CIS Control 15.4: Service Provider Contract Security Requirements
Service provider relationships are a critical vulnerability vector that most organizations struggle to manage systematically. CIS Control 15.4 requires embedding security requirements directly into vendor contracts and establishing a formal review process before signing—yet most SMBs lack documented procedures for this. Without contractual security obligations, you have no recourse when vendors experience breaches affecting your data.
What this means
CIS 15.4 mandates that your organization include relevant security clauses in all service provider agreements before execution. This includes data protection obligations, breach notification requirements, audit rights, incident response cooperation, and compliance standards alignment. The control specifically requires a documented contract review process that evaluates security terms before any vendor relationship begins. This prevents the common scenario where vendors access sensitive data without explicit security commitments.
How to comply
- 1.Create a service provider security requirements template covering data handling, confidentiality, breach notification, audit rights, and compliance obligations
- 2.Document your contract review process, including who approves vendor agreements and what security criteria must be evaluated
- 3.Establish a vendor intake form that captures security requirements before procurement proceeds
- 4.Review all existing service provider contracts to identify gaps and prioritize amendments for critical vendors
- 5.Implement a contract repository with version control and expiration tracking for renewal opportunities
- 6.Define escalation procedures when vendors cannot meet baseline security requirements
- 7.Train procurement and legal teams on security contract language and review criteria
Evidence auditors look for
- Service provider security requirements template document
- Documented contract review and approval process
- Signed service provider agreements with security clauses included
- Vendor security questionnaire responses or attestations
- Contract tracking spreadsheet with security requirements checklist
- Approval records showing security review completion before contract execution
- Amendment agreements addressing security gaps in legacy contracts
- Vendor list with compliance certifications (SOC 2, ISO 27001, etc.)
Frequently asked questions
When will FAQs be available?
The FAQ for this control is currently being prepared.
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