HC MA has been doing security research on Windows for about 4 years and mainly focuses on unpacking, algorithm reversing and de-virualization. HC also focused attention on Hardware hacking and firmware reverse-engineering from 2013. In 2015,HC gave a talk on BadBarCode Vulnerability at PacSec'15. In 2017,HC gave a talk on SamsungPay Vulnerability at Blackhat Europe'17. In 2018,HC gave a talk at Zeronights'18.