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OT Integrator Access Needs An Expiry Date

Separate retained engineering knowledge from live access, then prove you can disconnect one supplier

The September 2026 FBI/CISA ICS integrator guidance raises two different containment problems: engineering data outside the plant and remote access into it. A practical microsegmentation pattern for supplier-specific access, project closure, and independent revocation.

Posted by Alexander Goller on Tuesday, September 29, 2026

OT Segmentation Must Survive Edge Compromise

The Polish energy-sector attack showed why VLANs are not containment when one administrator can reach every control subnet

CERT Polska's investigation of the December 2025 energy-sector attack shows how compromised VPN and identity control paths can flatten OT segmentation. This article turns the incident into a practical containment design for remote sites, SCADA, RTUs, HMIs, and safety-critical systems.

Posted by Alexander Goller on Tuesday, August 11, 2026

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Principal Solutions Architect, Zero Trust Evangelist, BSD enthusiast

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