As L&C Mortgages grew, so did the need for a more effective and collaborative approach to security operations. The business wanted more than just a SOC provider. It needed a partner that could work alongside internal teams, strengthen resilience and support long-term goals. This case study shows how Nomios helped L&C transform its SOC capabilities through a consultative approach, delivering greater visibility, stronger processes and a more mature security operation.
The challenge
As L&C Mortgages continued to grow within the highly regulated financial services sector, the organisation recognised the need to evolve its security operations to support its scale and risk profile. L&C sought a Security Operations Centre (SOC) partner to manage its EDR and SIEM capabilities in a more strategic and collaborative way.
Beyond strong technical expertise, the business wanted a partner that could communicate clearly, work closely with internal teams, and provide a dependable, proactive approach to protecting critical assets. The objective was to establish a long-term SOC partnership aligned to both current operational requirements and future growth.
Why Nomios was selected
Nomios was selected following an anonymised evaluation process that focused on capability, approach and cultural fit. L&C Mortgages valued Nomios’ clear, consultative style, strong security expertise, and focus on understanding their specific requirements rather than proposing standardised solutions.
The business also recognised Nomios’ emphasis on open communication and partnership, giving confidence that the service would integrate effectively with internal teams and support L&C’s operational needs.
The introduction of Nomios as our new Security Operations Centre has significantly strengthened our cyber resilience. The team demonstrates efficiency and professionalism, underpinned by mature expertise across the cyber security domain.
Sue Humphreys, Cyber & AI Security Manager, L&C Mortgages
Nomios approach
The engagement began with a structured onboarding phase focused on understanding L&C’s environment, priorities and ways of working.
Nomios took a consultative approach to the deployment and ongoing management of EDR and SIEM, aligning processes, use cases and response procedures with L&C’s operational requirements.
A dedicated Service Delivery Manager provided consistent oversight, establishing clear communication channels for incident escalation and day-to-day engagement. Ongoing service reviews, knowledge transfer sessions and continuous refinement of run books ensured the service evolved in line with L&C’s needs.
The outcome
The engagement with Nomios has marked a clear shift in L&C Mortgages’ SOC operating model, moving from a largely transactional service to a more integrated partnership approach.
Communication is now consistent and structured, covering incident handling, knowledge transfer sessions, regular service review meetings and executive-level reporting. The transition was closely overseen by internal stakeholders and completed without issue, building confidence in the service.
As a result, L&C has expanded its use of Nomios services, including the use of service credits for additional investigative work and the engagement of Dionach for penetration testing of new systems, with positive feedback on the quality and detail of the reporting delivered.
Nomios consistently deliver a high-quality service and have become a tremendous asset to our company. We would wholeheartedly recommend their services to any organisation seeking a trusted, professional, and genuinely supportive cyber security partner.
Sue Humphreys, Cyber & AI Security Manager, L&C Mortgages
Customer impact
- Ongoing refinement of use cases and run books has improved consistency and effectiveness of security operations
- Regular collaboration and knowledge sharing have increased internal understanding of SOC processes and incident handling
- Structured service and executive reporting provide visibility of security activity and supports informed decision-making
- High-priority incidents have been managed efficiently, reinforcing confidence in the service across the business
Security maturity
Knowledge transfer
Clear reporting
Effective incident response
About L&C Mortgages
London & Country Mortgages Limited, commonly known as L&C Mortgages, is one of the UK’s leading mortgage brokers and advisory firms. Established in 1986, the company has built a strong reputation for providing expert, impartial mortgage advice to customers across the UK. With a team of over 650 employees, L&C combines decades of industry experience with a customer-first approach, helping individuals and families navigate an increasingly complex mortgage market.
Operating within a highly regulated financial services environment, L&C is committed to maintaining robust operational and security standards to protect both its customers and its business.
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