Video
How x86 Jumps REALLY Work: EFLAGS Truth with GDB + pwndbg
All x86 conditional jumps (ja, jb, je, etc.) are triggered by EFLAGS — not by syntax or code order. Hands-on with GDB and pwndbg to see exactly which flag fires each branch.
[ SECURITYLAB_—_VIDEOS ]
Long-form video on kernel debugging (GDB / QEMU / Yocto), eBPF, bootloaders, assembly, memory models, and runtime internals.
Other track:
AI Operator — Videos →
Video
How to Build a Bootloader from Scratch — Just Assembly, No OS
Hand-written Stage-1 bootloader in raw x86 assembly. No GRUB, no operating system, no standard library. Boots directly from BIOS.
Video
HarrisonSec Lab Tour | A Journey Through Computing Evolution
Join me on a tour of my security lab, where I explore the evolution of operating systems from FreeDOS to modern AI-driven security research.
Video
Complete Secure Company Network Design
A comprehensive 3-hour demonstration of how to design and implement a secure enterprise network with multiple security zones, VLANs, and proper firewall configuration
Video
Buffer Overflow Attack Explained
This is one of the clearest demonstrations of a buffer overflow attack I've seen, where Dr. Mike Pound not only explains the theory but shows the complete attack process, invaluable for security learners