ozuma5119
Yusuke Osumi
CSIRT, Cyber Security Reseacher. CISSP / ozuma5119@gmail.com
Tokyo, Japan
Start a chat
Your conversation will be end-to-end encrypted.

Following (2)

w00dsman
Alan Neilan
slvrslinky
Eric W

Followers (4)

w00dsman
Alan Neilan
slvrslinky
Eric W
azowux
Azo Wux
kris57
Kris Walton

Browse others (15)

blackouthunter
Blackout
cvermilion
Christopher Vermilion
ccscott
Chris
tk3
brethymnis
Benjamin RETHYMNIS
joshharpercole
Joshua Harper-Cole
ikountan
Ian Kountanis