Astute CIOs are actively migrating to public cloud to take advantage of scalability, flexibility and inherent security at a lower cost. New-to-cloud companies often use existing on-premise security tools and processes and apply them in the cloud, but this can present drawbacks. Products must be re-engineered to address the lack of a. lack of. access to. the lack. of access to physical. switch infrastructure, auto-scaling of resources, and license/compute models such as PaaS and SaaS.”]
Source: https://www.darkreading.com/cloud/climbing-the-security-maturity-ladder-in-cloud