Cloud Security Providers Archives

Top 20 Cyber Security Service Providers in the UK

Chinmay Choudhary / May 27, 2025

Cyber security is no longer an afterthought—it’s a business imperative. With ransomware, data breaches, and state-sponsored cyber attacks on the rise, UK cybersecurity companies are investing heavily in state-of-the-art cybersecurity services to safeguard their digital assets. As a new business or an established multinational, having a suitable cyber security company by your side can be a game-changer. Here’s a specially curated list of the UK’s best 20 cyber security service providers that offer simply great protection, regulatory guidance, and technology innovation. Why Finding the Right Cybersecurity Partner Is So Crucial The UK is faced with a more fragmented set of cyber threats. From phishing remote employees to state-sponsored breaches into life-critical systems, the battle is now highly advanced. Returning to relying on internal IT assets or old software is no longer adequate. Choosing a suitable cyber security service providers involves: With cyber-attacks already running UK businesses billions of pounds annually, recruiting a star and vision-led cybersecurity partner is one of the most strategic steps you can take. Most Trusted Cyber Security Service Providers of 2025 As cyber attacks get more complex and regulatory environments (including GDPR and the NIS Regulations) become tougher, the need for trustworthy cybersecurity service providers in the UK keeps growing. From managed security services to exclusive penetration testing, companies are progressively looking for proactive cybersecurity solutions that provide strong defense. 1. Qualysec – The Trusted Offensive Security Partner Headquarters: UK & India Specialties: Penetration Testing, Vulnerability Assessment, Compliance, Security Consulting Qualysec is one of the fast-growing cybersecurity companies that provide very technical and customized security testing solutions to start-ups, business firms, as well as government agencies in the UK. With a keen focus on manual pen testing, they are equipped with the ability to discover complex vulnerabilities that automated testing tools cannot identify. Key Services: Qualysec’s customer-driven methodology ensures actionable advice and remediation guidance—not reports. Without false positives and real-time turnaround, Qualysec is changing cybersecurity service quality. Want to see a real pentesting report? Download one here now! Latest Penetration Testing Report Download 2. Darktrace Headquarters: Cambridge, UK Specialties: Autonomous Response, AI-powered Threat Detection Darktrace, launched in 2013 by AI and cyber security experts, utilizes self-evolving AI to detect and respond to real-time cyber threats. Their ActiveAI Security Platform provides end-to-end security within cloud, email, network, and OT environments. 3. NCC Group Headquarters: Manchester, UK Specialties: Cybersecurity Consulting, Software Escrow, Managed Services NCC Group is a worldwide cyber resilience expert that offers penetration testing, risk management, and compliance. With over 15,000 global customers, it has a clientele from diverse sectors such as finance, healthcare, and government. 4. BAE Systems Applied Intelligence Headquarters: London, UK Specialties: Threat Intelligence, Data Analytics, Cyber Defense A BAE Systems subsidiary, this business sells premium cybersecurity solutions, like threat detection and prevention, to large corporations and governments. The solutions are built on the security needs of the military. 