Mohammed Assad

Cybersecurity Researcher • CTF Player • Operations Head — Triada

About
Cybersecurity practitioner specializing in Steganography, Cryptography, and CTF challenge design. Experienced in crafting multi-stage puzzle flows and building high-quality challenges for competitive environments.
Interested in Android recon, APK reversing, patching, and analysis, having solved multiple reversing and mobile-security challenges using detailed public writeups and research notes.
Achievements
Ranked Top 5% in National & Global CTFs
Consistent performance across multiple high-tier competitions and cybersecurity events.
Co-Built CTF Challenges for Triada Labs
Worked collaboratively with the team to design and integrate multi-stage challenges across Steg, Crypto and OSINT.
Built Wi-Fi Deauthentication Device
Developed an ESP-based deauth device capable of scanning available networks and force-disconnecting a target when a specific SSID is selected for testing.
Published CRIPSTEGZ — PyPI
Toolkit supporting LSB steganography, crypto encoding/decoding, and automated hash identification.
Experience
Cybersecurity Research & CTF Operations Head
Led research and coordinated challenge operations for university events and specialized practice environments.
NULL Bangalore Community Member
Actively participates in NULL meetups, community discussions, and collaborative knowledge-sharing sessions.
Cybersecurity Conferences & Community Events
Attended SEASIDE, VULCON, and BSIDES Bangalore to explore advanced research, talks, and hands-on workshops.
Active Participant & CTF Challenge Designer
Regularly competes in CTFs and designs multi-category challenges for competitions and practice labs.
Android Recon & APK Reversing
Solved APK reversing challenges using Apktool, Jadx, and Ghidra supported by detailed research workflows.
IoT Device Security & Development
Created a custom IoT-based Wi-Fi deauthentication device using ESP modules for authorized testing and research.
Hands-On Cybersecurity Training
Trained students during university sessions, helping them practice real-world CTF, reversing, and security fundamentals.
Cybersecurity Tool Development
Designed and developed tools in cryptography and steganography to support analysis, automation, and CTF workflows.
Projects
CRIPSTEGZ — Cryptography & Steganography Toolkit
Supports encryption and decryption for fundamental cryptography workflows, AES encryption/decryption inside images, and automated hash-type identification for analysis.
Wi-Fi Deauthentication IoT Device
An ESP-based device that scans nearby networks and force-disconnects selected targets during authorized Wi-Fi security testing and research.
Stegada — Steganography Toolkit (In Progress)
A modular toolkit designed to detect, extract, and analyze hidden data across images, metadata layers, and multi-format stego techniques.
Triada Labs — CTF Platform Development
Contributed to building structured multi-stage CTF challenges with the team, integrating categories such as Crypto, Steg, OSINT, Reversing, and Web into a unified competitive platform.
SKILLS
Domains
Steganography
Cryptography
Reverse Engineering
Binary Exploitation
Forensics
Web Exploitation
OSINT
Malware Development
Tools
Ghidra
Steghide
Burp Suite
Exiftool
Nmap
Wireshark
Hashcat
Stegseek
Certifications
Contact