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Eric L
@e1abrador
Vetted Pro
Level 2
Offensive Security Engineer
Spain
Spanish, Catalan, English
Vetted by Fiverr Pro
Eric L was selected by the Fiverr Pro team for their expertise.
Vetted for
Cybersecurity
About me
e1abrador.com
Offensive Security Engineer with 6+ years in offensive security. I lead full-scope Red/Purple Team operations across financial, enterprise, and critical infrastructure environments, simulating the complete kill chain: OSINT, phishing, physical intrusion, and Active Directory compromise. Deep expertise in web, API, mobile, and LLM security testing. Creator of Burp Suite extensions on the BApp Store and open-source recon tools. Published research on XSS via DNS records and Unicode-based WAF bypasses. Speaker at DEF CON and Bug Hunter's Methodology Live.
Skills
Eric L
Offline •
Average response time: 1 hour
See my services
Cybersecurity
I will pentest your web application and fix security vulnerabilities
Cybersecurity
I will pentest and secure your source code
Portfolio
Work experience
Offensive Security Engineer
Telefónica Tech • Full-time
Sep 2026 - Present • 2 mos
- Red Team exercises - SWIFT Network Pentesting - Code analysis (NodeJS, PHP, C#, C++, Java, etc) - Azure, AWS and GCP pentesting - AI pentesting (LLMs) - Thick client pentesting - Purple Team exercises - Web audits - API audits - Audits of Android and iOS applications - External penetration testing - Internal penetration testing - Physical intrusion in buildings - Phishing campaigns - OT (ICS) pentesting - Endpoint security assessments - Kubernetes clusters pentesting - I + D + i
Senior Red Team Operator
Accenture • Full-time
Feb 2022 - Sep 2026 • 4 yrs 7 mos
- Red Team exercises - Code analysis (NodeJS, PHP, C#, C++, Java, etc) - Azure, AWS and GCP pentesting - AI pentesting (LLMs) - Thick client pentesting - Purple Team exercises - Web audits - API audits - Audits of Android and iOS applications - External penetration testing - Internal penetration testing - Physical intrusion in buildings - Phishing campaigns - OT (ICS) pentesting - Endpoint security assessments - Kubernetes clusters pentesting - I + D + i
Penetration Tester
Capgemini • Full-time
Nov 2021 - Feb 2022 • 3 mos
13 Reviews
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 13 Reviews
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larsk1
Germany
Ongoing collaboration
Eric was really nice at communicating. He clearly explained, what was needed to perform the security test. During the operation, he regularly informed us about his progress and urgent required fixes (none for us 😂). The report was very informative and clearly stated the found issues. He only missed...
Helpful?
kobo4242
United States
Excellent work done by the seller. His work is very thorough and detailed. We will definitely be using him for our security testing from here on out
Helpful?
soelpineda
United States
Helpful?
didi756
United Kingdom
Ongoing collaboration
Helpful?
volkspark
Germany
Helpful?
