Protecting UK Retailers: Addressing the Surge in Cyberattacks with Strategic Network Solutions

In April 2025, some UK retailers became the target of significant cyberattacks. ​

While the impact of the attacks varied, they in some cases led to the:

• suspension of online orders
• disruptions in contactless payments
• reporting of attempts to gain unauthorised access to systems, prompting the restricting of internet access at sites
• temporary shutdown of parts of IT systems including back-office and call centre operations
• raising of concerns about the security of customer data and the resilience of digital systems
• temporary halts to recruitment activities

While in many cases, stores and online services remained operational, the incident highlighted some vulnerabilities in retailer’s IT infrastructure and the importance of proactive cybersecurity measures. ​​

The National Cyber Security Centre (NCSC) is investigating these incidents and providing guidance to affected organisations. ​Such incidents underscoring the potential vulnerabilities in retailer’s digital infrastructure and the growing sophistication and motivation of cybercriminals. ​

These incidents are not isolated. ​According to the NCSC, ransomware attacks on UK firms increased significantly between 2024 and 2025, affecting 19,000 companies. ​ With 76% of businesses experiencing cyber incidents in the past year, the retail sector has become a prime target for cybercriminals seeking to exploit sensitive customer data and disrupt operations.

The recent cyber breaches highlight the urgent need to reinforce defences. Prioritising maximum uptime and best-in-class security as the standard we strive for in our industry.

Retailers handle vast amounts of sensitive data, including payment card information, customer details, and proprietary business data. ​ This makes them attractive targets for cybercriminals. ​ Additionally, the reliance on third-party vendors, hybrid work models, and legacy systems further exacerbates vulnerabilities. ​ A single breach can lead to financial losses, reputational damage, and erosion of customer trust—an asset that is critical for long-term success in the retail industry. ​

The interconnected nature of retail operations, from point-of-sale (POS) systems to inventory management and customer Wi-Fi, creates multiple entry points for attackers. ​ Common cyber threats include:

• Ransomware Attacks: Encrypting data and demanding payment for its release. ​
• Phishing and Social Engineering: Manipulating employees into revealing sensitive information. ​
• Point-of-Sale Malware: Targeting payment systems to steal customer data. ​
• Wi-Fi hijacking and ‘man-in-the-middle’ attacks
• Distributed Denial of Service (DDoS) Attacks: Overloading systems to disrupt operations. ​
• Supply Chain Vulnerabilities: Exploiting weaknesses in third-party vendors. ​

Extensive academic and industry research into the current state of retail cybersecurity has revealed several critical insights into the challenges and solutions for protecting the sector. ​ Here are some of the key findings:

Importance of Customer Trust ​

Customer trust is a cornerstone of retail success. ​ Cybersecurity incidents can severely damage a retailer’s reputation, leading to loss of consumer confidence and financial setbacks. ​ Trust directly influences sales and revenue, making it essential for retailers to prioritise data protection and operational resilience. ​

Recommended Cybersecurity Frameworks ​

Research studies typically identify NIST CSF, ISO/IEC 27001, and the Essential Eight as the best combination of cybersecurity frameworks for the retail industry. ​ These frameworks provide a structured approach to managing risks, protecting data, and ensuring compliance with regulations like GDPR and CCPA. ​

Third-Party Vulnerabilities

Over 53% of data breaches in 2024 were linked to third-party vendors, highlighting the need for robust vendor risk management (VRM). ​ Retailers must therefore conduct continuous risk assessments, enforce breach notification obligations, and adopt monitoring platforms to mitigate these risks. ​

Employee Training and Awareness ​

Human error is a leading cause of breaches, with phishing attacks being particularly prevalent. ​ Regular and comprehensive employee training programs, including simulated phishing exercises, are critical to improving cybersecurity resilience. ​

Incremental Implementation

Retail organisations often perceive the upfront costs of implementing cybersecurity frameworks as prohibitively high. ​ Incremental implementation, however, allows businesses to enhance security maturity over time without requiring substantial initial investments. ​

Emerging Technologies

AI, Machine learning (ML) and blockchain are beginning to transform retail cybersecurity. ​ For example, recent research indicated that AI-based systems demonstrated a detection accuracy of 95%, significantly outperforming traditional systems (75%) while reducing false positives from 20% to 5% (Khan, et al., 2025). ML models are also enabling real-time threat detection and adaptive responses, while blockchain can help enhance transaction security and data integrity. ​ These technologies when properly implemented offering new and innovative solutions to address next-generation cyber threats. ​

