AWS Architecture Blog
Author: Roshan Daneshvaran
Roshan is the CISO and Head of Platform at ReadyOn, where he oversees cybersecurity, platform, and enterprise architecture functions. He designed the Four Walls security model and oversees ReadyOn’s SOC 2, NIST, and GDPR compliance programs. Roshan brings deep expertise in Kubernetes security, zero-trust architecture, and building multi-tenant platforms that meet the security requirements of Fortune 100 enterprises.
ReadyOn’s Four Walls of tenant isolation on Amazon EKS
ReadyOn runs a multi-tenant platform on Amazon EKS that handles highly sensitive enterprise data. This post describes their Four Walls model: four independent layers of tenant isolation combining Kubernetes namespaces, Karpenter node pools, Amazon VPC security groups, and per-tenant Amazon Aurora databases for zero-trust defense in depth.