Qualysec

cyber security company

Cyber Security Companies in the London
cyber security service, cybersecurity company

Top 20 Cyber Security Companies in the London

The world today is powered by digital innovation; from the cloud computing era to the era of the Internet of Things, technology continues to evolve daily. Businesses are interested in implementing the latest technology in their workplace for increased productivity. Although technology improvement is always advantageous, it occasionally causes unwanted hassles if left unsecured. For its flourishing tech scene, there are numerous cyber security firms leading the way to protect against emerging online threats. The United Kingdom is one of the top destinations for cyber security buffs since it is home to the top firms in the industry. What are the criteria that enable a cybersecurity firm to join the top 20 on the list? Well, here in this blog, we are going to investigate that and see the top 20 Cyber Security Companies in the London. Parameters that Help Define the Best Cyber Security Companies Cyber security is a sector that has existed for a couple of years but has become extremely popular after the increase in cyber attacks. The pandemic of 2019 took it to the next level, and overnight, cyber security was all that every business was discussing. Well, with the demand being so high, several security firms emerged to protect the world from cyber-attacks. These firms were adjudged the best in the sector based on certain criteria and parameters. The parameters which assist in identifying the best cybersecurity firms are: Top 20 Cyber Security Companies in the London Firms that led the way with innovation in cyber security, stayed one step ahead of the threat landscape, brought cutting-edge tech to the mix, gave back to the international community through research, demonstrated their capabilities in given areas, etc., found their place in the top 20 cyber security companies. The top 20 have stood out through the parameters established, showcasing what makes them the cyber security avengers of London. Let’s take a closer look at each of these firms and what they have to offer. 1. Darktrace Darktrace is an expert in using artificial intelligence to detect and respond to cyber threats in real-time. It is well-known for providing cybersecurity artificial intelligence solutions to a wide range of cybersecurity issues, including threats to the cloud ecosystem, IoT devices, network infrastructure, industrial systems, etc. 2. Ernst & Young (EY) Ernst & Young (EY) provides a series of cyber security solutions, such as risk management, consulting, and advisory, guiding companies through the intricacies of cyber security. They aim to make a better working world and have been digital leaders in the battle against data privacy and other security matters. 3. PricewaterhouseCoopers (PwC) PricewaterhouseCoopers offers end-to-end cyber security solutions, with strategic guidance, risk management, and consulting that assist organizations in protecting their virtual assets. They are highly popular for acclimatizing businesses to the dynamic virtual environment. Their strengths lie in management, risk, and technological consulting. 4. GoAllSecure GoAllSecure is a premier world-class cyber security provider. Operating with a presence in Europe, the Middle East, and Asia Pacific, they evaluate organizations’ assets and identify sufficient solutions to remain strong against current threats, keeping cyber regulations in view. They concentrate on enhancing cyber security culture through new-age training solutions and simulations to assist organizations in developing a strong cyber security culture. 5. BAE Systems BAE Systems is in business to deliver state-of-the-art cyber security solutions, threat intelligence, and cyber defense to counter developing cyber threats. They are among the most sophisticated cyber security service providers. Their main objective is to deliver technology-led solutions to defense, aerospace, and security businesses. Latest Penetration Testing Report Download 6. Qualysec Qualysec is a cybersecurity firm that has a reputation for its vulnerability management and security test expertise. It is a provider of penetration testing services that enable organizations to know their potential areas of weakness within their systems. They are oriented towards process-driven and prevention-oriented methods of security testing. Location: London, London Year of Founding: 2020 Cyber Security Areas: Vulnerability management, security testing, and incident response. 7. SecureWorks SecureWorks is a part of Dell Technologies. It offers managed security services and threat intelligence to organizations all over the world. They deliver proactive cyber security solutions for advanced threat protection and response. They take pride in their high detection capabilities and unparalleled response times while handling cyber threats. Location: Atlanta, Georgia, USA Founding Year: 1999 Cyber Security Categories: Managed security services, threat intelligence. 8. Claranet Cyber Security Claranet Cyber Security delivers a range of cyber security consulting solutions including managed security services and consultancy. They help businesses to protect their digital infrastructure and meet their business goals. They have a global reach and are famous for their penetration testing, hacking training, and managed cybersecurity service  in London. Location: London, London Founding Year: 1996 Cyber Security Categories: Managed security services, consultancy. 9. NCC Group NCC Group is an actual global cyber security risk management and consulting leader. They provide diverse services to assist organizations in enhancing their security position. These services are assessment and advisory, detection & response, compliance and training. They also provide service to more than one industry across the whole world. Location: Manchester, London Founding Year: 1999 Cyber Security Categories: Cyber security consulting, risk management. 10. Kroll Kroll belongs to the family of companies at Duff & Phelps. It deals with cyber risk management and incident response and offers holistic solutions to counter and deflect cyber security threats. Besides that, they offer risk and financial advisory solutions to their clients founded on data analytics and their perspectives. Location: NY, NY, USA Founding Year: 1932 Cyber Security Categories: Cyber risk management, incident response 11. Clearswift Clearswift, similar to its parent organization Fortra, is a market leader in the cyber security space. It deals with data loss prevention, email security solutions, etc., to protect organizations’ sensitive data. They are reputed for their cutting-edge and scalable solutions to advanced cyber security issues. Location: Theale, London Founding Year: 1982 Cyber Security Categories: Data loss prevention, email security. 12. Sophos Sophos specializes in endpoint protection and encryption offerings, providing detailed

