How to strengthen supply chain security in retail: from contractual controls to operational resilience

Amber Strickland

Principal Associate, Gowling WLG

Retailers sit at the centre of some of the most complex and interconnected supply chains in the economy. Highly digitised operations, extensive third‑party ecosystems and increasing reliance on shared data make the sector particularly exposed to cyber risk. Recent high‑profile incidents underline a clear message: supply chain security failures are no longer isolated IT problems, but business‑critical events that can disrupt operations, damage brand trust and trigger regulatory scrutiny. The cost of getting it wrong is exponential. 

For retail organisations, improving supply chain security requires a joined‑up approach — combining contracts, governance and day‑to‑day risk management — and recognising how modern retail supply chains actually operate.

Why retail supply chains are high‑risk environments

Retail supply chains are attractive targets for cyber attackers for a number of reasons:

• Third-party exposure

  
  Retailers depend on a wide range of third parties, including e‑commerce platforms, logistics providers, payment processors, SaaS vendors, marketing technology providers and in‑store systems. The highly connected nature of these supply chains makes them operationally sensitive. Disruption to one supplier, such as a payments provider or fulfilment platform, can quickly affect sales, stock availability and customer experience.

• Data‑driven

  
  Data is routinely shared across supplier ecosystems to enable forecasting, inventory management, customer engagement, fraud prevention and AI‑driven pricing. Retailers collect extensive customer data, which is a highly attractive target.

• Opportunity to leverage damage to brand reputation and public trust

  
  Retailers rely on brand image and public trust. The need to maintain and preserve that image and trust has value and could be seen as a vulnerability to extort.

The growth of omnichannel retail has amplified these risks. Digital touchpoints now span online stores, mobile apps, physical locations and logistics systems, creating multiple points where a third‑party incident can cascade into wider operational disruption.

Moving beyond “box‑ticking” supply chain contracts

Contracts remain a vital control mechanism, but only when they go beyond generic security commitments.

Traditional clauses requiring suppliers to “comply with a security policy” or “maintain appropriate safeguards” often fail to address real supply chain risks. More effective contractual frameworks focus on clarity, accountability and operability.

Key areas to prioritise include:

• Governance

  • Clear allocation of security responsibilities

  • Defined escalation routes for cyber issues

  • Alignment with the retailer’s risk appetite

• Transparency

  • Visibility of sub‑contractors and sub‑processors

  • Audit and assurance rights scaled to risk

  • Ongoing reporting on security posture where appropriate

• Incident response

  • Clear notification timelines

  • Obligations to cooperate during investigations

  • Access to relevant forensic information

• Technical measures

  • Security requirements linked to the nature of access, connectivity and data handled

  • Flexibility to adapt as threats and technologies evolve

Critically, these provisions are most effective when addressed early in procurement, rather than retrofitted once a supplier is embedded in core operations.

Embedding supply chain security into retail governance

Contracts alone cannot deliver resilience. Retailers need to integrate supply chain cyber risk into their broader governance and risk management frameworks.

Practical steps include:

• Mapping key dependencies

  
  Understand where suppliers have privileged system access or handle sensitive customer or operational data.

• Prioritising connectivity over criticality

  
  Suppliers with deep system integrations may present greater risk than those performing “critical” but isolated functions.

• Applying proportionate oversight

  
  Not every supplier requires the same level of scrutiny. Risk‑based assessment helps focus resources where they matter most.

• Reviewing risks continuously

  
  Supply chains, technologies and threat landscapes evolve quickly in retail. Static assessments rapidly become outdated.

Treating supply chain security as a living process, rather than a one‑off onboarding exercise, significantly improves resilience.

Incident readiness across the supply chain

When supply chain cyber incidents occur, speed and coordination make a material difference. Delays in detection or confusion over responsibilities can significantly amplify impact.

Retailers should ensure that:

• Incident response plans explicitly include key suppliers

• Roles and escalation paths are clearly defined

• Notification obligations support early containment and compliance

• Cross‑organisational response arrangements are tested, not assumed

Table‑top exercises involving both internal teams and priority suppliers can help identify gaps before a real incident exposes them.

Focusing on resilience, not elimination of risk

Retailers cannot eliminate supply chain cyber risk entirely, and attempting to do so can lead to disproportionate controls that slow innovation and commercial agility.

A resilience‑focused approach recognises that:

• Some incidents are inevitable in complex ecosystems

• The objective is to limit impact, recover quickly and maintain customer trust

• Shared responsibility models with suppliers are often more effective than rigid, one‑sided obligations

Supporting smaller or less mature suppliers to meet baseline security expectations can also improve resilience across the wider ecosystem.

Key takeaways for retail organisations

1. Supply chain security is a business resilience issue, not just a technical one

2. Contracts should reinforce governance, transparency and incident readiness

3. Supply chain risk must be embedded into ongoing retail risk management

4. Preparedness and coordination matter more than perfection

5. Retail resilience depends on recognising and managing interdependence

As retail supply chains continue to digitise and expand, organisations that integrate legal, technical and operational controls will be best placed to manage cyber risk sustainably and respond confidently in an increasingly complex threat environment.

For more information, contact Amber Strickland.