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

tablet5
Why?

theefclef

madroth
Chris Ellis

zsako

dawidbuksa

nomagem
Brianna

akvinsky

robinwebber
Robin Webber

zahra1378

humbletim

shaneoh
Shane O'Hanlon

futurepaul
Paul Miller

flashink

jointops

chowraid
Alexander Vega

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.