For database security during large-scale migrations: 1. Assess and establish a baseline: Identify vulnerabilities and set security standards. 2. Control access: Implement RBAC, least privilege, and strong password policies. 3. Encrypt data: Protect sensitive data both at rest and in transit. 4. Secure the network: Use firewalls, IDS, and secure protocols. 5. Back up and recover: Create regular backups and test recovery procedures. 6. Manage patches and vulnerabilities: Keep software updated and scan for vulnerabilities. 7. Monitor and log activity: Track database activity and set up alerts. 8. Train staff: Educate users on security best practices. 9. Plan and test for security: Include security in your migration plan and conduct testing.

During a large-scale database migration, data security must be a central focus to prevent breaches and data loss. It’s essential to begin with a thorough assessment of the data landscape, identifying sensitive information and ensuring compliance with relevant regulations like GDPR or HIPAA.

- Assessment and Planning: Identify potential security risks associated with the migration. - Limit access to the data migration team and ensure only authorized personnel can access sensitive data. - Create full backups before starting the migration to prevent data loss. - Use trusted and secure tools for the migration process. Ensure they comply with security standards. - After migration, verify that data integrity and security have been maintained. - Ensure the migration process complies with relevant regulations (like GDPR, HIPAA) related to data protection.

10. Segmente sua rede: Utilize segmentação de rede para isolar os bancos de dados críticos e limitar o acesso apenas aos usuários e sistemas autorizados.

Focus on data encryption. Encrypt data both at rest and in transit using robust encryption protocols to protect sensitive information from unauthorized access. This includes encrypting files before migration and using secure transfer methods like SFTP or HTTPS to safeguard data while moving between environments. Implement end-to-end encryption, ensuring that only authorized parties can access the unencrypted data. Regularly update encryption keys and monitor their usage to prevent potential breaches. By prioritizing data encryption, you can significantly reduce the risk of data exposure and maintain the integrity and confidentiality of sensitive information throughout the migration process.