Sean Dillon a.k.a zerosum0x0 is a American researcher who is interested in attacking the Windows kernel. He was the first to reverse engineer the DOUBLEPULSAR SMB backdoor. He is a co-author of the ETERNALBLUE Metasploit module and contributions to the project. He has previously been a software engineer in the avionics and insurance industries, and his favorite IDE is still GW-Basic on DOS.
Leerz is a Filipino virus cleaner author who has probably moved on from his life as of this writing but has been seen writing some comments and issues in some Github repos. He is the author of Noob Killer which is a simple Virus Cleaner utility to remove infamous worms like "Hacked by Godzilla" and "Taga Lipa" variants that infects and spread through Flash Drives in Windows XP before.
Spitfire Hacker wrote "Hacking SAM - A Description Of The Dial-Up Security System" which is a phile of Phrack Volume One.
Gabriel Ryan is a pentester and security researcher whose career began as a systems programmer at Rutgers University and then went on to work as a penetration tester and researcher for the Virginia-based defense contractor OGSystems. While at OGSystems, he worked as a lead engineer on the Mosquito project, a geospatial intelligence tool that leverages wireless technology to track potential threats.
scut is a member of TESO which is an Austrian hacker group that was active from 1998 to 2004. He has published remote exploits and tools which are archived in packet storm mostly and other mailing lists.
Trevor Martin a.k.a Trezdog44 (preferably) is an American developer from California who is the maintainer of MZD-AIO-TI | MZD All In One Tweaks Installer which is used for modifying or tweaking a Mazda car's infotainment system like bringing back the SSH access, changing the background image, etc.
Vladimir Katalov is CEO, co-owner and co-founder of ElcomSoft Co.Ltd. Born in 1969 and grew up in Moscow, Russia. He studied Applied Mathematics in Moscow Engineering-Physics Institute (State University); from 1987 to 1989, was sergeant in the Soviet Army. Vladimir works in ElcomSoft from the very beginning (1990).
Mark Zuckerberg is an American computer programmer and Internet entrepreneur. He is a co-founder of Facebook, and currently operates as its chairman and chief executive officer. Zuckerberg launched Facebook from his Harvard University dormitory room on February 4, 2004. He was assisted by his college roommates and fellow Harvard students Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes.
In his sophomore year, he wrote a program that he called CourseMatch, which allowed users to make class selection decisions based on the choices of other students and also to help them form study groups. A short time later, he created a different program he initially called Facemash that let students select the best looking person from a choice of photos. According to Arie Hasit, Zuckerberg's roommate at the time, "he built the site for fun".
Manfred has been reverse engineering and exploiting MMORPGs for 20 years.During that time, he ran a successful business based solely on exploiting online games in order to supply virtual goods to retailers.He has reverse engineered communication protocols for over 22 well known and popular MMORPGs and in certain cases circumvented anti tampering and software/hardware fingerprinting countermeasures.