In this article I explain step by step how to create an email address with custom domain. I also go through detailed explanation over how to properly configure it in a secure way.
A story about how I accidently made the Microsoft Copilot execute OS level commands (limited to sandbox)
The story about typosquatting and Mullvad
Explaination about how JENKINS-72611 can be exploited allowing duplication of credentials with same ID. Also explaining how to crash user browsers while visualizing credentials on Jenkins,