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Published on: Jun 24, 2020

| Updated: May 28, 2025

A Simplified Guide to Third-Party Vendor Risk Assessments

This article will help you understand how vendor risk assessments can mitigate potential threats to your organization and ensure third-party suppliers meet your business needs and expectations.

What you will learn:

  • The importance of vendor risk assessments

  • Potential risks that may arise

  • Benefits of assessing vendor risks

  • How to assess vendor risks

  • Main tools to manage your third-party vendors

Let's dive into learning how vendor risk assessments can help you ensure third parties keep up with your business's quality and safety needs.

Why Do you Need Vendor Risk Assessments?

The value of your business and its perceived worth depend on your business' data, how clean it is, how much you can trust it, and how you manage it and protect it.

Your data may include:

  • Customer information

  • Business transactions

  • Business interactions

  • Product information

  • Leads and opportunities

  • Employees' personal information

  • Business knowledge and processes

  • Current business risks

Whether you outsource your business's activities to save money or are looking for the expertise you currently don't have in-house, you must ensure your vendors keep up with your quality expectations. By doing that, you don't introduce unexpected threats or risks to your organization.

Vendor risk assessments (VRA) will help you identify the potential risks your organization is exposed to when using third-party vendors' products or services. These assessments become more critical when your vendor has access to essential business functions, deals with sensitive customer data, or interacts directly with your customers.

The main goal of VRA is to identify vendors' weaknesses that could result in a data breach, data leak, cyber-attacks or any other risk for your organization.

Why Vendor Risk Assessments Are Essential

Conducting vendor risk assessments isn't just a best practice—it’s often a regulatory requirement across a range of industries. It’s important to remember: while you can outsource products and services, you can never outsource the risk that comes with them. As such, vendor risk assessments form the foundation of effective risk management.

Failing to perform adequate assessments can leave your organization exposed to hidden vulnerabilities, outdated or missing controls, regulatory penalties, legal action, financial losses, and even lasting reputational damage. A robust VRA process ensures you understand and actively manage the true risk landscape introduced by third-party vendors, rather than being caught off guard by unforeseen issues.

How can Organizations Ensure They Have a Complete and Accurate List of all Their Vendors?

To kick off a strong vendor risk management process, it’s essential to first ensure you have a comprehensive list of every third-party vendor your organization interacts with. This simple step can help you avoid unpleasant surprises later.

Start by cross-referencing your own vendor records with those maintained by your accounts payable or procurement departments. Sometimes, not every vendor relationship is obvious—think about service providers hidden in the monthly expense logs or those niche consultants your teams occasionally engage. By comparing lists, you can catch any omissions or inconsistencies and have confidence that your vendor inventory is current and complete.

Taking the time to reconcile your lists means you won’t miss out on assessing potential vulnerabilities in lesser-known partnerships. It also supports better documentation and more effective oversight as you move into risk assessments.

Other business's risks are your risks

What are the Potential Vendor Risks?

Third-party suppliers and vendors can be anyone a business uses to support its operations. This includes manufacturers, suppliers, service providers and contractors of any kind.

While there are significant benefits from outsourcing tasks to vendors, businesses are ultimately responsible and must ensure compliance throughout the supply chain.

Typical areas of potential risk include:

  1. Legal risk: Most businesses store or process sensitive information such as personally identifiable information, health information or government data. There are legally mandated compliance standards that govern the handling of this information, and third-party suppliers and vendors must meet these requirements.

  2. Reputational risk: Third-party suppliers and vendors represent businesses, and their actions reflect the organization that hires them. When a third party fails to meet compliance standards or otherwise acts poorly, your business' reputation can also be damaged.

  3. Operational risk: If a third party's operations are sub-par, your business' operations are most likely to be affected. Resources spent fixing supplier mistakes can negatively impact business performance.

  4. Strategic risk: When your business's overall strategy and objectives don't align with your vendors', your business can face more friction when making decisions and achieving business goals.

