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Cloud Security refers to the strategies, technologies and practices used to protect data stored in the cloud. Implementing cloud security best practices — like multi-factor authentication (MFA), encryption, regular security assessments and continuous monitoring for vulnerabilities — is essential to a strong, resilient and secure cloud infrastructure.

Choosing a cloud service provider with solid security hygiene, robust compliance controls and well-documented incident response procedures is essential to maintaining an effective cloud infrastructure. However, clients must also take active steps to mitigate risks that extend beyond the scope of their providers’ responsibilities. This includes deploying cloud security solutions like Identity and Access Management, SIEM, and key management systems to monitor configurations, enforce least-privilege access and enable continuous monitoring of the cloud for threats.

Rapid cloud adoption continues to expand the attack surface, with misconfigurations and excessive permissions introducing high-risk blind spots. Combined with the complexity of multi-cloud architectures, this creates a need for unified cloud security solutions that reduce blind spots and provide consistent protection. Additionally, clients should consider using virtual private clouds, network security groups and subnets to segment resources and apply more granular control for specific applications. These will help limit the scope of potential exposure and mitigate threats that could result in data loss or business interruptions. Keeping backups of data stored in the cloud is also important, as an unexpected disaster such as a power outage at a third-party storage facility could have lasting effects on data integrity and availability.