devopstopher | AWS DevOps Engineer Portfolio

September 29, 2025 Reading time: 4 min

Database User Management Automation

Automated database user management system that handles user permissions across multiple RDS Aurora clusters and AWS accounts using Lambda functions, EventBridge, and MySQL automation. Managing database user permissions manually across…

A bad actor, behind a black brick wall of different services to protect against misuse

September 26, 2025 Reading time: 9 min

Defending Against SMS Pumping Attacks in AWS

A deep dive into the evolution of SMS pumping attacks targeting free trial applications and the multi-layered defence strategies we implemented using AWS Cognito, Lambda triggers, WAF, and End User…

AWS AWS CloudFormation AWS Cognito AWS Lambda Blog Python