Alteras Service

OT Security Architecture Reviews

An independent, IEC 62443-aligned assessment of your current IT/OT architecture, delivered as a board-readable findings report with prioritized recommendations.

Risk reduction

Where the real exposure sits, ranked by operational impact.

Architecture validation

Whether the as-built design matches the as-intended architecture.

Trust boundaries

Where IT meets OT, and whether those boundaries hold.

Secure remote access

Vendor and operator access paths into the plant.

Purdue-model alignment

Whether levels and zones are cleanly separated.

What you get

A clear picture of exposure, a remediation roadmap and an independent second opinion.

Start with a focused OT conversation.

Book an OT architecture review.

Book an OT architecture briefing