Co-authored by Summer Associate Dylan Metzdorf.
Today, restaurants rely on technology more than ever before. Between contactless payments and online ordering to loyalty programs and third-party delivery platforms, digital tools have changed how restaurants serve their customers and manage their day-to-day operations. What was once a simple cash transaction now often involves multiple technology providers working together behind the scenes to create an instant payment process that customers have come to expect.
While these advancements have created significant benefits for restaurants, they have also expanded the number of systems that collect, process, and store sensitive customer data and payment information. As a result, cybersecurity has now become a mandatory operational consideration for restaurants rather than simply information technology afterthought. A security incident affecting a restaurant’s payment data can interrupt service during a busy dinner rush, damage customer trust, and create contractual and legal obligations that many restaurant owners may not anticipate.
Many of these cybersecurity incidents are not the result of highly sophisticated attacks against the restaurant’s network. Rather, they often start with compromised third-party vendors, phishing emails, weak passwords, unpatched outdated software, or other preventable vulnerabilities. According to Verizon’s 2025 Data Breach Investigation report, third-party involvement continues to be a large factor in data breaches across all industries, which highlights the importance of understanding not only your own systems and security practices, but also those of the technology vendors which your restaurant relies upon.
Protecting customer payment information thus requires more than selecting a reputable point of sale system. Restaurant owners should understand how payment information moves throughout their business, recognize the legal and operational responsibilities that come with today’s technology and take practical steps to reduce their risk before an incident occurs.
How Customer Payment Data Moves Through Your Network
For many restaurant owners, payment security begins and ends with their POS system. However, in reality, customer payment information often travels through a much larger network of third-parties before the transaction is completed. Depending on how the restaurant operates, payment data may travel through payment terminals, POS software, payment processors, cloud-based management systems, and third-party delivery services. Each of these plays an important role in creating an efficient customer experience, but each of these also represents another business relationship that deserves the attention from both an operational and cybersecurity perspective.
Sensitive customer information may be collected and maintained by several different organizations from each transaction. However, not every technology provider stores the same amount of customer information. Some vendors may facilitate payment processing, retaining payment card data, while others may maintain customer profiles and purchase histories along with other PII necessary for them to provide their services. Understanding who has access to your customer’s information and how it is protected is an important step to managing cyber risk.
As restaurants increasingly rely on cloud-based platforms and specialized technology providers, cybersecurity becomes more than protecting the restaurant’s own systems. It also involves selecting trusted vendors, understanding your contractual responsibilities, and maintaining visibility into how customer information moves throughout the business.
How a Cyber Incident Disrupts Restaurant Operations
For many restaurant owners, the immediate consequence of a cyber attack has little to do with legal liability. Rather, they involve the practical challenges of continuing to serve their customers. At first, it may mean scrambling to find a way to continue to serve customers without technology systems during a busy dinner rush. However, after the immediate operational impact, restaurant owners may find themselves coordinating with their POS provider, payment processor, managed IT provider, cyber insurance carrier, cybersecurity incident response professionals, and their legal counsel, all while attempting to keep their restaurant operating. Depending on the circumstances, forensic investigators may need to determine what occurred, whether customer data was impacted, and what steps should be taken to contain the incident.
Even if customer payment information is not compromised, the disruption itself can be costly. Downtime during peak business hours can result in lost revenue, frustrated customers, and reputational harm that extends beyond the incident itself. If customer information is involved, restaurants must also begin evaluating potential notification obligations, contractual commitments, and other legal responsibilities.
Preparing for these situations is not any different than preparing for other operational disruptions. Just as restaurants plan for events such as power outages, equipment failures or staffing shortages, they should also have a plan for responding to cyber security incidents before one occurs.
Understanding Your Legal Responsibilities
While the operational disruption of a cyber incident is often the most immediate concern, breaches often bring legal obligations depending on the circumstances. If customer personal information is accessed by an unauthorized actor, state breach notification laws may require businesses to notify affected individuals and, in some cases, state regulators. Businesses that accept credit cards may also be required to comply with Payment Card Industry Data Security Standard (“PCI DSS”) requirements, which establish baseline security expectations for organizations that process, store or transmit cardholder data.
Restaurants should also review their contracts with vendors before an incident occurs. These agreements frequently allocate responsibility for security, reporting obligations, forensic investigations, and breach related costs. Understanding those responsibilities in advance can significantly reduce confusion during an incident. Although every cyber incident presents unique legal considerations, businesses that maintain proper safeguards, document their security practices, and respond promptly are generally in a better position to satisfy both their regulatory and contractual obligations.
Practical Steps Restaurants Can Take Today
Fortunately, reducing cyber risk does not always require significant technology investments. Many of the most effective security measures involve improving daily operational practices and maintaining visibility into how customer information moves throughout your business. Restaurant owners should understand where customer payment information is collected, which vendors have access to that information, and whether those vendors maintain appropriate security controls. Regularly updating point of sale systems, enabling multi-factor authentication, limiting employee access to sensitive information, and promptly installing software updates can significantly reduce common attack vectors.
Employee training also remains one of the most valuable security investments. Many successful cyber attacks begin with phishing emails, stolen passwords, or human error. Ensuring employees know how to recognize suspicious activity can prevent relatively minor mistakes from becoming significant business disruptions.
Finally, every restaurant should maintain a basic incident response plan. Knowing who they should contact, including technology vendors, payment processors, legal counsel, cyber insurance providers, and forensic professionals before an incident occurs can reduce downtime and help your restaurant recover more efficiently.
Conclusion
As restaurants continue adopting new technologies to improve customer experience and streamline operations, cybersecurity has become a necessary component of running a successful business. Protecting customer payment information is no longer solely an information technology issue, it is an operational financial, and business concern.
By understanding how payment information flows through the restaurant, maintaining visibility over third party technology providers, implementing practical security measures, and preparing for potential incidents before they occur, restaurant owners can significantly reduce their cyber risk while protecting both their customers and their business’s reputation.
Restaurants that are proactive with addressing their cybersecurity issues will be better positioned to continue serving their customers, preserve trust, and respond effectively when challenges arise.
Mandelbaum Barrett PC’s Hospitality Practice regularly advises restaurants, bars, hotels, developers, and hospitality investors on liquor licensing, regulatory compliance, business transactions, and operational risk management throughout New York and New Jersey. Our attorneys help clients navigate evolving laws while positioning their businesses for growth. If you are planning a new hospitality venture, acquiring an existing operation, or addressing liquor licensing challenges, our team can help you develop a practical strategy for moving forward with confidence.