Practical guides on security, cost, performance, reliability, and operations across AWS, Azure, and GCP.
592 posts — page 13 of 33
Single-AZ VPC subnets expose every workload to a zone outage. Learn how to spread AWS subnets across multiple availability zones with CLI, Terraform, and CI gates.
Learn why unencrypted ElastiCache Redis replication groups are a risk, how to migrate to an encrypted group, and how to enforce encryption with IaC and policy as code.
A GCP firewall rule open on all ports from 0.0.0.0/0 exposes every service to the internet. Learn how to detect, fix, and prevent this misconfiguration.
Learn why an AWS Classic Load Balancer without an SSL listener is a security risk, plus step-by-step CLI, Terraform, and CI/CD fixes to enforce HTTPS.
Learn why Secrets Manager secrets on the default AWS-managed key are risky, and how to re-encrypt them with a customer-managed KMS key (CMK) plus CI guardrails.
Learn why an open Kibana port (5601) on GCP is a critical risk, how attackers exploit it, and how to lock it down with firewall rules, IAP, and policy as code.
An IAM policy granting iam:PassRole on all resources is a privilege escalation path. Learn how to detect, scope, and prevent unrestricted PassRole in AWS.
Learn why an exposed Docker daemon on GCP ports 2375/2376 means remote root, how attackers exploit it, and how to fix and prevent it with firewall and policy controls.
Empty AWS IAM groups hide forgotten privileges and clutter audits. Learn why they matter and how to fix and prevent them with CLI, console, and IaC steps.
Learn how to detect, fix, and prevent expiring SSL certificates on AWS API Gateway custom domains using ACM, CLI commands, Terraform, and CloudWatch alarms.
An Aurora cluster with one DB instance has no failover target. Learn why it's risky and how to add a reader in a second AZ with CLI, console, and Terraform.
Custom IAM role changes are a quiet privilege escalation path in GCP. Learn how to build a log-based metric and alert to catch role creation and updates.
Learn why DocumentDB clusters must export audit and profiler logs to CloudWatch, the risks of skipping it, and how to fix and automate it with CLI and Terraform.
Learn why Azure Storage accounts must enforce HTTPS-only connections, the risks of allowing HTTP, and how to fix and prevent this misconfiguration with CLI, Terraform, and Azure Policy.
Learn why an insecure Cloud SQL MySQL root account is a critical risk, plus step-by-step gcloud and Terraform fixes to lock it down and prevent recurrence.
Learn why Lambda environment variables need a customer managed KMS key, the risks of the default key, and step-by-step CLI and Terraform fixes.
Learn why mismatched Kubernetes versions across AKS node pools cause skew, blocked upgrades, and audit findings, plus step-by-step fixes and prevention.
Learn why missing alerts on GCP VPC firewall rule changes are a security risk, and how to fix it with log-based metrics, Cloud Monitoring, and Terraform.
