i4connected Knowledgebase 5.6

Signal-level security

Abstract

Check out the distribution of security levels and statused concerning the i4connected Signals, when accessing a SCADA visualization.

Security of i4connected Signals provide two levels of security:

  • Read access

    • Deny

    • AllowUnsecured

    • AllowSecured

  • Write access

    • Deny

    • AllowUnsecured

    • AllowSecured

SCADA visualizations concerning the Signal read/write operation is enforced for each signal based on Read/ Write Signal status and the corresponding user permission.

Signal access

User permission

Action

Result

Read-only

Deny read

Read

Deny

Read-only

Allow read

Read

Allow

Write-only

Deny write

Write

Deny

Write only

Allow write

Write

Allow