects sensitive data across platforms.

  7. Regular Security Assessments: Conduct vulnerability scans and penetration testing to identify weaknesses in data-sharing processes. Tencent Cloud Security Center offers automated threat detection and compliance checks.

  8. Employee Training: Educate staff on secure data-handling practices, such as recognizing phishing attempts and avoiding unsecured channels.

By combining these measures, organizations can significantly reduce risks when sharing sensitive data. Tencent Cloud’s suite of security services provides robust tools to support these practices.