Join the NextDefense Era and Scale Your Organisation with Confidence

Start your journey towards secure digital resilience with NextDefense, our next generation of advanced managed security and SOC services. At Telefónica Tech, we understand the evolving threats that organisations face in today’s digital era. That’s why our suite of proactive security, defensive strategies, and expert consultancy are designed to combat emerging cyber security threats and guide you towards a secure, safer future. Our sustainable model of advanced security capabilities is aligned to the changing threat landscape, so you can confidently navigate the digital landscape, knowing that resilience is embedded from the cloud to the edge.


  • Reduce the risk of a cyber-attack
  • Control the cost of your security operations and technologies
  • Increase the maturity of your cyber security defences.


Our end-to-end security programme is not just a service; it’s a strategic partnership for securing the future of your operations.

Global & Local Expertise

Drawing on 6,200 professionals and Telefónica Tech's 11 global SOCs, we offer global expertise with local assurance. Our UK&I security-cleared facilities are supported by our worldwide capabilities.

Predict and Protect with AI

Predict and protect with proprietary threat intelligence, cutting-edge technology, and AI-driven automation and insights for unparalleled protection.

One Brand: Total Defence

Our advanced portfolio of fully managed Cyber Security services aligns with the NIST framework, ensuring an end-to-end security strategy for your critical assets, including data, cloud, endpoints, and networks.

NextDefense's Secure Services

  • Security Information and Event Management (SIEM)
  • Managed Detection and Response (MDR)
  • Extended Detection and Response (EDR)
  • Digital Forensics and Incident Response (DFIR)
  • Threat Modelling
  • Risk Advisory
  • Secure Design Lifecycle Principles
  • Technical Assurance
  • Cyber Threat Intelligence (CTI)
  • Penetration Testing
  • Red Teaming, and Vulnerability Management

Experience, Reliability & Continuous Innovation

Why Telefónica Tech?

As a global Managed Security Service Provider, Telefónica Tech brings over 15 years of cyber security expertise, serving over 1,700 global cyber security customers

Recognised by analysts including:

Avasant, IDC, Global Data, Forrester

Over 1,700 global cyber security customers including:

Santander, Lidl, Bosch, Melia and Navantia

6,200 professionals:

with the latest certifications in third-party technologies

Global network of Security Operations Centres (SOCs):

in 11 locations worldwide, with UK&I onshore capabilities with a security-cleared facility, backed by global expertise.

Our Industry Expertise

Keeping citizens & society safe

A trusted cyber security partner for healthcare

Unbeatable cyber resilience

Delivering the security freedom to do business

OT cyber security solutions for industry

Securing the supply chain and beyond

Get in touch to discuss your cyber security challenges