Your command center for OT security.

The Product

GDScout is an OPC UA Global Discovery Server (GDS) solution, designed to turn the administrative nightmare of manual certificate management into a hardened, automated foundation for Industry 4.0/5.0.

FROM THE GLOSSARY

Global Discovery Server (GDS)

An OPC UA Server that maintains an enterprise-wide directory of authorized applications within an administrative domain - the authoritative source for applications verified by administrators.


Secure | Smart | Simple

SECURE

Unified Chain of Trust

  • Centralized Certificate Authority (CA) as your root of trust
  • Full PKI power, beyond weak self-signed certificates
  • Instant CRLs neutralized a compromised devide the moment it`s flagged

SMART

Central Registry for Uptime

  • Automated certificate renewals via Push and Pull
  • Randomized staggering prevents thundering-herd overload
  • Cross-subnet discovery finds servers across every production line

SIMPLE

Eliminate Shop-Floor Complexity

  • No more walking the floor with USB sticks
  • Standard OPC UA interfaces work across manufacturers
  • Legacy, GDS-unaware equipments joins without a code rewrite

Compatibility

  • OPC UA discovery functionality operates reliably even on systems with very long station names.
  • On Windows systems, the OPC UA discovery service is not installed by default, in order to support a secure-by-default deployment model.
  • Tani GDS Push supports OPC UA-enabled PLCs, controllers, and industrial devices that implement remote certificate and trust management mechanisms.
  • Compatibility depends on device model, firmware, OPC UA stack version, and configuration.

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Glossary

Key terms used across GDScout - grouped into clear categories

Security terms

  • RBAC - Role-based Access Control for user permissions.
  • CA - Certificate Authority that issues and signs certificates.
  • Zero Trust - Security model requiring continuous verification.
  • Mutual TLS - Both client and server authenticate each other.

Certificate Terms

  • CSR - Certificate Signing Request sent to a CA.
  • Key Pair - Public and private keys used for encryption.
  • Certificate Lifetime - Validity period before renewal.
  • Revocation - Invalidating a certificate before expiration.

Integration Terms

  • AD/LDAP - Directory services for identity management.
  • TPM/HSM - Secure hardware modules for key storage.
  • OAth2 - Authorization framework for secure access.
  • MQTT - Lightweight messaging protocol for OT devices.

Operational Terms

  • Device Registry - Central list of all managed devices.
  • Discovery - Finding devices and certificates automatically.
  • Provisioning - Assigning certificates to devices.
  • Automation - Removing manual renewal and tracking work.



Contacts

Your dedicated GDScout representatives

Peter Odila

Peter Odila

GDS Consultant

GDScout / Tani GmbH

📞 +49 911 47766 311

✉️ peter@tanindustrie.de


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