In response to the growing number of cybersecurity challenges, a suite of tailored solutions designed to address the unique needs of the retail sector are highly important. ​ By combining industry-leading frameworks, advanced technologies, secure networks and strategic insights, retailers will be more empowered to protect their operations, safeguard customer data, and maintain trust in an increasingly digital retail environment. ​

Risk-Based Cybersecurity Frameworks: ​

A risk-based approach to cybersecurity, aligning with industry standards such as NIST CSF, ISO/IEC 27001, and the Essential Eight are regarded as some of the best approaches. These frameworks provide a structured methodology for identifying vulnerabilities, prioritising remediation efforts, and implementing safeguards across all stages of the cybersecurity lifecycle. ​

Secure IoT Connectivity:

The Internet of Things (IoT) has revolutionised retail operations, enabling smart shelves, self-service kiosks, and connected POS systems. ​However, IoT devices are prime targets for cyberattacks. ​ Highly secure IoT connectivity solutions can therefore form part of the network and system protection, ensuring seamless operations while protecting against unauthorised access and data breaches. ​

Disaster Recovery and Business Continuity ​

Disaster recovery systems are crucial and designed to minimise service disruptions and safeguard revenue streams. ​ With frequent secure backups, operational restoration procedures, and regular testing, disaster recovery systems can help ensure that retailers can recover quickly from unexpected outages.

Vendor Compliance and Data Protection ​

Third-party vendors account for a significant portion of data breaches, making vendor risk management (VRM) a critical component of retail cybersecurity. ​ Emphasising extending cybersecurity standards to third-party vendors, ensuring compliance with regulations like GDPR and CCPA is critical. ​

A multi-layered approach to cybersecurity is advocated, combining technical defences, organisational processes, and employee training. ​ Key best practices include:

• Network Segmentation: Isolate POS systems, employee devices, and customer Wi-Fi to limit lateral movement during breaches.
• Strong Authentication Systems: Implement well regulated and supervised multi-factor authentication (MFA) and enforce robust password policies. ​
• Zero Trust Architecture emphasises “never trust, always verify” principles for continuous monitoring. ​
• Endpoint Protection: Secure all connected devices with antivirus software and real-time monitoring. ​
• Employee Training: Educate staff on phishing detection, safe browsing practices, and incident reporting. ​
• Incident Response Plans: Develop and regularly test plans to contain, assess, and recover from cyber incidents. ​
• Cloud Security and Compliance: Organisations are leveraging Cloud Security Posture Management (CSPM), encryption, and IAM controls to secure cloud environments while adhering to regulatory frameworks like GDPR, HIPAA, and PCI-DSS.
• Cybersecurity Insurance: Cybersecurity insurance is increasingly vital for mitigating financial and reputational risks. ​ It complements existing security measures, providing financial protection, regulatory compliance support, and aiding business continuity.
• Visualisation of Risks: The Bowtie model enhances understanding of interconnected risks by visually mapping attack pathways and layered defence mechanisms, aiding management in addressing vulnerabilities effectively.
• Future Innovations: Emerging technologies such as quantum-resistant encryption, decentralised identity management, and AI-powered threat intelligence are critical for addressing next-generation cybersecurity challenges.

Broadband connectivity (as well as wireless networks) forms the backbone of many retail operations. Supporting everything from point-of-sale (POS) systems to inventory management and customer Wi-Fi. However, as retailers become more connected, they also become more vulnerable to cyber threats. Securing broadband solutions is therefore essential for business continuity, customer trust, and regulatory compliance.

Retailers must therefore secure their broadband infrastructure to protect against cyber threats:

• Segment networks to limit lateral movement during breaches. ​
• Use business-grade broadband solutions with advanced security features. ​
• Regularly update and patch systems to close vulnerabilities. ​
• Educate employees on identifying phishing attempts and safe browsing practices. ​

Cybersecurity is integral to the UK retail sector’s resilience and customer experience. ​ By adopting comprehensive frameworks, leveraging advanced technologies, and prioritising customer trust, retailers can deter cyberattacks and support sustainable growth. ​ The CSL Group is committed to helping businesses navigate these challenges and build a secure future.

For more information on cybersecurity solutions tailored to your business needs, contact CSL Group today.