Yuwei Zheng is a senior security researcher concentrated in embedded systems over 10 years. He had reversed blackberry BBM, PIN, BIS push mail protocol , and decrypted the network stream successfully in 2011. After that, one year later, he finished a MITM attack for blackberry BES, which based on a modified ECMQV protocol of RIM. At the Qtr4 of 2014, he entered wireless security research group, Unicorn Team, in Qihoo 360 China. Now he is focusing on the security issues of embedded hardware and IOT systems. Twitter: @hwiosec
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