Penetration Testing
Penetration Testing

What is Penetration Testing in Cyber Security 2025

Penetration testing, also called pen testing, describes processes, tools, and services designed and implemented to simulate attacks and data breaches and find security vulnerabilities. You can run a pentest on a computer system, an entire network, or a web application.   The primary aim of a pentest is to identify vulnerabilities that attackers can exploit. There are various ways through which the identified vulnerabilities can be discovered. You can choose either manual pen tests, executed by a team of white hat hackers, or automated penetration testing, carried out by a software solution. Curious to learn more? Let’s dive in! What are the Benefits of Penetration Testing? Ideally, software and systems were designed to avoid hazardous security vulnerabilities in the design. A pen test shows how close it came to achieving that goal. Pen testing can help an organization in these ways:   Penetration Testing Process   The penetration testing involves the following five fundamental stages:   Penetration Testing Methods   Let’s dive deeper into penetration testing methods that ethical hackers use to uncover vulnerabilities effectively. 1. External testing External penetration tests target the assets of a company that is visible on the internet, for example, the web application itself, the company website and email, as well as domain name servers (DNS). The goal is to gain access to valuable data. 2. Internal testing In an internal test, a tester who has access to the backside of an application behind its firewall simulates the attack of a malicious insider. This is not necessarily simulating a rogue employee. An ordinary starting scenario may be a worker whose ID and password were stolen because of a phishing attack. 3. Blind testing In a blind test, only the name of the enterprise that is under attack is given to the tester. This provides security personnel with a real-time view of how an actual application assault would occur. 4. Double-blind testing Security personnel do not know what kind of simulated attack will occur in a double-blind test. Just as in the real world, they would have no idea when their defenses were about to be tested before a breach attempt occurred. 5. Targeted testing In this given condition, both the penetration tester and security personnel collaborate with each other and keep one another informed of their actions. It is very useful training in which a security team gets real-time feedback from a hacker’s point of view. Penetration Testing Tools Pen testers use a variety of tools to discover vulnerabilities. Some of the most popular tools are: Penetration testing companies are using large and complex business-critical operations, as well as custom components. Some penetration tests are necessary when the software under development is to handle sensitive data or assets such as customer information, financial assets, and transaction data. Sensitive sectors like the government, medical, and financial services industries are under high regulation; they thus require strong security measures.   cybersecurity Suppose the recent infiltration provides your organization with a rather unpleasant experience. In that case, pen testing will offer powerful insight into the loopholes through which the breach was made, along with suggestions on mitigating them. In addition to the detected vulnerabilities, which were perhaps not yet exploited, this is also advantageous in preventing other future attacks. Pen Test Challenges Though extremely rewarding, penetration testing comes with certain challenges:   1. Limited Pool of Experts: Trained and certified pen testers are high-demand specialists whose utilization can be challenging. 2. Constantly Evolving Threats: Cybercriminals are ever devising new ways in which to implement their campaigns, making it difficult for the pen tests to keep up. 3. Cost and Time: Conducting penetration testing typically takes time and financial resources and is a burden on small businesses. Real-World Cases of Online Penetration Testing Organizations resort to online penetration testing for large and complex business-critical operations; equally, for custom components, online penetration testing is aimed at developing software in situations involving the handling of sensitive data, extending from financial assets to customer information and transaction data. These sensitive clients include regulated industries such as government, healthcare, and financial services, and thus require state-of-the-art security measures.   If there was a breach in your organization, pen testing can help you examine the weaknesses that allowed the penetration and also provide suggestions on how to rectify those. Besides, you will find other vulnerable spots that were not exploited but still need to be secured to foil any future attempts of a breach. Penetration Testing Services automated penetration testingTwo types of penetration testing services include manual penetration tests and automated penetration tests.   Manual penetration is detailed, time-consuming, and mostly one of the oldest methods; it is always done by the outside contractor or security consultancy and always in agreement with the client on the scope of the testing engaged in. A certified ethical hacker, after an agreement with the contracted organization, attempts to seek internal and external weaknesses and tries to break into the organization’s computer systems within that testing scope and creates a report detailing the findings along with recommendations to fix the flaws found.   In Penetration Testing as a Service (PTaaS), the modern model combining automated frameworks seeking vulnerability testing across organizations is evolving. Thus testing with PTaaS software makes ease of access to the penetration testing-and it uses newer technologies like vulnerability scanning, dynamic application security testing (DAST), and fuzzing. PTaaS operates employing a mix of algorithms and technologies to allow super testing for finding security weaknesses and attempts to exploit them-without human assistance. Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business. Schedule a Call How Frequently would you do the Pen Testing? The frequency of penetration testing depends on your industry and its risk level. Generally, experts recommend:   Conclusion Penetration testing is a crucial element of cybersecurity companies. Simulating real-world attacks helps organizations build their defenses, regulate sensitive information, and establish trust with stakeholders alike. Whether one is a small startup or a multinational corporation, pen

