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.

4 devices

ozuma gist

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

	w00dsman Alan Neilan
	slvrslinky Eric W

ssmereka
Scott Smereka

prilkit

janeen

xanhblack
Huyen Nguyen

va7il
Darren K. Gillis

rrenales

testermoneybag10
o

adityasetia

bandiman

simongauld
Simon Gauld

miao
Miao

lynnmaclaren

hannukumpula
Hannu Kumpula

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.