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segment all the things

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

The Email Security Gateway Is Now An Attack Origin

CVE-2026-76461 turns one crafted message into a root-level containment problem

Cisco Secure Email Gateway CVE-2026-76461 is actively exploited and can provide root command execution through email parsing. This article explains how to contain the appliance across mail, management, egress, identity, and evidence paths.

Posted by Alexander Goller on Tuesday, September 15, 2026

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Principal Solutions Architect, Zero Trust Evangelist, BSD enthusiast

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2026 ai-security attacks breach-containment cisco cloud-security containers containment cyber-resilience hard-truths hybrid-cloud identity identity-security kubernetes lateral-movement links management-plane metrics microsegmentation microservices mitre mitre-attack network-segmentation non-human-identity oauth ot-security ransomware remote-access saas-security segmentation service-mesh supply-chain supply-chain-security third-party-risk vulnerability-management weekly-roundup workload-identity zero-trust