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

biegal
nie bój się Michale

404n0tf0und

ekost
Erik Östholm

iksaif
Corentin Chary

mrblurname

alanhawkshaw

tkgeisel
Travis Geiselbrecht

nataliiavoznaviv
Nataliia Vozna

capybaradev
Heriberto Figueroa Michel

nkomarn
mykyta

ryanwmedlin

vedharish
Harish Ved

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.