My name is Andre Marcos Isidoro, also known as DaddyWhale on Hackthebox. I started this blog in 2025 to share my journey into cybersecurity and other topis like software engineering.

As of April 2025, I am officially certified as a Certified Penetration Testing Specialist (CPTS) by HackTheBox.

Socials

I’m not really on social media, but you can find me on these platforms:

• HackTheBox
• GitHub
• LinkedIn

I no longer use Medium, but here is my old profile:

• Medium