Intelligent CISO Issue 04 | Page 77

decrypting myths Multi-cloud security checklist: Eight things CISOs need to remember As more and more organisations adopt a multi-cloud environment, the breadth and depth of the attack surface has expanded rapidly, increasing the complexity of security management. Here, John Madisson, Senior Vice President – Products and Solutions at Fortinet, outlines eight security issues that CISOs should consider when implementing a multi-cloud strategy. enterprise using as many as 91 different cloud applications. The agility conferred by being able to immediately add and/or drop services to a cloud portfolio, or dynamically scale to meet shifting resource demands, are some of the key reasons why enterprises have turned to cloud computing in a big way. These same issues, however, have complicated the creation and maintenance of a consistent security strategy. John Madisson, Senior Vice President – Products and Solutions at Fortinet Recent market research indicates 95% of all organisations use some form of cloud-based computing resource. While Infrastructure-as-a-Service (IaaS) and Platform-as-a-Service (PaaS) clou d vendors are responsible for securing their cloud infrastructures, customers are responsible for protecting the applications, websites, environments and services they run on those cloud environments. Furthermore, 85% of these enterprises have a hybrid cloud infrastructure that leverages multiple private and public cloud resources, with the average Things are a bit different for Software- as-a-Service (SaaS) and Applications- as-a-Service (AaaS) offerings, where the service provider retains the primary 1. Multi-cloud computing is the new normal www.intelligentciso.com | Issue 04 2. Cloud security is often an ambiguously shared responsibility 77