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Practical resources for operational technology security

Worksheets and worked examples for small and mid-size utilities and the integrators who support their OT systems.

Practical OT Security No. 1

Start here ·

OT Vendor Access Review

Review one vendor connection. Compare hours worked with hours of available access, identify what remains accessible, and assign the questions your team needs to resolve.

Two worksheet pages and a two-page fictional water-utility example.

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First worksheet page with fields for vendor access, approval, a 90-day access comparison, and remaining access

Practical OT Security No. 2

Next step ·

OT Disconnect and Reconnect Planning

Establish what depends on a connection, how staff will manage the disconnect control, and what must be checked before restoring access.

Two worksheet pages and a one-page fictional example continuing the Cedar Bend utility scenario.

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First worksheet page with fields for the disconnect boundary, operational dependencies, and independent management access