Directory · GB
Computer and Network Security in United Kingdom
A register of firms and the professionals working at them in the Computer and Network Security sector based in United Kingdom. Browse the public index, then filter or export on Kipplo.
Companies
1.8K on file
Gemserv Cyber
Gemserv is an expert provider of professional services in a world driven by data and technology. Our Cyber & Digital sector is a division of @Gemserv, which comprises Cyber Security, Data Protection and Digital Transformation capabilities. We complement our tailored, integrated expertise with a vibrant ecosystem of digital innovators to deliver better, faster, and more enduring outcomes. We are purpose-driven, working across multiple sectors including energy, low carbon, cyber & digital, the public sector and health to tackle today’s social and environmental challenges. We are one of the UK's Leading Management Consultants for 2021, recommended by clients and peers, and rated by sectors and services in a special report by the Financial Times.
201 to 500 staff
Hexatrace
HexaTrace is a UK-based cybersecurity company founded in 2024, dedicated to securing the digital future. We specialize in quantum-resilient cybersecurity solutions, emergency cyber defense, and digital risk management for startups, enterprises, and governments. At HexaTrace, we go beyond traditional cybersecurity — combining innovation, speed, and expertise to protect our clients against evolving digital threats. Our vision is to become a global leader in proactive cyber intelligence by 2030. Core Services: – Proactive Penetration Testing & Ethical Hacking – AI-Driven Threat Intellignce – Advanced Incident Response – Cybersecurity Compliance – Security Training & Awareness – Continuous Monitoring & Risk Assesment Based in the UK | Serving Globally For support: incident@hexatrace.com
1 to 10 staff
Hiddenapp
Optimize your IT fleet security with HiddenApp. HiddenApp protects your Android, Apple, Chrome OS & Windows devices, enabling real-time location tracking, device monitoring and advanced recovery tools, all actionable through a user-friendly dashboard. Ultra accurate location tracking built on Google Maps Geofencing IP address monitoring Mass messaging and notifications Intruder photos Screenshots Detailed Network tracking data Keylogging Fully integrated with Jamf Pro Fully integrated with Google Admin Console Mass security actions Simple mass deployment/installation Fully customizable remote lockdown (insert your company logo into the screenlock) Remote wipe And much more.
11 to 50 staff
Holistic Cyber Holisticyber
HolistiCyber’s mission is to assist corporations in defending themselves from the new phase of evolution in Cyber threats - not only in volume, but in the level of sophistication. Hackers, backed by Nation-States in many cases, use tools that were developed by the NSA and other Nation-State agencies that have leaked into the Darknet. HolistiCyber’s holistic approach includes a comprehensive understanding of business processes and identification of organizations’ critical and strategic assets - all from the view point of potential highly sophisticated attackers. We help organizations manage cybersecurity risks and demonstrate the impact a cyber-attack will have on your business, i.e.(Financial, Legal, Brand, Reputation). Our experts are cybersecurity veterans of the intelligence branch of the Israel Defense Forces (IDF). They are world-class experts who have served on the front-lines of critical nation-state cybersecurity offensive and defensive operations.
51 to 200 staff
Hookphish
At HookPhish, we offer a comprehensive range of services that empower businesses to safeguard their digital landscape against evolving cyber threats. Our commitment is rooted in providing you with "Everything you need in one platform." With a focus on security, education, and protection, we offer a suite of solutions designed to fortify your defenses and ensure a resilient cybersecurity posture. Our Services: 1. Phishing Simulation: Empower your organization with proactive defense against phishing attacks through our cutting-edge Phishing Simulation training. Our platform enables you to simulate real-life phishing scenarios, educating your team to recognize and respond effectively to these threats. Awareness Training: Equip your employees with the knowledge and skills to combat social engineering attacks. Our Awareness Training programs educate your workforce about the tactics used by cybercriminals, empowering them to make informed decisions and safeguard sensitive information. Data Leak Protection: Maintain control over your valuable data by preventing unauthorized access and leaks. Our comprehensive Data Leak Protection solution offers a robust defense against potential breaches, ensuring your employees' sensitive information remains secure. Phishing Detect: Stay ahead of cyber adversaries with our advanced monitoring service, Phishing Detect. We proactively identify and thwart phishing, typosquatting, and brand impersonation attacks, ensuring your brand's reputation remains intact and your stakeholders remain protected. At HookPhish, we believe that cybersecurity is a shared responsibility. Our mission is to provide you with the tools, knowledge, and support necessary to create a resilient security ecosystem within your organization. As the threat landscape continues to evolve, we stand by our commitment to deliver top-tier solutions that empower you to navigate the digital world with confidence.
