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davidruiz_sec

David Ruiz

@davidruiz_sec

Cybersecurity Analyst and Certified Penetration Tester

Mexico
English, Spanish
About me
I am an eJPTv2 Certified Penetration Tester specializing in infrastructure security, network auditing, and vulnerability assessments. My goal is to help small and medium businesses secure their systems before malicious actors exploit them. My expertise includes: - Network and Port Scanning (TCP/UDP analysis) - Vulnerability Assessments & CVE Mapping - SSL/TLS Configuration Audits & Hardening I use professional tools like Nmap and automated scanners combined with manual analysis to deliver clear, structured technical reports with actionable mitigation steps.... Read more

Skills

d
davidruiz_sec
David Ruiz
Offline • 
Average response time: 1 hour

See my services

Support & IT
I will do professional vulnerability assessment and port scanning
From$20 / projectMore details
Programming & Tech
I will perform a web application penetration test and owasp top 10 security audit
From$30 / projectMore details

Work experience

Self_Employed

Independent Cybersecurity Consultant / Freelance Pentester

Self Employed • Freelance

Jan 2026 - Jun 2026 • 5 mos

Conducting independent security audits, hands-on network penetration testing labs, and attack surface analysis using industry-standard methodologies. Setting up secure test environments and drafting technical vulnerability reports.