  5. Financial risk: Your vendors' actions could potentially damage your financial standing if their internal processes are not under control. For example, their poor supply chain management can directly affect your revenue and customer retention.

  6. Privacy risk: Once you start a relationship with new third-party vendors, they will have access to critical information about your business and clients. If your vendors don't have the required security to protect personal data, this vital information could be easily accessed without authorization.

  7. Cyber-security risk: Cyber-attacks on all businesses, particularly small to medium-sized ones, are becoming more frequent and targeted. If third-party vendors have a low security, your data might be lost or stolen. You must ensure your business partners have cyber-security controls and protections.

potential third-party vendor risks

What are the Benefits of Assessing Vendor Risks?

Vendor risk assessments may seem intimidating and tedious at first, but remember that by understanding who your vendors are and how they work, you are taking care of your business and employees' safety. Plus, some tools (we will go over them later) can help you make this process much easier.

Not sure how vendor risk assessments can help? The following are some of the most important benefits you will get from VRA.

  • Reduce risks: When you get a good snapshot of the risks third-party vendors can introduce into your organization, you can ask for corrective actions or eliminate them from your potential partnership options. Remember that choosing the wrong vendors can significantly hurt your organization by raising the risks of data breaches, leaks, or other cyber-attacks.

  • Reduce costs and time: When you control the potential risks and threats that third-party vendors can introduce into your organization, you can make early, informed decisions and engage with the most qualified partners. If you don't have enough information about your vendors, it might cause future corrective actions that will need more time and money.

  • Defensibility: No company will ever be 100% secure, so it is crucial to be prepared for unexpected/unwanted situations. When a breach occurs, everyone will go after you and your business (regulators, lawyers, customers, etc.), even if a third-party vendor caused the breach. When you have vendor risk assessments in place, you show your due diligence and the steps to determine the vendor's risk levels and eliminate potential risks.

  • Improve the quality of your services: When you understand how third-party vendors work and the procedures and guidelines they have in place, you can understand their priorities and overall quality. Vendors with suitable systems and practices will be more likely to deliver quality outcomes, improving the quality of your products or services.

  • Ensure compliance: As outsourcing becomes more common and third-party breaches continue to rise, regulators are much more strict with organizations that are not adequately managing their third-party vendors. External vendors are an extension of your company's ecosystem, and both would be penalized and/or fined in case of a breach.
    When you assess vendors, you can simplify your compliance initiatives and satisfy industry regulatory compliance requirements, helping your business when regulators come.

  • Gives you visibility: If you work with multiple third-party vendors, you might have some challenges analyzing those relationships. An assessment system in place ensures that you have a complete look at every connection you have with your current partners, increasing reaction time against unexpected issues.

How to Assess Vendor Risks

How to assess vendor risks

You need to perform detailed vendor risk assessments to mitigate potential threats to your company. This assessment also helps you reject potentially risky vendors before entering a damaging relationship.

Also, remember that risk assessments should be a continuous process with a consistent approach applied to each vendor, based on a well-documented risk management plan.

When assessing vendor risk, businesses should focus on the following areas for effective risk mitigation:

  1. Assess business impact and regulatory risks: A vendor's impact determines if they are critical or non-critical to your business. Regulatory risk determines whether the vendor is low, moderate, or high. This is important because not all vendors have the same level of risk. Vendors that handle critical processes are a more significant threat than smaller contractors who only work with a single department.


  2. Use a standardized approach: The risk assessment process should be repeatable and consistent in content and criteria. This allows vendors in the same category to be compared equally and ensures that each vendor considers important risk factors.


  3. Assess suppliers at the product or service level: To understand every possible risk, product or service provided by vendors, each offering should be individually assessed, especially for critical impact / high-risk vendors. This means assigning a specific risk rating—typically low, moderate, or high—to each product or service, rather than assuming all risks are equal across the board. By conducting this inherent risk assessment internally for every vendor relationship and offering, you avoid blind spots and ensure that your due diligence and risk management efforts are proportional to the actual risks involved. This methodical approach clarifies which vendors and services require deeper scrutiny and ongoing monitoring, ultimately strengthening your overall risk management process.


