[ Videos ]
Security Research & Technical Demonstrations
x86 Conditional Jumps and EFLAGS: GDB Debugging Deep Dive
Hands-on reverse engineering demo showing how x86 conditional jumps really work. Single-step through assembly with GDB + pwndbg to understand EFLAGS manipulation and control flow analysis.
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Hand-Written Stage-1 Bootloader: Raw x86 Assembly from Scratch
Deep dive into building a custom bootloader in pure x86 assembly. No GRUB, no OS - just raw BIOS calls, MBR parsing, and INT 13h disk operations from 0x7C00.
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Network Forensics Part 2: DNS Attacks and Tor Analysis
Professor Talia Q explores advanced network forensics including DNS spoofing attacks, TCP sequence analysis, Tor onion routing, and the challenges of investigating anonymized communications.
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Network Forensics Part 1: Foundational Techniques
Part 1 of Professor Talia Q's timeless lecture series laying the foundation of network forensics, including TCP/IP analysis, Telnet exploration, log-based evidence gathering, and the philosophy behind digital investigations. This classic directly informs design choices in HarrisonSec's Secured VLAN architecture.
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StegoSafe: Hiding Secrets in Images with Encryption and Secret Sharing
A quick demo of StegoSafe's web version, showing how to encrypt, split, and hide secrets inside images using advanced steganography.
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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
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HarrisonSec Lab Tour: Behind the Scenes of Our Security Research
An exclusive tour of HarrisonSec's security lab, showcasing our testing environment, hardware, and the methodology behind our Secured VLAN and other projects.
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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
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