Chloé Messdaghi

Chloé Messdaghi is an award-winning changemaker who is innovating tech and information security sectors to meet today and future demands by accelerating startups and providing solutions that empower organizations and people to stand out from the crowd. She is an international keynote speaker at major information security and tech conferences and events, and serves as a trusted source to reporters and editors, such as Forbes and Business Insider. Additionally, she is one of the Business Insider’s 50 Power Players. Outside of her work, she is the co-founder of Hacking is NOT a Crime and We Open Tech. Learn more: https://www.standoutintech.com

Filipi Pires (@FilipiPires)

I’ve been working Principal Security Engineer and Security Researcher at Talkdesk and Security Researcher and Instructor at Hacker Security…I’m Hacking is NOT crime Advocate. I’m part of the Staff team of DEFCON Group São Paulo-Brazil, International Speakers in Security and New technologies events in many countries such as US, Canada, Germany, Poland and others, I’ve been served as University Professor in Graduation and MBA courses at brazilian colleges, in addition, I'm Creator and Instructor of the Course Malware Attack Types with Kill Chain Methodology (PentestMagazine) and Malware Analysis - Fundamentals (HackerSec Company).

IJ Puzon

A child of a Pastor & School Teacher, IJ is an Information Security Professional with ~6 years of experience in the field. He specializes in Vulnerability Assessment & Penetration Testing (VAPT) primarily focusing on Host, Web & Mobile Assessments as a member of the Synack Red Team & with his current employer. He is also skilled in Digital Forensics & Incident Response (DFIR), having handled multiple incidents in his previous employments & testifying as an expert witness in a case involving Computer-related Grave Threats & Unjust Vexation. Albeit in a long hiatus, he occasionally plays CTFs with hackstreetboys & TheManyHatsClub CTF Team. Recently, he's taken a bit of interest in Web Development & Graphics Design to help with the ministry started by his parents.

Luis Angel Ramírez Mendoza (@larm182luis)

Luis Ángel Ramírez Mendoza (@larm182luis) is a colombian electronic engineer, hacker and speaker. He spoke at DragonJAR Colombia (Biggest hacking spanish speaking conference in LATAM), DEF CON Las Vegas, GrayHat USA and P0SCon Iran.

Mauro Eldritch (@mauroeldritch)

Mauro Eldritch is an Argentine Hacker & Speaker, Founder of BCA and DC5411.

He was a Speaker at DEF CON (six times!), ROADSEC (LATAM’s biggest security conference), DEVFEST Siberia, DragonJAR Colombia (biggest spanish-speaking conference in LATAM), P0SCON Iran, Texas Cyber Summit and EC-Council Hacker Halted among other conferences (25+).

Mazin Ahmed

Mazin Ahmed is a security engineer that specializes in AppSec and offensive security. He is passionate about information security and has previously found vulnerabilities in Facebook, Twitter, Linkedin, and Oracle to name a few. Mazin is the developer of several popular open-source security tools that have been integrated into security testing frameworks and distributions.

Mazin also built FullHunt.io, the next-generation continuous attack surface security platform. He’s is also passionate about cloud security where he has been running dozens of experiments in the cloud security world.


Nafiez (@zeifan) is an independent security researcher, enthusiast with memory corruption and found dozens of security vulnerabilities in various applications from open to closed source. He has passion in vulnerability research, fuzzing and reverse engineering. Occasionally blog about his security findings in http://zeifan.my. Nafiez has been part of HITB organizing international Capture The Flag (CTF) events and local (Malaysia) CTF, Wargames.MY.

Sheikh Rizan

Rizan is a passionate information security professional with more than 20 years of experience. He loves anything Linux or open-sourced. He had spent over 13 years securing one of the largest oil and gas company in the world from cyber threats. He holds several industry relevant certifications including OSCP, OSCE, OSWE, CISSP & CREST CRT. He had reported security bugs to the US Department of Defense (US DoD), Spotify, Amazon, General Motors, Toyota, Alibaba, Airbnb, Dell, Starbucks & Rockstar Games.

Rizan was also part of a cyber security surveillance group supporting law enforcement agencies globally in the area of lawful interception for mobile and desktop technologies. Prior to his current assignment, he worked at Telenor as a Cyber Security Advisor specializing in offensive security. He has conducted dozens of on-site and remote penetration tests in Sweden, Finland, Thailand, Bangladesh, Malaysia and Myanmar.

- https://www.r00tpgp.com
- https://hackerone.com/r00tpgp
- https://packetstormsecurity.com/files/author/13424/
- https://www.exploit-db.com/exploits/47437
- https://gist.github.com/r00tpgp

Sheng-Hao Ma

Sheng-Hao Ma (aaaddress1) has over 10-year experience in reverse engineering, machine language, and Intel 8086. He has published articles about Windows vulnerability, and Reverse Engineering analysis, and was invited as a guest speaker at Black Hat, DEFCON, HITB, HITCON (Hackers In Taiwan Conference), VXCON, CYBERSEC events, and more. On top of all this, Sheng-Hao Ma is a core member of CHROOT Security Group in Taiwan and is an instructor of HITCON, Ministry of National Defense, and Ministry of Education for Windows Exploit and Malware Analysis.