About Me | Security Down!

About Me

Ebrahim is a Senior Security Engineer with over 8 years of experience in Information Security that varies from extensive experience in Web Applications Penetration Testing with a great worldwide achievements, and good experience in Network Security, Systems Engineering, Threat Intelligence, Malware behavior analysis, DNS and other Logs Analysis, Cryptography and Developing Security related applications. Also he has been a speaker at multiple international conferences & Instructor for different Penetration testing courses.

Acknowledged and rewarded by Google, Microsoft, Twitter, Yahoo, Facebook, Kaspersky, Avira, Yandex, Paypal, Ebay, AT&T, Barracuda and Telekom.com & More. Also Ranked as #1 Security researcher for Yahoo Several times for finding over 50 Vulnerability in Yahoo!.

# Worked on many security projects including but not limited to:
1- Penetration testing for one of the top AntiVirus companies (German based) – refs upon request.
2- Number one mobile operator in Egypt – refs upon request.
3- The Largest organization in Qatar, Youm7.com, Qatari GCC Criminal Information Center, Top ISP in Egypt, other well known vendors and more. – refs upon request.
4- Building a threat Intelligence platform in my current company that monitors both external and internal resources & notify about risks proactively.

#Founder of WebPwn3r – Web Applications Security Scanner.
#Founder of LogsWitch: Web Servers Logs analysis and IDS Tool.
#Founder of CncWall: A Passive DNS query tool for Malicious domains and IP’s.
And others.

I also got acknowledged and rewarded by many high-profile vendors, such as Google, Microsoft, Adobe, KasperskyTwitterYahoo, Ebay, Yandex, Telekom, Barracuda, Avira and more.


Listed in Top of the Top 10 Yahoo! Security researchers Hall of Fame.


My Vulnerability Affected Google Payment Portal checkout.google.com

News Posted about the Yahoo! Remote Command Execution Vulnerability.

ZDnet: Remote code execution bug in Yahoo servers leads to root access


BitDefender:  Yahoo Remote Code Execution Vulnerability Found via Privilege Escalation


TheHackerNews: Yahoo fixes Critical Remote Command Execution vulnerability

Softpedia: Expert Finds Remote Code Execution Vulnerability in Yahoo Server – Video

SecurityAffairs: Discovered a Remote Command Execution Vulnerability in Yahoo!