Security measures in cloud storage solutions are critical for protecting sensitive data. These measures include data encryption, both at rest and in transit, to prevent unauthorized access. Multi-factor authentication adds an additional layer of security by requiring multiple forms of verification for users. Regular security audits and compliance with regulations, such as GDPR, ensure that providers meet necessary standards. Furthermore, data redundancy and backup solutions help safeguard against data loss. Together, these security protocols enhance the confidence of users in cloud storage reliability and integrity.