ozuma5119 (Yusuke Osumi)

ozuma5119

Yusuke Osumi

CSIRT, Cyber Security Reseacher. CISSP / ozuma5119@gmail.com

Tokyo, Japan

Chat with ozuma5119Start a chat
Your conversation will be end-to-end encrypted.

5 devices

ozuma gist

Chat with ozuma5119Start a chat
Your conversation will be end-to-end encrypted.

	w00dsman Alan Neilan
	slvrslinky Eric W

emerald9
Emrah Sali

xxdavidxd
David Puche

valentinvdp
valentin vanderperre

bbhacking
bb king

tehpeh
Tim Preston

duvni
Daniel Dubnikov

jcharlier
Jean Charlier

dlaughlin

danmk

dexi

miloszs
Milosz Sliwinski

pyysiaaq

laura1234
Laura Kundze

rdub

nadiacollado

Keybase comes with everything you need to manage your identity, create secure chats, and share files privately. It's free.

It's fun too.

Over 100,000 people have joined Keybase so far to prove their identities, and it's growing rapidly.