About the authors

Gilberto Najera-Gutierrez is an experienced penetration tester currently working for one of the top security testing service providers in Australia. He obtained leading security and penetration testing certifications, namely Offensive Security Certified Professional (OSCP), EC-Council Certified Security Administrator (ECSA), and GIAC Exploit Researcher and Advanced Penetration Tester (GXPN); he also holds a Master's degree in Computer Science with specialization in Artificial Intelligence.

Gilberto has been working as a penetration tester since 2013, and he has been a security enthusiast for almost 20 years. He has successfully conducted penetration tests on networks and applications of some the biggest corporations, government agencies, and financial institutions in Mexico and Australia.

Juned Ahmed Ansari (@junedlive) is a cyber security researcher based out of Mumbai. He currently leads the penetration testing and offensive security team in a prodigious MNC. Juned has worked as a consultant for large private sector enterprises, guiding them on their cyber security program. He has also worked with start-ups, helping them make their final product secure.

Juned has conducted several training sessions on advanced penetration testing, which were focused on teaching students stealth and evasion techniques in highly secure environments. His primary focus areas are penetration testing, threat intelligence, and application security research. He holds leading security certifications, namely GXPN, CISSP, CCSK, and CISA. Juned enjoys contributing to public groups and forums and occasionally blogs at http://securebits.in.