Hacking is part of his job.
In fact, part of Mr Lyon Yang Shiwei's job scope includes breaking corporate cyber security codes.
But the 25-year-old is one of the good guys. The "hacking'' is part of his job as a security consultant at security-assessment.com, a security company with a strong focus on research and development..
He said: "I have loved working with computers since I was in primary school.
Mr Yang graduated from Temasek Polytechnic in 2008 with a Diploma in Infocommunication, and enrolled in SIM Global Education (SIM GE) after his national service.
He enrolled as a full-time student in the Bachelor of Computer Science (Digital Systems Security) at SIM GE from March 2011 to March this year.
The degree is awarded by University of Wollongong (UOW), Australia, and his polytechnic diploma enabled him to enter at Year 2 of his course.
Mr Yang graduated with distinction, and was among the top 5 per cent of his cohort.