5. Sophos Headquarters: Abingdon, UK Specialties: Endpoint Protection, Network Security, Managed Detection and Response Sophos boasts a broad range of cyber security solution providers from antivirus, firewall, and encryption to more converged security solutions. It was acquired by Thoma Bravo in 2020 but has remained committed to its quest for innovation through offering converged security solutions. 6. BT Security Headquarters: London, UK Specialties: Network Security, Threat Intelligence, Managed Security Services As a subsidiary of British Telecom, BT Security provides end-to-end cybersecurity solutions utilizing its large infrastructure network to provide threat detection, incident response, and risk management solutions. 7. Netcraft Headquarters: Bath, UK Specialties: Anti-Phishing, Cybercrime Disruption, Web Protection Netcraft is a leading global cloud security vendor of cybercrime detection and data breach disruption services. It offer cybersecurity as a service to different serves like large banks, governments, and technology companies worldwide. 8. SafeToNet Headquarters: London, UK Specialties: Artificial Intelligence-Based Threat Detection, Child Online Protection SafeToNet harnesses the capabilities of Artificial Intelligence and behavioral monitoring in protecting children from abuse and cyberbullying on the internet. Its services are designed to detect and inhibit threats in real time. 9. Clario Tech Headquarters: London, UK Specialties: Consumer Digital Protection, Privacy Protection, cloud security service Clario Tech provides easy-to-use consumer security software with a concentration on security and privacy for devices and platforms. Their products are designed to be used daily and are easy and strong to use. 10. Nexor Headquarters: Nottingham, UK Specialties: Defense Sector Security, Secure Information Exchange Nexor is one of the best cyber security firms who provides high-assurance security solutions for safe data exchange, and their prime markets are defense and government. They provide safe data transfer and domain partitioning technology. 11. SenseOn Headquarters: London, UK Specialties: AI threat detection, artificial intelligence Cyber defense automation SenseOn offers a complete cybersecurity solution using AI to detect and respond to threats throughout the network, endpoints, and users. Their product is intended to simplify security operations and signal the end of alert fatigue. 12. Featurespace Headquarters: Cambridge, UK Specialties: Fraud detection, behavior analytics Featurespace uses adaptive behavior analytics to identify and prevent fraud in real time and offers services to industries like banking, insurance, and e-commerce via their ARIC Risk Hub platform. 13. Callsign Headquarters: London, UK Specialties: Identity Verification, Authentication Solutions One of cyber security service providers Callsign provides AI-based identity verification and authentication solutions that enhance security and user experience for digital channels for a broad range of industries. 14. Intercede Headquarters: Lutterworth, UK Specialties: Digital Identity, Credential Management Intercede is a technology firm offering digital identity solutions to ensure the safe management of credentials and authentication against data breaches and unauthorized access. 15. Adarma Headquarters: Edinburgh, UK Specializations: Managed Security Services, Threat Detection Best cyber security company Adarma offers managed security services like Security Operations Center (SOC) services and threat detection to various sectors to strengthen cyber resilience. 16. Becrypt Headquarters: London, UK Specializations: Secure Operating Systems, Endpoint Security Becrypt designs secure operating systems and endpoint security solutions, primarily for government and public sector clients with high-assurance security requirements. 17. Ripjar Headquarters: Cheltenham, UK Specializations: Data

