Cloud-Native Security for DevSecOps
Zero Trust, Kubernetes Hardening, IaC Security, and Compliance Automation
Cloud-native security fails at the intersection of velocity and complexity. Engineers ship IAM policies with wildcard permissions because tightening them breaks things. Kubernetes clusters run containers as root because the base image required it. Terraform modules get copy-pasted from Stack Overflow into production. This volume is about making the secure path the easy path.
The Kubernetes hardening chapter is the most detailed publicly available treatment of the subject: Pod Security Standards (Restricted profile), OPA Gatekeeper policy library (30+ policies included), Falco runtime rules for detecting container escape attempts, network policy configuration for microsegmentation, and the complete Kubernetes CIS Benchmark remediation guide mapped to your specific workload types.
The IaC Security chapter covers Terraform, Pulumi, and CDK — static analysis with Checkov and tfsec, policy-as-code with Sentinel and OPA, the drift detection problem and how GitOps solves it (and creates new problems). Includes the complete Terraform Security Module Library: pre-built, policy-validated modules for AWS, GCP, and Azure that teams can adopt without writing security configs from scratch.
Compliance automation gets a rigorous treatment: continuous compliance pipelines for SOC 2 Type II, FedRAMP Moderate, PCI-DSS v4, and ISO 27001 using OpenSCAP, AWS Security Hub, and custom control validation scripts. The chapter on evidence collection automation will eliminate 60-80% of your audit prep work.
Four concrete capabilities you will have
Harden a production Kubernetes cluster to CIS Benchmark Level 2 with OPA Gatekeeper policies and Falco runtime detection
Implement Zero Trust networking with service mesh mTLS (Istio/Linkerd), workload identity (SPIFFE/SPIRE), and BeyondCorp-style access proxy
Build a continuous compliance pipeline that generates SOC 2 evidence artifacts automatically on every deployment
Detect cloud misconfigurations before deployment with Checkov + tfsec pre-commit hooks and Sentinel policies in CI
The idea behind Volume III
4 parts · 21 chapters
Part I — Zero Trust Architecture
Zero Trust principles applied to cloud-native systems: workload identity with SPIFFE/SPIRE, mutual TLS with Istio and Linkerd, BeyondCorp access proxy for internal tools, and the JIT (Just-in-Time) access model for cloud consoles. Covers the NIST SP 800-207 implementation checklist.
Part II — Kubernetes Security Engineering
Container image hardening (distroless, scratch, and minimal base images), Pod Security Standards (Restricted profile) with migration path from PSP, OPA Gatekeeper policy library (30 production-ready policies), Falco rule authoring for runtime threat detection, and the Kubernetes network policy reference architecture.
Part III — Infrastructure as Code Security
Terraform security scanning with Checkov and tfsec, policy-as-code with HashiCorp Sentinel and OPA, the Terraform Security Module Library for AWS/GCP/Azure, secrets management in IaC (Vault, AWS Secrets Manager, SOPS), and drift detection with Atlantis and Spacelift.
Part IV — Compliance Automation
Continuous compliance pipeline architecture for SOC 2, FedRAMP, PCI-DSS v4, and ISO 27001. Control mapping automation, evidence collection scripts, OpenSCAP integration, and the Compliance-as-Code pattern with Open Policy Agent. Includes the 90-day SOC 2 readiness sprint plan.
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