Ensuring the security of cloud-stored data hinges on implementing multiple key measures. These include encryption, both at rest and in transit, to protect sensitive information from unauthorized access. Regular vulnerability assessments and security audits can help identify potential threats, while employing robust access controls ensures that only authorized personnel have data access. Additionally, using a reliable backup strategy helps prevent data loss. Employing security best practices such as multi-factor authentication and maintaining compliance with regulations further enhances protection. These combined efforts fortify the overall security posture of cloud-stored data.