Best cloud security company

Top 20 Cloud Security Company in London

Chinmay Choudhary / April 1, 2025

At a time when almost all businesses are tapping data storage, collaboration, or any other operating need on cloud infrastructure today, security is a must. As a global financial and technological hub, London has some of the best cloud security firms that provide state-of-the-art security solutions to protect sensitive data and regulation compliance. Get the penetration testing, threat intelligence, or security service you need for the cloud from a trusted cloud security company in London that can help keep you covered. Qualysec Technologies is here to talk about the top 20 cloud security companies in London with their cost-effective cloud security solutions for startups in London. Best Cloud Security Companies in London 1. Qualysec Technologies Qualysec Technologies offers a premier cybersecurity framework for cloud computing in London that provides the very best in cloud solutions to the idiosyncrasies of cloud space. They are best in comprehensive risk assessment, proactive threat detection, ironclad data protection strategies, and maintaining compliance at all times. Thus, Qualysec helps businesses pave their path to the cloud by offering bespoke security frameworks, and advanced security monitoring with the full scope of incident response services. As a client-centric cloud security company in London with an in-depth understanding of the evolving threat landscape, they are a trusted partner to organisations that wish to strengthen their cloud presence. 2. NCC Group The cloud security services offered by NCC Group are very broad, ranging from in-depth penetration testing to identify vulnerabilities, and entire security assessment of cloud configuration, to advanced managed detection response (MDR) services specifically developed for multi-cloud and hybrid environments. 3. PwC PwC assists organizations in developing a cloud security strategy, completing risk assessments, and implementing appropriate security controls for main cloud platforms. Cloud security providers also offer incident services for the cloud, which help them have a seamless and effective response if the company encounters any security incident related to the cloud. 4. EY EY assists organizations in thinking through cloud security by providing strategic planning, designing a secure architecture, and implementing effective security measures. With its managed cloud security services, businesses can stay ahead of the game with continuous monitoring and reactive threat management. 5. Deloitte A global leader in professional services and a top cloud security company in London, providing all cloud security services. Deloitte supports an organization’s journey to the cloud by starting from creating an initial strategy to ongoing security management. Cloud security vendors specialize in threat modelling, secure cloud engineering, and continuous monitoring solutions to gain visibility and control in various cloud environments. 6. KPMG Their services include Cloud Security Risk Assessment, developing a security strategy in line with the business objectives, and implementing a tailor-made security framework. KPMG’s team helps London businesses integrate security and compliance in their cloud ecosystems to ensure that their cloud environment is resilient and secure. 7. BT Security Facilitated by BT Security, threat intelligence and security solutions that protect an organisation’s cloud infrastructure and critical data from cyber threats are provided. London companies could have businesses targeted by evolving cloud-based threats and can have support from the following services offered to them security monitoring, incident response, and proactive measures. 8. Vodafone Business Security The company’s Vodafone business security branch in London offers a variety of services for cloud environments. This includes the offer of cloud security services that are intended for management for the cloud, providing deployment of cloud security solutions that are cloud-native, and assistance in the management of compliance across cloud platforms for businesses to operate securely in the digital world. 9. BAE Systems Applied Intelligence With an incredible pedigree in threat intelligence, cutting-edge security technologies, an exemplary track record of incident response, and the very complex world of the cloud, BAE Systems Applied Intelligence is a complete package. By providing their expertise, London-based organizations are in a better position to solve more advanced and persistent threats in their cloud infrastructure. 10. Capgemini For different cloud platforms, such as the design of secure cloud architectures security assessments or implementation of managed security operations, Capgemini assists the organizations. Their expertise enables London businesses to build and maintain secure and resilient clouds. 11. IBM Security IBM Security offers solutions for the type of identity and access management for the cloud, robust data security tools, and advanced threat management in cloud environments designed to protect businesses with the enterprise strength of defense. 12. Accenture Security From risk management and cloud security strategy, Accenture Security provides people, innovation, and leading practices to implement and manage security controls on cloud platforms. They take a holistic approach, which enables organisations to secure their full cloud journey. 13. Trustwave Trustwave offers security monitoring and incident response, UK-based vulnerability management, and penetration testing services that are designed for cloud infrastructures for constant protection. 14. Sophos Specifically for cloud environments, Sophos offers cloud workload protection, cloud security management solutions, and network security for the cloud. However, businesses can use their products to proactively secure their cloud assets from threats in a wide range. 15. Check Point Software Technologies Advanced threat prevention, secure network, and workload protection in various cloud platforms are offered by Check Point. Their solutions allow for robust organizations with as many separate cloud deployments as they have. 16. Palo Alto Networks Utilising cloud security analytics, cloud network security and cloud workload protection, businesses are provided with solutions offered by Palo Alto Networks that help provide visibility and control of their cloud environment to prevent threats. 17. Trend Micro A global cloud security leader with a cloud security company in London that offers a variety of cloud security solutions. For different cloud environments, we provide workload security, container security, and comprehensive cloud security management. By providing their solutions, these organizations help automate and reduce the time taken to secure the cloud for organizations. 18. Darktrace UK-based Cloud Security Company provides services with the use of AI-powered technology in autonomous threat detection and response in cloud environments. The innovative approach taken by Darktrace allows businesses to see into their cloud infrastructure

