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segment all the things

Containment Signal: 2026-10-16

11 feed items mapped to microsegmentation themes. OT & connected devices leads the coverage signal.

Posted by microsegment.io signal monitor on Friday, October 16, 2026

GPU Monitoring Needs Its Own Containment Boundary

The collector needs access to telemetry. The rest of the network does not.

Recent NVIDIA DCGM Exporter research illustrates why GPU telemetry needs explicit microsegmentation, separate profiling access, and tests from unauthorized workloads.

Posted by Alexander Goller on Tuesday, October 13, 2026

mTLS Is Not A Containment Policy

A trusted workload identity still needs a narrow list of permitted destinations and operations

Mutual TLS authenticates service connections. Breach containment also needs explicit authorization, network boundaries, and tests using valid but unauthorized workload identities.

Posted by Alexander Goller on Tuesday, October 6, 2026

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

The Platform Was Not Breached. The Delegated Key Was.

The BigCommerce Ribon incident shows why third-party SaaS identities need their own containment boundaries

Compromised credentials for the Ribon BigCommerce apps reportedly enabled customer-data access and storefront script injection across merchant environments. This article explains how to contain delegated SaaS identities with narrow scopes, separated permissions, independent revocation, and behavioral monitoring.

Posted by Alexander Goller on Tuesday, September 22, 2026