Empowering Innovation with Security

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Our Dream is to

Protect Your Dream.

Because we believe your dreams will change the world. With Theori by your side, you're free to dream boundlessly and ignite transformative change.

Conquer evolving threats before they attack with optimal security strategies.

Strategic security solutions forged for your success.

01

Infra / Web Security

Holistic Cybersecurity Services and Solutions

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02

Blockchain Security

Strategic Security for Decentralized Systems

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03

Vulnerability Research

Cyber Threat Analysis Tools Against Intricate Attacks

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04

Bug Bounty

Bug Bounty Platform Bridging Hackers and Businesses

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05

Education

Interactive Cybersecurity Education Platform

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Client Testimonials

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With the help of Theori's security consulting, we were able to reduce actual security risks through testing realistic scenarios rather than a checklist-based approach.

TVING, Information Security

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We were greatly impressed and satisfied with Theori’s excellent blockchain technology and their ability to identify vulnerabilities and penetrate services.

Dunamu, CISO

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It goes without saying that Theori's technical skills are unmatched, and their responsive team helped us get things done efficiently and quickly.

Coinone, Service Security Cell

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Theori's security consulting service has significantly strengthened our corporate security, especially thanks to their high quality security reports.

Planetarium Labs, Blockchain Division

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Theori's bug bounty platform PatchDay provided high quality triage services that saved us much time and resources. It was a very convenient central platform for all bug bounty related management and communication.

Bifrost, Security team

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Theori's education platform Dreamhack has helped me consider potential vulnerabilities in the coding process, and also better understand the complex security procedures such vulnerability assessments and penetration testing before the release of a new service.

LG Electronics, H&A HQ, Living Solution Department

Latest Research and Publications

Vulnerability Disclosure

CVE-2024-30085

Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability

June 11, 2024

CVE-2024-20880

Stack-based buffer overflow vulnerability in bootloader

June 04, 2024

CVE-2024-20882

Out-of-bounds read vulnerability in bootloader

June 04, 2024

Publications

QueryX: Symbolic Query on Decompiled Code for Finding Bugs in COTS Binaries

2023 IEEE Symposium on Security and Privacy

June 21, 2023

Precise and Scalable Detection of Use-after-Compacting-Garbage-Collection Bugs

30th USENIX Security Symposium

August 11, 2021

Montage: A Neural Network Language Model-Guided JavaScript Engine Fuzzer

In Proceedings of the USENIX Security Symposium

August 14, 2020

The Art, Science, and Engineering of Fuzzing: A Survey

IEEE Transactions on Software Engineering

October 11, 2019

Backed by

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Speak with the world's best security experts.