  4. Evaluate risk when selecting vendors: Vendors should be assessed during the selection phase to ensure you are choosing the best vendor for your organization. While each vendor engagement should carry its own risk rating, the overall vendor relationship should default to the highest risk rating among all the products and services provided. For instance, if a vendor offers two low-risk services and one high-risk service, the vendor as a whole should be considered high risk. This approach ensures that the most significant threats are not overlooked due to lower-risk activities.


  5. Conduct due diligence for critical or high-risk vendors: Due diligence assesses a vendor's ethics and financial stability. This ensures the vendor has the strength and reliability to deliver the services your business requires. It's essential to due diligence before you sign or renew any contract. Identify and verify all potential risks and the vendor’s controls early in the process—waiting until after the agreement is signed may leave you exposed, as the vendor might not be obligated to address outstanding issues. Use your contract to legally require the vendor to mitigate any identified risks within a defined timeframe, protecting your organization and ensuring accountability from the outset.

Additional Best Practices for Successful Vendor Risk Assessments

  • Maintain a complete vendor inventory: Start by making sure you haven't overlooked any vendors. Compare your vendor list with accounts payable records to catch any discrepancies or missing vendors, ensuring no relationship falls through the cracks.

  • Group vendors by product or service category: Grouping vendors according to the product or service they deliver is essential for a streamlined assessment process. Each type of vendor—whether processors, cloud storage providers, or marketing agencies—comes with its own set of risks and regulatory requirements. By organizing your vendor list this way, you can apply consistent evaluation criteria to similar vendors, ensuring fairness and reducing the potential for overlooked vulnerabilities.

  • Assign risk ratings to both vendors and their individual services: Each vendor relationship and each product or service they provide should be assigned a risk rating—typically low, moderate, or high. The overall vendor risk rating should default to the highest risk among their offerings.

  • Identify criticality of each vendor relationship: Determine which vendors are truly critical by asking: Would their sudden loss disrupt operations or impact customers? Would recovery delays over 24 hours have a significant effect? Label engagements as critical or non-critical based on these answers.

  • Tailor due diligence to risk and criticality: The depth of your due diligence should match the risk level and importance of the vendor. For high-risk or critical vendors, collect and review documentation such as security certifications, financial statements, compliance reports, and risk management practices. Involve subject matter experts where needed. Key areas to examine include:

    • Strategic risk (alignment with your goals)

    • Reputational risk (history of breaches or violations)

    • Operational risk (resilience to failures)

    • Transaction risk (involvement in processing payments)

    • Financial and credit risk (financial health)

    • Compliance risk (adherence to regulations)

    • Information security and cyber risk (handling of sensitive data)

    • Concentration risk (overreliance on vendors in one location or a single vendor for critical services)

  • Document and repeat your process: Consistency is key. Your approach should be repeatable, reportable, and applied to every vendor. This not only improves accuracy but also strengthens your defensibility if issues arise.

  • Complete due diligence before contract signing or renewal: Always finish your risk assessment and due diligence before signing or renewing contracts. Use contractual language to require mitigation of identified risks within specific timelines.

  • Stay up to date with regulations: Monitor relevant regulations, such as the EU's GDPR or HIPAA, to ensure your vendor risk assessments meet current legal requirements.

  • Report regularly to senior management and the board: Keep leadership informed with updates on vendor risk assessments, especially for new or existing critical vendor relationships.

By combining a thorough, structured approach with ongoing diligence, you can manage vendor risk proactively and protect your organization from unnecessary surprises.

Key Questions to Determine Vendor Criticality

When trying to gauge just how essential a vendor is to your operations, consider asking yourself a few core questions:

  • If this vendor's services were suddenly unavailable, would your business experience major disruptions?