Cyber Security Companies in India
Cybersecurity Companies

Top Cyber Security Companies in India

Did you know that India faced over 18 million cyberattacks in the first quarter of this year alone? Today, when threats are growing exponentially, cybersecurity is no longer just an optin for businesses, it is a necessity for them. Whether protecting personal data, securing corporate networks, or safeguarding national infrastructure, cybersecurity plays a significant role in any digital ecosystem. In this blog, we will explore why cybersecurity is essential, understand its importance in protecting digital assets, and take a closer look at the top cyber security companies in India making a global mark in this field. Why Cybersecurity Matters More Than Ever Cybersecurity refers to the practice of protecting digital systems, networks, and data from unauthorized access, theft, or damage. You need to acknowledge the fact that we are living interconnected world, where everything from personal communication to critical government operations happens online. The stakes are so high that everything is at the edge of being hacked by unethical people who just looking for a single chance. Cyberattacks are becoming more frequent and sophisticated, ranging from phishing scams and ransomware to state-sponsored cyber warfare. The consequences of these attacks include: Financial losses for businesses and individuals. Break of trust and reputational damage. Compromised privacy and stolen identities. Disruption of essential services and infrastructure. In this situation, the role of cybersecurity companies becomes crucial to protect not only businesses but also the economy and society at large.   Explore Customized Cybersecurity Solutions for Your Business Today! How to Choose the Right Cybersecurity Company? When selecting the most trusted cybersecurity firms in India, consider the following factors:   Expertise: Their experience and expertise matters as much as their claims to specialize in the type of security you need, such as network security, penetration testing, or compliance. Reputation: Check reviews, testimonials, and case studies. Technological Edge: Are they using advanced tools and techniques? Is there anything else they claim to do just to ensure that they are best in the industry?  Customization: Do they offer custom solutions for your specific industry? If you have some specific requirements to ask from the company, just do it right away!   Take the first step toward protecting your business by scheduling cybersecurity audit with us. Top Cyber Security Companies in India India is home to several world-class cybersecurity companies. Here’s a list of the top players, along with their unique strength 1. QualySec Technologies   QualySec Technologies is redefining cybersecurity with its exceptional focus on precision, innovation, and client-specific solutions. Recognized as one of the top cyber security companies in India, QualySec stands out for its expertise in penetration testing and vulnerability assessments. We perform cybersecurity processes for diverse industries such as fintech, SaaS, eCommerce, AI-driven platforms, and healthcare. We have specialization across different domains: Web Application Penetration Testing Mobile App Penetration Testing Cloud Security Testing API Penetration Testing IoT Security Testing Blockchain Penetration Testing Unlike traditional approaches, QualySec creates customized pentesting strategies tailored to your company’s unique requirements. From vulnerability detection to actionable recommendations, we go beyond merely identifying risks, we also assist you in empowering your defense systems.   