GuardianKey protects systems against unauthorized access and automated attacks with advanced, easy-to-integrate technologies. From risk-based authentication to MFA bastions and cryptographic challenges, our solutions combine innovation, practicality, and strong security.
We use innovative approaches to address increasingly complex problems and threats. Explore our solutions below:

GuardianKey Auth Security evaluates the risk of each authentication in real time, detecting suspicious attempts and blocking automated attacks without friction for the user. It’s an adaptive protection that ensures security without compromising the experience.
GuardianKey GKTinc protects web applications against large-scale attacks using cryptographic challenges invisible to the user. It’s a modern alternative to CAPTCHA: stopping bots and malicious scripts without interfering with legitimate navigation.
GuardianKey Auth Bastion adds MFA and OIDC/OAuth2 to legacy systems without code changes, strengthening access security through simple deployment, centralized management, and policy-based control.
Transform your security operations with practical AI: intelligent agents, governed automation, and native integration with SIEM, EDR, WAF, Active Directory, ticketing systems, and more — all running on-premises, with complete audit trails and your data always under your control.
GuardianKey integrates seamlessly with widely used systems, enhancing security while keeping your operations simple and efficient.
















GuardianKey goes beyond traditional login. With artificial intelligence, adaptive authentication, and deterrence mechanisms, our solutions protect access and applications against fraud and automated attacks — all in a simple, integrated, and frictionless way.
Talk to our team and discover how GuardianKey can protect your access and applications. We’re ready to help you choose the ideal solution for your business.
Talk to Our ExpertsBrazil:
CRS 516, Bloco B, Sobreloja 69
ZIP 70381-525, Brasília – Brazil
US Entity :
GuardianKey Inc.
Corporation Trust Center
1209 North Orange Street, Wilmington, DE 19801, USA



