Modern businesses rarely operate independently. They depend on external suppliers, software providers, consultants, payment processors, cloud platforms, and other third-party organizations to deliver products and services.
While these relationships improve efficiency and provide access to specialist expertise, they can also introduce cybersecurity risks. A vulnerability within one supplier’s systems may potentially affect the organizations that depend on its services.
For this reason, evaluating supplier cybersecurity should be an important part of business risk management.
Understanding Third-Party Cybersecurity Risks
Third-party security risks arise when an external organization has access to business information, systems, networks, or operational processes.
For example, a supplier with access to customer records may become a potential entry point for attackers if its security practices are inadequate.
Common third-party risks include compromised accounts, insecure file transfers, outdated software, poor access controls, and insufficient data protection procedures.
Businesses should understand which suppliers have access to sensitive information and assess the security implications of those relationships.
What Should Businesses Check Before Working with Suppliers?
Before entering into an important business relationship, organizations should consider conducting appropriate security due diligence.
This may involve reviewing a supplier’s security policies, data handling procedures, access management practices, incident response arrangements, and relevant certifications.
Businesses should also establish clear contractual expectations concerning information security, breach notification, confidentiality, and data handling responsibilities.
Supplier assessments should not be limited to the beginning of a relationship. Regular reviews are important because security arrangements and business operations can change over time.
The Value of Recognized Security Certifications
Security certifications can provide useful evidence that an organization has implemented certain security practices.
For UK businesses, Cyber Essentials is one certification worth considering. It demonstrates that an organization has implemented five fundamental technical controls intended to reduce exposure to common internet-based threats.
Suppliers and businesses seeking to strengthen their security credentials can explore options to buy cyber essentials through an appropriate provider.
When evaluating suppliers, organizations should understand the exact scope of a certification and whether it covers the systems and services relevant to the proposed business relationship.
Making Cybersecurity Part of Procurement
Procurement teams should work alongside IT and security professionals to incorporate cybersecurity requirements into supplier selection procedures.
A practical supplier assessment process may include:
- Identifying suppliers that handle sensitive information.
- Assessing the level of system access they require.
- Reviewing their existing security controls.
- Requesting relevant security documentation.
- Establishing contractual security requirements.
- Scheduling periodic supplier reviews.
This approach helps businesses make informed decisions while reducing unnecessary exposure to third-party security risks.
Conclusion
Supplier relationships can introduce cybersecurity risks that extend beyond an organization’s own IT infrastructure. By evaluating third-party security practices, requesting appropriate evidence, and establishing clear contractual requirements, businesses can reduce these risks.
Recognized certifications, regular assessments, and effective supplier management all contribute to a more secure business environment and stronger long-term commercial relationships.
