Method for Establishing a Secure Connection from a Service Technician to a Component of an Automation Environment that can be Remotely Diagnosed and/or Maintained and is Experiencing Failure

A method for establishing a secure connection from a service technician to a component experiencing a failure in an automation environment which is at least one of remotely diagnosable and remotely maintainable, wherein a service certificate is required for establishing the secure connection, the method comprising:

• setting up a secure initial connection from the service technician responsible for the component experiencing the failure to the automation environment based on a one-time password;
• transmitting a secure initial connection service certificate required for establishing the secure connection from the automation environment to the service technician responsible for the component experiencing the failure;
• and
• establishing the secure connection from the service technician to the component experiencing the failure using the service certificate.

An automation environment which is at least one of remotely diagnosable and remotely maintainable, the automation environment comprising:

• means for at least one of diagnosing and maintaining the automation environment including:
• means for setting up a secure initial connection from a service technician to the automation environment based on a one-time password;
• means for transmitting a secure initial connection service certificate required for establishing the secure connection from the automation environment to the service technician;
• and
• means for establishing the secure connection from the service technician to a component in the automation environment experiencing a failure using the service certificate.