Yeray 'JBKira' Medina Piñero
Junior Penetration Tester || Offensive Security Engineer || Red Team Operator
Yeray 'JBKira' Medina Piñero
Junior Penetration Tester || Offensive Security Engineer || Red Team Operator
About Me
Junior penetration tester focused on web application security, Active Directory and infrastructure assessments. CRTO & CPTS-certified with hands-on experience across HTB Pro Labs and 100+ offensive security labs. Experienced in Red Team Operations, defense evasion, C2 operations, enumeration, exploitation, privilege escalation, lateral movement and technical reporting. Currently deepening red team and adversary simulation skills through CRTL course.
I am currently looking forward to new opportunities in the field of cybersecurity to enhance my professional skills and contribute to meaningful projects that can make me grow as a security professional.
Certifications
IT Skills
Graphical diagram of the technical skills I possess in the field of computing
Projects
In this section you can find my latest projects and contributions to cybersecurity
Latest CTF Machines Completed (+110 in total)
In this section you can find my latest CTF machines completed with detailed write-ups
CVEs, PoCs & Security Research
Proof of Concepts created by me to already discovered vulnerabilities