Zero Trust for Cloud Infrastructure
Cloud infrastructure has unique zero trust challenges: ephemeral resources, dynamic IPs, cross-account access, and shared responsibility models. Anubiz Engineering implements zero trust across your cloud environment — from IAM policies to network controls to workload identity — ensuring every resource interaction is authenticated, authorized, and audited.
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IAM Zero Trust Configuration
We configure cloud IAM with zero trust principles: no wildcard permissions, no inline policies, no long-lived access keys. Service roles use condition-based policies that restrict access by source IP, VPC endpoint, time, and requesting service. Cross-account access uses role assumption with external ID verification. All IAM changes go through Terraform with policy-as-code validation that rejects overly permissive configurations.
Workload Identity Federation
Kubernetes pods, CI/CD pipelines, and serverless functions authenticate to cloud services using workload identity federation — not static credentials. We configure OIDC federation between your Kubernetes cluster and cloud IAM, GitHub Actions OIDC for CI/CD, and service account impersonation chains with limited scope. No access keys stored in environment variables, no secrets in CI/CD configuration.
Network Security Architecture
We implement defense-in-depth networking: private subnets for all workloads, VPC endpoints for cloud service access (no internet transit), security groups with least-privilege rules, and AWS PrivateLink or GCP Private Service Connect for cross-service communication. Public endpoints are limited to load balancers with WAF protection. All network flow logs are captured and analyzed for anomalous patterns.
Resource-Level Policies
Beyond IAM, we configure resource-level policies on S3 buckets, KMS keys, SQS queues, and databases. Bucket policies deny access from non-VPC-endpoint sources. KMS key policies restrict encryption and decryption to specific roles. Database security groups allow connections only from application subnets. Every resource has an explicit access policy — nothing relies on ambient permissions or default configurations.
Why Anubiz Engineering
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