Hung Chi Su

<span>Hung Chi Su (also known as atdog) is a member of Chroot - the top private hacker group in Taiwan. </span><span>He has been taking part in CTF competitions for over 10 years, is a member of HITCON and 217 CTF teams which achieved second place at Defcon CTF 22 & 25. </span><span>He is now focusing on Mobile and IoT security, particularly exploitation techniques.</span>

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