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Your Cloud Vendors Are Part of Your Security Boundary

A practical vendor-risk checklist for the cloud services that support sales, inventory, collaboration, and compliance workflows.

By Alex Castrillo3 min readFact-checked August 28, 2026
Your Cloud Vendors Are Part of Your Security Boundary

Cannabis operators depend on cloud services for email, file sharing, inventory, payments, marketing, and vendor coordination. An incident at one provider can create downstream exposure even when the operator did not cause the original compromise.

What the evidence supports

CISA supply-chain guidance recommends identifying critical suppliers, understanding which systems and data they can access, setting security expectations, and monitoring supplier assurance over time. CISA also provides a vendor-assessment template designed for small and midsize businesses.

Why it matters to a Connecticut operator

The useful question is not whether a vendor claims to be secure. It is whether the operator knows what the vendor touches, what evidence supports the claim, and how the business will continue if that service is unavailable.

Operator checklist

  • Maintain a vendor register with service owner, data handled, access level, renewal date, and recovery dependency.
  • Prioritize vendors connected to identity, POS, seed-to-sale, payments, and backups.
  • Request current assurance evidence and document exceptions instead of relying on sales language.
  • Record an alternate process for every vendor whose outage would stop sales or required reporting.
Scope note: This briefing separates documented facts from practical recommendations. It is cybersecurity guidance, not legal advice or a statement that every recommended control is expressly required by Connecticut cannabis regulations.

Primary sources

About the author

Alex Castrillo

Founder of CannaShield. Working cyber incident response analyst and vCISO for licensed cannabis operators. Writes on cannabis breach analysis, GRC, cyber insurance readiness, and email-spoofing risk.

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