Hi All -  Check this blog post on how you can define and maintain a secure cloud platform for your workloads. Google Cloud provides many foundational security controls for you to build a layered defense architecture in cloud - this blog highlights few of these controls and an overview of using them for securing your infrastructure, data, applications, and AI models. 
https://www.googlecloudcommunity.com/gc/Community-Blog/Protecting-your-Google-Cloud-Workloads-Foundational-Controls-and/ba-p/890701