AWS Security Best Practices 2026 — Complete SaaS Guide | ClauseOps

Q: What's the most important AWS security setting?

MFA on the root account and blocking S3 public access at the account level. These two settings prevent the most common and most damaging AWS security incidents.

Q: How often should I review AWS IAM permissions?

Quarterly at minimum. Use IAM Access Analyzer to identify unused permissions and IAM credential reports to find stale access keys.

Q: Do AWS Config Rules replace contract compliance monitoring?

No. AWS Config Rules check against generic best practices. Contract compliance monitoring checks against the specific obligations in your enterprise agreements, which vary by customer.

ClauseOps

AWS Security Best Practices: The 2026 Guide for SaaS Teams

AWS gives you the building blocks for a secure infrastructure, but it's your responsibility to assemble them correctly. This guide covers the security best practices that every SaaS team running on AWS should implement — organized by priority. Identity and Access Management is where most AWS…