Cloud Security Audit: A Complete Guide in 2025

Chinmay Choudhary / February 26, 2025

Cloud security audits are essential to protect cloud-hosted apps and data from unauthorized use and theft. Cloud providers put businesses on the same level by enabling them to host their data and apps in the cloud. However, some security issues are associated with agility. Cloud security breaches would be costly both financially and in terms of reputation and could mean losses that involve a lot of manpower to prevent. This blog will cover everything you want to know about cloud security and the audits performed to assess it. We will begin by discussing a cloud security audit, why it is needed, and what the steps are. Then, we will discuss some of the challenges of the cloud security testing process and how to select the right audit provider. What is a Cloud Security Audit? A cloud security audit examines an organization’s security controls to shield its data and other resources in the cloud. An external auditor carries out the audit, typically using different test cases and checklists to ascertain if the desired security posture is satisfactory. What Does “Security-in-the-Cloud” Mean? Cloud security is rooted in a model of shared responsibility between customers and cloud providers. Customers are held accountable for the security of their data and applications, while the security of infrastructure lies with the cloud providers. The table below will make you realize this more clearly. Type of Cloud Service Security Responsibilities of Cloud Providers Security Responsibilities of Clients Infrastructure as a Service (IaaS) Virtualization. Network, Infrastructure, Physical User Access, Data, Application, Operating System Platform as as Service (PaaS) Operating System, Virtualization, Network, Infrastructure, Physical User Access, Data, Application Software as a Service (SaaS) Application, Operating System, Virtualization, Network, Infrastructure, Physical User Access, Data 5 Reasons Why Cloud Security Audits Are Necessary Cloud security services have become the new norm for businesses of all sizes. It offers many advantages in terms of cost, scalability, and agility. However, the cloud also comes with some security challenges. For various reasons, it is necessary to evaluate the security health of your cloud environment and the data hosted on the cloud regularly. 1. Compliance With Regulations A cloud security audit determines compliance risk and recommends remediation. Businesses can differentiate themselves from their competitors by being compliant with regulations and establishing brand trust and credibility. 2. Data Security Cloud service security can assist in ensuring data confidentiality, integrity, and availability. They help organizations know their cloud environment and recognize potential threats. They also enable them to create the right controls to mitigate such threats. 3. Effectiveness of Security Controls Performing cloud security audits periodically tests the efficiency of your organization’s security controls. It allows you to confirm that your security controls efficiently identify and stop unauthorized access to information. 4. Prevent Data Loss Audits assist in measuring your organization’s risk for data loss and how susceptible you are to it. You would have to spot probable causes for data loss and address them first through the use of information from a security audit. 5. Enhance Security Posture The discovery of security control weaknesses allows an organization to review its cloud security posture and improve it where needed to avoid data breaches and attacks. How is a Cloud Security Audit Conducted? A cloud security network is done by a third-party independent, for example, Qualysec. The auditor will review the customer’s security controls and recommend improvements. The security audit process usually involves the following steps: Steps Involved in a Cloud Security Audit 10-Point Cloud Security Audit Checklist Here is a checklist used by the best cloud security firms upon an audit: Latest Penetration Testing Report Download Challenges Involved in a Cloud Security Audit There are serious challenges in performing security audits in cloud environments because they are dynamic, complex environments, and each cloud security providers have its own policies. 1. Constant Change Cloud security solutions are dynamic, and new services, features, and configurations are being released continuously. This is a challenge for auditing because all these changes need to be taken into consideration and properly integrated into the audit. 2. Diverse Security Policies Security policies of cloud services differ among providers. In selecting a cloud provider, you need to be extremely careful regarding the security tests you are provided with and make sure that the audited space does not contradict the terms of service of the provider. 3. Complexity and Scale Cloud structures tend to be large and complicated, consisting of multiple interdependent parts. One of the biggest security auditing challenges is that finding sufficient information for a decent audit can take a long time. 4. Differing Security Levels Companies can receive varying degrees of protection from cloud providers—basic and enterprise-level. This variation may make it difficult to confirm all possible risks and threats in the system, especially when you’re using several providers or services from one provider. Things to Look for in a Cloud Security Testing Firm Cloud security testing may be a long, tiring, and nerve-wracking process, given how much relies on it. You should hire assistance from auditors who suit your requirements the best. Following are certain qualities of the cloud pentest providers you need to explore: The cloud security test provider ought to possess automated and manual security test capabilities to perform a complete security audit. The security audit provider must be compatible with and aware of the cloud security policies imposed by your cloud service provider. Your security provider should provide guidance on the best cloud security practices, and your employees should undergo training. It’s easier to live with it if the audit vendor provides remediation assistance. The security audit company should assist you in preparing for the security compliances that you wish to attain. Cloud Security Testing With Qualysec Qualysec has established a benchmark in security scanning through its synergy of automated vulnerability scanning and pen cloud security testing. Qualysec is a robust, precise, and user-centric security solution provider for efficient cloud vulnerability assessment and penetration testing for AWS, Azure, or GCP.

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Top 20 Cyber Security Service Providers in the UK

Top 20 Cloud Security Company in London

Cloud Security Audit: A Complete Guide in 2025

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