🔒 Secure EC2 ↔ RDS Access Across AWS Accounts Using VPC Peering

Apr 24, 2025 · 5 min read · Ever faced the challenge of needing to access a private RDS database in one AWS account from an EC2 instance in another — all without exposing either to the public internet? Welcome to the world of VPC Peering — one of AWS's cleanest and most cost-ef...