404robbie
  • 👤 About
  • Web Apps
  • Mobile Apps
  • Security Notes
  • 📣 Talks & Workshops
Sign in Subscribe
APAC Osint

Exploring Chinese OSINT

Robert Leyba

26 Nov 2025 — 4 min read
Share
Exploring Chinese OSINT

This post is for subscribers only

Subscribe now

Already have an account? Sign in

Read more

What I Learned Speaking About Why Security Teams Struggle to Work Together

What I Learned Speaking About Why Security Teams Struggle to Work Together

Hey everyone! I am back today to share my adventure of speaking at different events and today I will be sharing my experience about discussing how different teams in the industry struggle to work together. Prep Let's be honest, I wasn't sure how to interpret a

By Robert Leyba 06 Aug 2026
What I learned teaching Machine Learning to University Students

What I learned teaching Machine Learning to University Students

So This year I have done two talks for Swinburne University Vietnam related to malware analysis. But this time we are trying to keep up with the times and use machine learning. In this blog I will speak about my experience prepping and presenting this workshop! The Prep Teaching machine

By Robert Leyba 05 Aug 2026
What I learned from Teaching Malware Analysis to University Students

What I learned from Teaching Malware Analysis to University Students

So recently, I had the honor of teaching Malware analysis at Swinburne University in Vietnam! For context, I am the Vice President of the ISC Vietnam Chapter and have been teaching in some capacity for roughly 10 years. I was quite excited to teach this subject because malware analysis is

By Robert Leyba 03 Aug 2026

Webverse DockerHive Walkthrough

Hey everyone! I am back with another walkthrough, and this time we are trying a new website called Web Verse! They have some fun labs, and I highly recommend you check them out. Here is my walkthrough of the DockerHive challenge!

By Robert Leyba 15 May 2026

404robbie

Research • Build • Teach

404robbie
  • Sign up
  • Github
Powered by Ghost