We focus on intelligence so you can focus on success.
Technical assurance detects vulnerabilities and protects systems.
Manage technical risks from the ground up.
From websites to physical devices, airplanes to WiFi-enabled toasters, code is the foundation of all the tech we interact with. Identify and tackle even the most minute holes in your defenses.
Turn your assessment data points into insights.
Data points are only useful if they're usable. Benchmark your own data and progress or turn your attention outward to your industry. Compare, contrast, and strategize.
Scale the size and intensity of your assessments.
No two security roadmaps are the same, nor should they be. Choose what makes sense for you, be it point-in-time penetration tests or full-scale attack simulations using a team of global experts.
NCC Group Recognised as a Leader in ISG’s 2025 Cyber Security Report

Leader - Technical Security Services
NCC Group is recognised for its CREST-certified offensive security, red teaming, and deep technical assurance, and is trusted in high-risk, compliance-driven environments.
How will you assess your systems?
Test
Continuous Offensive Security
A scalable and comprehensive testing solution designed to be a seamless extension of your security team. It provides continuous, contextualised security assurance to meet the demands of modern development lifecycles. It includes real-time agile testing integrates into your working environment covering a spectrum of application security across web applications, web service and APIs as well as mobile applications.
Test
Penetration Testing
Penetration testing uncovers vulnerabilities to help you understand and reduce risk. Our expert team simulates real attacks to identify weaknesses before attackers do. Using advanced technologies and hybrid methods, we deliver thorough, up-to-date security evaluations. Our continuous offensive security services offer real-time monitoring to detect and respond to threats, keeping your security strong and adaptive.
Simulate
Social Engineering Prevention
Evaluate how well your policies, procedures, and people respond to social engineering and phishing attacks. We use realistic simulations, assessments, and training to close security gaps, strengthen resilience, and drive lasting change.
Simulate
Attack Simulation
Rigorously test your defences with realistic attack simulations. Identify hidden vulnerabilities early with Red, Purple, and Black Teaming. Combine threat intelligence and covert assessments to stay ahead of sophisticated threats.
Test
Application Security
Mitigate threats and assess your mobile, web, and native applications for attack risks. Using penetration testing and assessments, find and address vulnerabilities before they become a target.
Test
Hardware & Embedded Systems
Secure your products, platforms, and Board Support Packages using the latest security best practices. Avoid costly rework by getting it right the first time.
Test
Network Infrastructure, Architecture, & Container Security
Find and fix vulnerabilities, understand complex container environments, and incorporate latest security practices for your cloud migration and transformation.
Design
Cryptography & Encryption
Secure data as it flows from one place to another, up the supply chain as securely as possible.
Develop
Cloud Security Services
Make your cloud computing environment more resilient with cloud-native and hybrid cloud security expertise that keeps pace with ever-changing cloud technology.
Further reading
Why NCC Group?
Global In-house team
Over +420 offensive security experts stay ahead of evolving threats.
Skills and accreditation
Our team includes CHECK, CREST, and OSCP certified consultants, plus testers cleared to SC and DV levels. We are a CREST Member Company and hold multiple NCSC accreditations.
Intelligence led
Our services are backed by extensive research, threat intelligence, and real-world experience in handling threat actors.
Trusted
From governments to tech giants, financial institutions to fast-growth businesses, for over 25 years we have proudly provided them with strong cyber resilience.
Global delivery services
Access global services with flexible delivery and cost models, providing both local presence in key regions and the ability to scale as needed.
Flexible service offerings
A range of engagement models, including fixed costs, day rates, and continuous models, to suit different project sizes, timelines, and global testing needs.
Our Accreditations
Call us before you need us.
Connect with our offensive security experts to protect your organisation from hidden risks.