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

rothshahar

fabokano

teenhours

cdecker
Chris Decker

wvansteen

nstalalove
Natalia Stefanik

roooms
Dan Brown

andr3pls

ankitaagrawal

roman_kutlak
Roman Kutlak

timodeu

bigbadpupper
Patrick

tomfelder

siedi

fridaymonkeyz
Simon

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.