1 to 10 staff
Identity Intelligence
The world's largest database of stolen and compromised identities. We intercept identities that are being traded by criminals around the internet. We store these and make them available for people to check whether or not they have been compromised already via a consumer website.
1 to 10 staff
Inet Consulting Ltd
iNet Service, believe true value from technology requires an in-depth understanding of business strategy. Our cross-industry consulting services help you craft a vision for your organization and then provide a specific, practical business and technology framework that will make that vision a reality.
11 to 50 staff
Integral Project Services
Integral Project Services - Keeping IT simple. IPS provides Information Technology, Internet Solutions and Planning Support Services for sole-traders to large companies. We pride ourselves on our friendly; flexible; jargon free; cost effective service. We have an office in the centre of Belfast from where we support clients across the UK and Ireland. If you would like to contact us to discuss your IT needs, please feel free to get in touch.
1 to 10 staff
Intrinsic Security
Intrinsic Security is a UK-headquartered cybersecurity firm delivering 24/7 threat detection, incident response, and resilience across cloud, hybrid, OT, IoT, and identity environments. With teams across six strategic global locations, we operate as a single integrated security function, protecting enterprises worldwide with precision and speed. Our Cyber Security Ecosystem Consulting Managed Services Platform Built for CISOs and security leadership, our services integrate seamlessly with your environment, aligning with NIST, ISO 27001, GDPR, and other regulatory mandates. From Tier 1 infrastructure monitoring to real-time threat intelligence, we operate as an extension of your security team — combining UK-based SOC analysts, and global response capabilities across EMEA, North America, and APAC. Whether you're defending critical national infrastructure, scaling a regulated enterprise, or hardening a hybrid estate — Intrinsic delivers measurable outcomes, SLA-backed containment, and board-level reporting that enables proactive decision-making.
51 to 200 staff
Intronovo Ltd
At IntroNovo our aim is to help our customers discover new and exciting ways of working. We are not tied to a traditional IT approach and our vision centres around ‘data’ – the way we store, manage, protect and use it is driving organisations to innovate and look at new products to help them achieve their goals faster, more reliably and more securely. People demand performance and doing the same thing again and again and expecting a different result will just leave organisations unable to service their customers and lagging behind the competition and the Internet of Things (IoT) just raises the bar in terms of how much more we can achieve with the technology available today. Change is happening now – Let IntroNovo help you to understand which solutions can benefit your organisation and deploy them quickly to achieve your changing business goals and realise the best value from your investment.
1 to 10 staff
It Tiger
IT Tiger. Specialised in: • Network & System Security Testing • Tiger Team Penetration Testing. • AntiVirus. • Data Recovery & Forensics. • CyberStalking Consultancy. • Network & System Security Testing • Tiger Team Penetration Testing. • AntiVirus. • Data Recovery & Forensics. • CyberStalking Consultancy.
1 to 10 staff
Kingston University Cyber Security Society
The Kingston University Cyber Security Society was officially recognised by the Student Union in late 2018. We created it as a place to share what we have learned, to find new people and share our passion for cyber security and technology in general. Everyone is welcome to our meetings and events, it doesn't matter if you know nothing about computers, or a veteran from the cyber security scene, there will always be something for you! We have members from varying courses, foreign countries and different backgrounds, but the one thing that connects all of them is their passion for technology. We will also be running events intended to be for everyone like Capture The Flag competitions events (CTF),organising talks and live demos from people in the industry, Running study groups to help people both on and off of the Cyber Security courses, and many more!