We have expertise in advanced tools and a highly skilled team of ethical hackers. Our client-focused approach helped us to become scalable and adaptive so that we can help startups, SMEs, and large enterprises alike. From proactive risk assessments to post-implementation monitoring, QualySec is a one-stop destination for all cybersecurity needs. What Sets QualySec Apart? With a proven track record of strengthening businesses globally, QualySec Technologies is not just another cybersecurity service provider; it is a trusted partner in building strong digital ecosystems. Our firm dedication to innovation and precision positions us as a top contender in the cybersecurity domain. Qualysec ranks among the cybersecurity companies with the highest user satisfaction ratings in India.   Book a Cybersecurity Risk Assessment Now! Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business. Schedule a Call 2. Tata Consulting Services (TCS)    TCS remains a global leader in cybersecurity, leveraging its deep expertise in threat detection, compliance, and enterprise risk management. Known for its end-to-end security solutions, TCS offers cutting-edge services in areas like vulnerability assessment, data protection, and AI-driven threat analysis. Its robust global delivery network ensures businesses worldwide can safeguard their digital ecosystems effectively. 3. Infosys   Infosys is one of the best cyber security service providers in india, excels in providing innovative, scalable, and comprehensive cybersecurity solutions. With a focus on AI-enabled threat intelligence, Infosys empowers enterprises to detect, mitigate, and prevent sophisticated cyberattacks. Their global presence and expertise in securing sensitive data across sectors like finance, healthcare, and retail make them a trusted partner for cybersecurity transformation. 4. Wipro    It is well known as one of the leading cybersecurity firms in India. Wipro’s cybersecurity services stand out for their adaptability and use of advanced technologies like machine learning and blockchain. Offering everything from endpoint security to cloud protection, Wipro tailors its solutions to combat dynamic cyber threats. Their proactive approach ensures resilience for organizations navigating the digital landscape. 5. HCL    HCL Technologies – cyber security providers in india, combines innovation with a proven track record in securing digital infrastructures. Their Cybersecurity Fusion Centers provide 24/7 monitoring, threat hunting, and incident response. Specializing in end-to-end IT security, HCL offers solutions that address unique business challenges while ensuring compliance with global regulations. 6. IBM  IBM leads the cybersecurity industry with its robust suite of services, including advanced threat intelligence, AI-driven analytics, and endpoint protection. With offerings like IBM QRadar and X-Force Red, the company delivers proactive security measures to prevent data breaches and enhance organizational resilience. IBM’s global expertise makes it a trusted ally in combating modern cyber threats. 7. Tech Mahindra    Tech Mahindra is among the leading India cyber security companies. It’s cybersecurity services emphasize tailored, industry-specific solutions. From risk management to incident response, their offerings incorporate cutting-edge technologies like zero-trust frameworks and blockchain security. With a global footprint and commitment to innovation,

Scroll to Top
Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert

“By filling out this form, you can take the first step towards securing your business, During the call, we will discuss your specific security needs and whether our services are a good fit for your business”

Get a quote

For Free Consultation

Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert