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Your Microsegmentation Policy Is Not Proven Until You Test The Deny

A clean rule set is not evidence that lateral movement paths are closed

Microsegmentation only reduces blast radius when denied paths are tested from real workloads. This article presents a practical method for validating policy enforcement, identity context, failure behavior, and containment over time.

Posted by Alexander Goller on Tuesday, September 8, 2026

When The Network Infrastructure Lies

Fire Ant shows why routers, TACACS, and telemetry systems need separate containment and evidence paths

Sygnia's Fire Ant investigation shows how compromised routers and authentication infrastructure can provide reach, steal credentials, and suppress the evidence defenders rely on. This article turns the incident into a practical microsegmentation and forensic-readiness design.

Posted by Alexander Goller on Tuesday, September 1, 2026

The Login Worked. The Breach Did Not.

A stolen identity session should not become access to every application behind the identity provider

ReliaQuest's August 2026 social-engineering attempt shows why authentication is only the first policy decision. This article explains how device trust, per-application authorization, session controls, and microsegmentation contain a valid but hostile login.

Posted by Alexander Goller on Tuesday, August 25, 2026

The 2026 Forrester Wave For Microsegmentation: Why Illumio Stands Out

A neutral reading of a competitive market, and why Illumio's position deserves attention

Forrester's Q3 2026 Microsegmentation Solutions Wave evaluates 10 vendors across 25 criteria. Here is what the results say about the market, Illumio's Leader position, and what buyers should validate next.

Posted by Alexander Goller on Saturday, August 22, 2026

Your CI/CD Runner Is A Privileged Workload. Contain It.

The Snowflake GitHub Actions flaw shows how one untrusted issue title can become a path into an internal SaaS system

Wiz's Snowflake disclosure shows why CI/CD runners need microsegmentation, narrow egress, short-lived identity, and explicit trust paths. This article turns the incident into a practical containment design.

Posted by Alexander Goller on Tuesday, August 18, 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 oauth ransomware segmentation supply-chain vulnerability-management weekly-roundup zero-trust