Hacker team trips up Zaif exchange thieves with clever trap

[InfoSec News <alerts () infosecnews org>]

http://www.asahi.com/ajw/articles/AJ201811240004.html

By Tatsuya Sudo
Senior Staff Writer
The Asahi Shimbun
November 24, 2018

Japanese white-hat hackers set up an online "stakeout" that uncovered IP 
addresses of attackers who stole billions of yen in cryptocurrency from 
the Zaif exchange.

The six-member team, led by security expert Takayuki Sugiura, created a 
large number of transfer points for Monacoin, one of three 
cryptocurrencies taken, believing that it would increase the likelihood 
that the culprits would access them.

Osaka-based Tech Bureau Corp.'s Zaif cryptocurrency exchange had been 
hacked to the tune of 7 billion yen ($63 million) in September.

Officials of the company said most of the stolen Bitcoin, Bitcoin Cash and 
Monacoin was illicitly transferred from so-called hot wallets connected to 
the Internet.

[...]



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