Matthew Toussain

IANS Faculty

Matthew Toussain is the Founder and CIO of Open Security, an information security consulting firm specializing in holistic security services. Matt served as the senior cyber tactics development lead for the U.S. Air Force and worked as a security analyst for Black Hills Information Security and CounterHack Challenges. As a certified SANS instructor Matthew regularly delivers educational seminars to security practitioners around the world.

  • Red Team / Purple Team Engagements
  • Training & Education
  • Vulnerability Assessment and Management
  • Passwords & Identity and Access Management (IAM)
  • Modern Web Application Security & Development

Achievements & Contributions

  • Author of SANS SEC460: Enterprise and Cloud | Threat and Vulnerability Assessment
  • Creator of the Sirius vulnerability scanning engine
  • Published numerous cutting-edge, peer-reviewed security research whitepapers
  • U.S. Air Force Academy with a B.S. in computer science
  • GSE #130, GPEN, GSEC, GCIA, GCIH, GMOB, GCPM, GCCC, Security+, CEH, GXPN Certifications:
  • SANS Technology Institute with an M.S. in information security engineering
  • 2014 NetWars Tournament of Champions Grand Champion
  • Winner of 2021 SBA award for veteran-owned small business
  • Guest speaker at numerous cybersecurity conferences including DEFCON, RSA, and Derbycon