1 to 10 staff
Kmcc Kent & Medway Cyber Cluster
KMCC is recognised by the UK Cyber Cluster Collaboration (UKC3), the DSIT-funded national body of all local cyber security clusters, as the sole local cyber security cluster for the Kent and Medway region. KMCC's main aim is to develop the local cyber security ecosystem in Kent and Medway. It will focus its activities in the following three areas- Building a local community on cyber security matters in all sectors- Promoting innovation in cyber security to grow local cyber security capabilities- Facilitating cyber skills development for all, from children to professionals and local citizens. KMCC will work closely with a number of local partners and stakeholders such as local authorities and public bodies, local businesses, higher education institutions (HEIs) and schools. Nationally, KMCC will work closely with the UKC3 and other local cyber security clusters to contribute to the development of the cyber security ecosystem in the whole UK.
1 to 10 staff
Lions Europe
Lions Europe specialises in affordable cybersecurity consultancy and managed security service that enables you to focus upon your core business, whilst we deliver comprehensive and round-the-clock security services. We have a team of 24x7 highly skilled security researchers, engineers and analysts that help our customers with several challenges they face in today’s security environment such as skill shortages, the growing number of threats, the complexities of the modern digital environment and meeting regulatory requirements obliging businesses to secure data. We also offer Cybersecurity Awareness Training for employees to strengthen their skills and overcome likely weaknesses that a hacker can exploit. Our Managed SOC service provides 24x7 proactive security monitoring, vulnerability management, and incident response and is structured into different tiers. This is especially attractive for small and medium-sized businesses that are targeted frequently by various levels of attackers but do not have the resources of large Enterprises. With our flexible commercial models and deployment options, our Managed SOC service is a cost-effective way for organizations to leverage all the benefits of a SOC without incurring the significant overheads and outlay associated with building and deploying their own in-house security centre. If you do not typically have a full security team or are struggling to get the right skilled people or are constrained by budget limitations then speak to us at Lions Europe. We can show you how to address the issues with a model that is particularly attractive for small to mid-sized organizations. We are able to tailor services within your budget without compromising on security and quality of service.
11 to 50 staff
Lynsec Cybersecurity Limited
Lynsec’s mission is to provide a continuous effort to protect the confidentiality, integrity and availability of your corporate resources and data. Achieving security for your corporate information assets and compliance with new regulations demand constant vigilance and knowledge of what to look for. Through each stage of the information security lifecycle, we help you prevent, detect, respond to, and resolve your enterprise security issues. Lynsec provides a comprehensive evaluation of an organization’s overall security posture. This helps in managing risk to potential security threats such as data breaches and unauthorized activity. This includes a review of existing security policies, procedures, controls and mechanisms in relation to best practices and industry standards. Our Security Assessment is performed by certified and experienced security professionals, Subject Matter Experts (SMEs) with a passion for identifying risks and protecting your company against potential threats to your company’s systems. Our turnkey service array include cyber security training, secure architecture development, intrusion detection, vulnerability assessments, central log collection, event alerting, system hardening, security assessments, configuration of firewalls rules, security lifecycle documentation development, risk assessments, and a full range of Professional Security Services Follow us on twitter @lynsectweets
1 to 10 staff
Melmac Solutions Limited
Melmac Solutions conducts confidential investigations using a variety of forensic tools including X-Ways Forensic, EnCase and FTK. Services include: Forensic data recovery and eDiscovery Data analysis and interpretation Employee breach of policy investigation Malware and intrusion analysis Hacker attack analysis and prevention advice Security planning, risk analysis and recovery planning Civil litigation, expert witness services Customers range from large corporate organisations to smaller commercial companies seeking, advice and support; from companies providing security solutions for government and law enforcement to expert witness services.
1 to 10 staff
Metaluxo Information Security
Metaluxo Information Security is a small security consultancy providing services of virtual / interim CISO (Chief Information Security Officer) as well as executive security consultancy and ISO27001 audits.
1 to 10 staff
Microcosm Ltd
Microcosm is a software company that specializes in computer security. Our specialties include Identity & Access Management, Multi-Factor Authentication and Software Anti-Piracy.