  • Would there be a noticeable effect on your customers or your ability to deliver your own products and services?

  • How long could your company function smoothly if the vendor experienced downtime? For instance, would a delay or outage longer than a day result in financial loss, reputational harm, or compliance issues?

These questions help clarify which vendors are mission-critical, so you can allocate the right level of attention and resources during your risk assessment process.

How Often Should You Revisit Vendor Risk Assessments?

Setting the right cadence for vendor risk assessments is essential to stay ahead of threats and compliance headaches. How often you should re-evaluate a vendor depends largely on the risk they pose to your organization—and the regulatory landscape you operate in.

  • High and critical-risk vendors: For vendors handling your sensitive data or critical operations, an annual deep dive is the minimum. If they experience disruptions, cyber incidents, or major business changes, review them promptly—even if you're nowhere near the calendar mark. Think of this as your annual insurance policy checkup, with a few extra spot-checks after a storm.

  • Moderate-risk vendors: These vendors might not access your crown jewels, but they still touch important parts of your business. Assessments every 18 to 24 months are typical. However, if a major contract renegotiation or shift in service happens, don't wait—reassess early.

  • Low-risk vendors: Many organizations review these relationships every two to three years or ahead of contract renewals. Since these partners don’t present a major risk, you can take a "light touch" approach here—but skipping check-ins entirely is never wise.

When Should You Reassess Vendor Risks More Frequently?

Certain situations can trigger the need for more regular vendor risk assessments. Keep an eye out for the following red flags:

  • Security incidents or breaches: If a vendor experiences a data breach, cyberattack, or similar security event, it’s a clear signal to reevaluate their risk profile.

  • Noticeable decline in performance: If a vendor starts missing deadlines, delivering lower-quality results, or exhibiting operational issues, it’s time to take another look at their risk to your business.

  • Major organizational changes: Mergers, acquisitions, significant staffing changes, or financial troubles within the vendor’s company can affect their reliability and security posture.

  • Regulatory or compliance changes: If new laws or industry standards are introduced that impact either your business or the vendor, your risk assessments should be updated accordingly.

Frequent reassessment during these scenarios helps you catch new risks early, ensuring your business isn't caught off guard by unexpected changes or threats.

Vendor Risk Assessment Tools

There are many vendor risk assessment tools, and no single solution will be perfect for every organization. However, the most widely used and adaptable tools include the following:

  1. Vendor Risk Assessment Templates: A vendor risk assessment template is a tool you can use to document the risk that exists within an area, the potential consequences of those risks, and the recommended controls to reduce risk to acceptable levels. General templates for managing vendor risk are readily available and can be adapted to specific requirements.

  2. Risk Assessment Frameworks: Most organizations are subject to standards or regulations based on best-practice or legal requirements that can be used to guide vendor risk management. The National Institute of Standards and Technology (NIST) and the International Standards Organization (ISO) include vendor risk assessment frameworks.

  3. Vendor Assessment Questionnaires: You can send vendors questionnaires to ask about their security practices and controls. These questionnaires are usually completed before engaging with a vendor and updated regularly to manage risk throughout the relationship. The best vendor questionnaire solutions are automated to allow delivery, completion, and responses to be managed efficiently and cost-effectively.

  4. Governance, Risk and Compliance (GRC) Tools: GRC tools allow businesses to quickly implement a suite of processes to monitor critical areas and report results to identify risks during initial and ongoing assessments. Governance Risk and Compliance software will also help you manage vendor risk assessment tools such as industry or regulatory frameworks and vendor management questionnaires.

Governance, risk, and compliance tools like StandardFusion can produce vendor questionnaires in preloaded templates for a range of business functions and be customized to meet specific requirements. In addition, they include support for the Standardized Information Gathering Questionnaire (SIG/SIG-Lite) and the 2018 Vendor Security Alliance Questionnaire.