The Breach That Isn’t Really Yours, Until It Is
Verizon’s 2025 Data Breach Investigations Report found that roughly 30% of breaches now involve a third party, up sharply from where that number sat just a couple years ago. Separate research from SecurityScorecard puts a related figure even higher, around 35%, and finds that 98% of organizations have at least one vendor relationship with a company that’s already been breached. Whether you outsource payroll, use a cloud accounting platform, or work with a marketing agency that has access to your customer list, that vendor’s security posture is now, in a very practical sense, part of yours.
And the financial picture backs up why this deserves more attention than it usually gets: breaches involving a third party cost roughly 40% more to remediate than purely internal incidents, adding hundreds of thousands of dollars to an already expensive problem. Only about a third of businesses say they’re confident a vendor would even notify them promptly if that vendor got breached.
Why Small Businesses Skip This Step
Vendor risk review sounds like a large enterprise problem, the kind of thing with a dedicated team and a spreadsheet tracking two hundred suppliers. Most small businesses don’t have that team, research suggests even the organizations that do this formally still run lean, often just one or two people covering dozens of vendor relationships, so it’s an easy thing to skip entirely rather than do halfway.
But skipping it doesn’t remove the risk, it just means nobody’s looking at it. And for any Massachusetts business working toward CMMC, NIST 800-171, HIPAA, or PCI-DSS readiness, vendor oversight isn’t optional, it’s an explicit requirement. Compliance frameworks increasingly expect businesses to know which vendors touch sensitive data and to have some evidence of oversight, not just a signed contract from three years ago sitting in a folder.
What a Reasonable Vendor Review Actually Looks Like
This doesn’t need to be a 200 line questionnaire sent to every vendor you’ve ever used. A workable starting point for most small and mid sized businesses looks like this:
- List the vendors that actually matter. Focus first on anyone with access to customer data, financial systems, or your network itself. A landscaping company invoicing you monthly is not the same risk category as your cloud accounting platform.
- Ask a short, pointed set of questions. Do they use MFA internally? Do they have a written incident response plan? Would they notify you within a defined window if they were breached? Vague or defensive answers are themselves useful information.
- Put a review cadence in writing. Annual review for critical vendors, lighter touch for everyone else, revisited whenever a vendor relationship changes materially.
None of this eliminates vendor risk entirely, nothing does, but it moves a business from having no visibility to having a documented process, which is exactly what a compliance auditor, cyber insurer, or new enterprise customer doing their own due diligence is going to ask to see.
This Belongs on the Strategic Roadmap
Vendor risk isn’t a one time checklist item, its a standing part of the same roadmap thinking that covers compliance readiness more broadly. Cloud9 Tech Solutions builds this kind of compliance readiness planning into the broader strategic work we do with clients, because a security stack that ends at your own network perimeter is only covering part of the actual risk.
If your business has never formally reviewed the vendors sitting closest to your sensitive data, this is a reasonable month to start, before a vendor’s incident becomes your incident.
Let’s Map Your Vendor Exposure
Schedule a free security assessment with Cloud9 and we’ll help you identify which vendor relationships actually carry risk and build a review process sized to your business, not a Fortune 500 checklist that never gets used.