1 to 10 staff
National Cyber Scholarship Foundation
Identifying aptitude. Uncovering hidden talents in students who may not otherwise consider the cybersecurity profession. Nurturing potential. Free intensive training provided by the global leader in cybersecurity training and certification. Empowering excellence. Rewarding the top performers with financial incentives to support future cybersecurity study. The National Cyber Scholarship Foundation is a 501 (c)(3) charitable foundation created to help the United States close its critical cybersecurity skills gap. The only known defense against sophisticated cyber attacks is cybersecurity professionals with extraordinary talent and advanced training that enables them to defend systems in real time against determined adversaries. Other nations have a huge headstart in developing people with those skills. The National Cyber Scholarship program and CyberStart America are designed to enable the United States to catch up quickly.
11 to 50 staff
Nv-Tech Ltd
NV-Tech Ltd have been trading since 2011 however don’t let that put you off us we have 25 years’ experience in the IT industry ranging from working with Apple to Wang and Audio-Visual to Storage solutions and at NV-Tech we have complete owner participation which means you will always get that VIP treatment. Our directors believe in a simple and professional approach when consulting with our clients and that means no sales fluff, its simple you tell us what you want to achieve and with our industry experience and knowledge we will find a way to deliver that solution or service to give you the desired results all within your budget.
1 to 10 staff
Ocean Digital Ltd
Network Security & Consultancy
1 to 10 staff
On Your Six
ON YOUR SIX provides on-demand sales & marketing expertise to the cyber security industry. We use deep industry expertise and experience to help solve challenges faced by organisations trying to grow their cyber security businesses in the UK and the rest of EMEA. Services are provided in two ways - through a virtual CMO (vCMO) service or through defined consultancy engagements. Our vCMO services seeds an expert retained for a defined number of days on a weekly, monthly or quarterly basis. This may be to support a particular project, function or service line. Defined consultancy projects are typically bespoke to customer challenges focused on go to market strategy, marketing and sales. Common challenges we support: Go to Market - How should we take our offering to market- How should we enter the UK / EMEA market with our offering- How should we prioritise our service/product offering- What geographic markets should we focus on? Marketing - How are we going to take our company/service/product to market- Is our current marketing capability effective- How should we promote our offering- Who is our target market and how do we engage them- Is my marketing spend getting results- We are generating leads, but not business. How do I support conversion? Sales - How can we improve our sales strategy- How can we align sales & marketing better- Is our inside sales team effective- Does our sales cycle / motion match our clients buying process?
1 to 10 staff
Onion Security Ltd
Onion Security Ltd is a London-based information security consultancy with 20 years of experience in cybersecurity for financial services. Our focus is the security and continuity of operations—we understand the demands placed on technology teams and are here to help. We support UK fintechs and investment firms in achieving and maintaining continuous compliance with ISO 27001, SOC 2, GDPR, and other regulatory frameworks. As a certified Vanta Partner and CISSP-led team, we offer hands-on support with certification readiness, policy development, risk management, and virtual CISO services. Whether you're launching a startup or scaling into regulated markets, we act as an extension of your team—ensuring you're audit-ready, client-confident, and resilient to risk. Core Services: • ISO 27001 & SOC 2 Compliance • Vanta Implementation & Trust Centre Setup • Virtual CISO & GRC Leadership • Risk Assessments & Policy Development • Penetration Testing via Trusted Partners • Continuity & Recovery – Build resilience through BIAs and DR planning Book a free consultation at
1 to 10 staff
Ormit Solutions Ltd
Ormit Solutions is a local Information Technology based in Leyland, providing Web Development, Computer Support and Bespoke Application Development, Cloud bassed Wireless Lan's to small and large business customers in The North West and the surrounding area. We aim to provide service that you can trust – from a friendly face! What sets us out from the rest? Well, Ormit Solutions talented support team has over 12 years of top level support in public sector companies, providing support in high pressure time critical environments. We take pride in our friendly easy to understand approach – IT can be a world of buzz words, acronyms and jargon. We want to cut through all of the technical speak so that you understand your IT systems. We want to give you the knowledge you need to understand exactly what you require to get the most from your system. At Ormit Solutions, it’s not all about the bottom line – we want the service we provide you with to be excellent value for money, and for the work we carry out to stand the test of time. Our team boasts a wide array of skills including (but not limited to): •General IT support •Wireless Networks •VPN Wide Area Networks •Voip •Fax over Voip •EPOS •Web S
1 to 10 staff
