Ahmed Elessaway
DFIR, OSINT, threat intel, and hands-on practice.
Recent Reports/Writeups
Latest published work
The most recent public reports and technical writeups.
osint-investigationcybersecurity
One Facebook Message Exposed a $100M Crypto Fraud Network. Here’s How
OSINT investigation mapping a fake crypto exchange fraud network from one Facebook lure to DNS, backend, certificate, and WebSocket infrastructure.
privacydata-security
How a Phone Number Can Reveal Your Entire Identity (Real OSINT Cases)
Two real OSINT cases showing how small exposed data points can turn into full identity pivots.
digital-forensicsincident-response
EGCTF25 Digital Forensics Writeup
Digital forensics challenge analysis focused on host artifacts, evidence handling, and investigation flow.
Explore
Three clear entry points
Everything important stays behind the reports archive, the threat intel section, and the CTFs/practice area.
Reports/Writeups
Investigations, reports, and technical writeups
The main archive for investigations, walkthroughs, and practical security notes.
Threat Intel
Threat intel framework ready
The structure is ready for real dossiers without filling the homepage with placeholder intel.
CTFs/Practice
CTFs and analyst labs
Challenge pages stay simple, with one clear validation flow and repeatable practice structure.