About Us

We are a young cybersecurity R&D startup based in Austin, TX.

We are hackers.

Theori was founded by a team of hackers from Carnegie Mellon University who have conquered DEFCON CTF five times and many other international competitions. Difficult problems excite us: we love to tackle challenges with novel, innovative, and effective solutions.

We are versatile.

Over many years we have expanded our expertise to range from vulnerability research to automotive security. We work with both commercial and government customers to improve the security of their infrastructure and provide an outside perspective. Our performance is world-class: we provide practical and actionable solutions, consulting and penetration testing, and government R&D contracts.

We are open.

We benefit from amazing security communities and we would like to contribute, too. Our researchers have given talks and trainings at international conferences, and we plan to make them more accessible. Stay tuned to our blog for new research, slides, and more!


We have offices in South Korea and the United States. We believe that talent is not limited to any single country. We look for the best minds across the world to better serve our customers.

Austin, TX (Main Office)

Theori, Inc.
100 Congress Ave, Suite 2000
Austin, TX 78701
United States

Seoul (Korea Branch)

Theori Korea
3F, 27 Seolleung-ro 93-gil
Gangnam-gu, Seoul, 06151
South Korea


E-mail: contact@theori.io (PGP)