Levon Kayan a.k.a noptrix is a member of ethical security testers called nullsecurity which was formed in November 2011. He is the author of the following security tools; ap-unlock, Dnsdrdos, dnsspider, ripdc.sh, trixd00r and sshtrix.
Victor Dorneanu a.k.a Cyneox is a security engineer / application security specialist and former virus writer for Linux. Originally from Romania, he had lived in Germany for roughly 3 years before coding the virus. He is responsible for the viruses Binom, Caline, Nemox, and Nf3ct0r.
Stefan Kurtzhals was born on December 15, 1972 who has created some antivirus programs like SYANBOOT, SSC, SVS, SCRC, SDISK and MEMCHK (the SUSPICIOUS package).He likes to molest virus writers in IRC. When the first macro viruses for Winword poped up 1995, he started to write a heuristic scanner for macro viruses, F/WIN.
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.