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Muhammad Abdullahi
Muhammad Abdullahi

Muhammad Abdullahi, OSCP+, is an ethical hacker and security engineer. He enjoys breaking into systems (legally) and teaching others to do the same, which is why he founded Guardyk. For any inquiries, feel free to reach out.

13 Tutorials
15.3k Views
Published Tutorials
13 tutorials
How to Crack Locked PDFs
Ethical Hacking
2.5k
How to Crack Locked PDFs
Learn how to crack password‑protected PDFs using pdfcrack. This concise guide covers PDF encryption basics, how pdfcrack approaches password cracking and choosing wordlists.
How to Hide Data in Plain Sight: Steganography Using Steghide
Digital Forensics
1.9k
How to Hide Data in Plain Sight: Steganography Using Steghide
Learn to hide and retrieve data inside images and other files using steghide. This concise guide covers embedding/extraction, passphrase use, and safe, legal applications.
How to Perform a Wi-Fi Deauthentication Attack
Ethical Hacking Network Hacking & Security
2.4k
How to Perform a Wi-Fi Deauthentication Attack
Learn how Wi-Fi deauthentication attacks work and how targets can be forcibly disconnected from a network. This tutorial explains the concept and demonstrates the process in a controlled environment.
How to Recover Deleted Files Using Foremost
Digital Forensics
1.2k
How to Recover Deleted Files Using Foremost
Learn how to recover deleted files using Foremost, a powerful forensic tool for file carving. This guide walks you through scanning storage devices for lost data and restoring deleted images, documents, and archives with ease.
Showing 10–13 of 13
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