NSHC was founded as a security consulting company by a team of white hat hackers in 2003.

Our company has expanded businesses from security solutions to security information consulting within the last 10 over years.

Our team, Red Alert in NSHC, is known as an offensive research team whose main role is to research on cyber threat intelligence,virus attack, 0-day vulnerability, APT Group profiling. Now we have found over 255 kinds of real world 0-day vulnerabilities in well-known software, IoT, ICS/SCADA and we also do the consulting for critical infrastructure both in Korea and abroad.

Since 2015, We have been focusing on ICS/SCADA security and specializing to provide information of critical infrastructure threats. We also provide ICS/SCADA security hands-on training based on all our experience of consulting and researching on Industrial Control system. NSHC have been positioned in several world class hacking contests and invited as distinguished speaker in Black Hat, HITCON & DEFCON. Finishing top positions in Worldwide Hacking Competitions and achieving top winning records for an Asian country.

Global Hacking Contents

• SUTD ICS/SCADA International CTF 2017 – Winner (Singapore)
• CODEBLUE Hack2Win 2017 – Winner (Japan)
• CODEBLUE Hack2Win 2016 – Winner (Japan)
• Pwn2Own CTB 2015 – Award (Japan)
• CODEBLUE Hack2Win 2015 – Winner (Japan)
• KISA HDCON 2014 – 2nd (S.Korea)
• DEFCON 21st, 2013  Capture The Flag - Advance final match & 8th (USA)
• KISA HDCON 2013 - 3rd (S.Korea)
• KISA HDCON 2012 - 3rd (S.Korea)
• KISA HDCON  2011 - 2nd (S.Korea)
• ISEC 2010 Capture The Flag – 1st Winner (S.Korea)
• DEFCON 18th , 2010 Capture The Flag – 2nd (USA)
• DEFCON 18th, 2010 Capture The Packet – 2nd (USA)
• KISA HDCON 2010 – 1st Winner (S.Korea)
  

• DEFCON 17th, 2009 Capture The Flag - Advance final match & 6th (USA)

• KISA HDCON 2009 - 3rd (S.Korea)

• DEFCON 16th, 2008 open Capture The Flag – 2nd (USA)

• KISA HDCON 2008 -2nd (S.Korea)

• CODEGATE 2008 International Hacking Contest – 3rd (S.Korea)
  

• DEFCON 15th, 2007 Capture The Flag - Advance final match & 6th (USA)
  

• Hack In The Box 2007 Capture The Flag – 3rd (Malaysia)
  

• KISA HDCON 2007 - 3rd (S.Korea)
  

• DEFCON 14th, 2006 Capture The Flag - Advance final match & 8th (USA)
  

• KISA HDCON 2006 - 2nd (S.Korea)
  

• KISA HDCON 2005 - 2nd (S.Korea)
  

• DEFCON 7th, 1999 Capture The Flag - Advance final match (USA)
  

Global Conference Speaker

• HITB 2017, Speaker (Amsterdam)

• BLACK HAT 2016, Speaker (Amsterdam)

• Hong Kong Cyber Security Symposium 2015, Speaker (Hong Kong)

• HITCON 2014, Speaker (Taiwan)

• CISO Forum 2014, Speaker (S.Korea)

• HITCON 2013, Speaker (Taiwan)

• CISO Forum 2013, Speaker (S.Korea)

• ISEC 2013, Speaker (S.Korea)

• SecuInside 2013, Speaker (S.Korea)

• Black Hat 2011, Speaker (UAE)

• CanSecWest 2011, Speaker (Canada)

• POC 2007, 2010, Speaker (S.Korea)

• PacSec 2010, Speaker (Japan)

• AVTOKYO 2010, Speaker (Japan)

• DEF CON 18th, 2010, Speaker (USA)