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Cyber Security Companies in London
Cyber security

Top 20 cyber security companies in London, 2025

Cybersecurity is one of the most hotly contested topic in today’s time. Each and every industry in the market are adapting the cybersecurity as a strong base to make their functions more robust. As much every corner of the globe requires cybersecurity, here we come up with the top 20 cyber security companies in London seeing the year 2025! The Top 20 Cyber security Companies In London 2025! 1. Qualysec Qualysec Technologies, a top cybersecurity organization founded in 2020, has rapidly expanded to emerge as among the largest and most renowned in the field of cybersecurity in London. The company is a major cybersecurity firm due to its unique expertise and expertise in secure monitoring techniques. Qualysec professionals can help find flaws that could be leveraged by hackers. Following, identifying these flaws, Qualysec works with the organization to develop a strategy to address them and improve the company’s security in basic compliance. Amongst the many functionalities, the firm also offers:   Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business. Schedule a Call 2. First Response Leading cybersecurity consulting firm First Response provides an extensive variety of amenities to shield European companies and organizations from online attacks. They are skilled in online forensics and crisis management, looking into and handling hacking attempts, online attacks, and different risks.   To further guarantee the safety of the customer’s systems and private data, they also offer solutions like risk assessments, penetration testing, and regulatory consultation. The organization employs subject-matter specialists who remain on call around the clock to help customers. 3. ITCSecure London, UK-based ITC Secure is a top cybersecurity company with an advising focus. To protect infrastructure, systems, and confidential information from cyber crimes, they offer safety consultation, penetration testing, incident response, and managing compliance.  The professionals on the organization’s staff have a wealth of cybersecurity expertise. By instruction and research, they are committed to assisting organizations in staying up to date on the most recent dangers and optimal procedures. ITC Secure, which has an image for providing outstanding solutions and an unwavering emphasis on client satisfaction, combines the brightest brains in safety and cutting-edge technology to support company success. They also have ISO 27001 and CREST certifications, which guarantee that operations meet the requirements of the sector 4. Urban Network Established in 2002, London-based Urban Network is a supplier of professional information technology services. They deliver a variety of cyber security solutions that are customized to meet the specific requirements of every customer, such as incident response, penetration testing, cyber-attack data, and security evaluations. They have joined up with leading IT companies to provide fully-managed support for any need and are dedicated to creating distinctive approaches that satisfy the unique requirements of every customer.  To keep on the forefront of the IT industry and guarantee that customers remain safe from the newest threats from hackers, the business’s employees receive regular instruction. 5. Crossword Cybersecurity London-based Crossword Cybersecurity is the best cyber security service provider that specializes in offering an extensive variety of services for companies of every size. Companies use a mix of individuals, processes, and equipment to guarantee the greatest level of safety since they recognize how important it is to secure organizations. A comprehensive security measure is offered by the business’s skilled advisory staff, management services, and SaaS products. In order to integrate the most the most recent findings into its goods and services, Crossword works with top UK universities. The strategy and risk control, the protection of supply chains, malware detection and its reaction, and managing digital identities are just a few of the security domains in which the company specializes. 6. Sophos Founded in 1986, Sophos is a multinational technology company that specializes in offering cyber threats and complete safety measures to shield companies and organizations from online dangers. Complete from start to finish protection, identification of malware and elimination, information safety tracking and leadership, software elimination and safety, proactive attack reply, web-based antivirus programs, private clouds, and anti-intrusion systems are just a few of the many services that the organization provides. In order to remain aware of possible attacks and protect the information of its customers data, Sophos is also renowned for its proficiency in immediate tracking of hackers to be risks, or cyberattacks that weren’t seen previously. 7. Fortinet Having a worldwide network and a track record for being one of the biggest cybersecurity assessment suppliers worldwide, Fortinet is a top supplier of cyberspace safety goods and services. The Fortinet FortiGate firewall, FortiWiFi wireless protection, and Fortinet iCloud cloud solutions are just a few of the numerous options they provide to shield companies from threats. These solutions are designed to assist companies in identifying, thwarting, and preventing cyberattacks, protecting their critical information and company procedures. The items included in Fortinet’s suite are made to offer a complete defense from a variety of online dangers, such as spyware, network-based attacks, sophisticated recurrent threats, and legal and governmental demands. 8. Akamai Multinational cloud computing firm Akamai offers creative ways to assist companies in safeguarding their information. Content Delivery Networks (CDNs), Safety Pathways Endpoint Privacy Options, Secure Cloud Solutions, and Global Image Management are just a few of the goods and services they provide. Akamai lowers total costs while assisting companies in swiftly implementing the best safety measures for their requirements. 9. Arxan For more than 20 years, Arxan, a world pioneer in security measures, has remained at the leading edge of defending businesses against the most recent online dangers. Their extensive array of commodities and amenities enables companies to protect their information and processes from cyberattacks. The Singapore Exchange content safety device guarantees the safety of private information both in movement and at idle; the ProtectIQ cloud safety structure offers you full oversight into all facets of the online action; the Protected Data Platform (PDP), gives you authority over the safety of responsive information in the cloud; and the Arrest Force detection system, which blocks unwanted traffic via

What is VAPT Testing_ Types, Benefits, and Process
Cyber Crime, VAPT, VAPT for Cybersecurity

What is VAPT Testing? Types, Benefits, and Process in the USA

Last year, a data breach of an organization cost $4.45 million on average, with over 2,365 cyberattacks globally. This is a 72% increase since 2021. If you are running a business that operates digitally, you might be the next victim of a cyberattack. To prevent this, you need to conduct a vulnerability assessment and penetration testing (VAPT) on your IT infrastructure. Performing VAPT testing on your network, applications, and other digital assets will help you identify potential vulnerabilities and enhance your current security measures. In this blog, you will learn about VAPT testing, why businesses need it, and what are its processes. If you want to continue your business operations smoothly, this blog is going to help you! What is VAPT Testing? Vulnerability assessment and penetration testing (VAPT) is the process of finding and exploiting all possible vulnerabilities in your IT infrastructure, with a final goal to mitigate them. VAPT is done by cybersecurity specialists or ethical hackers who are experts in offensive exploitation. Simply put, businesses hire VAPT companies to hack their own systems in order to find security flaws before real hackers do. It also helps organizations to comply with various industry standards throughout the year. The VA in VAPT – vulnerability assessment involves specialists using automated tools to find potential vulnerabilities on the surface level. Followed by PT – penetration testing is a comprehensive testing process that involves ethical hackers manually trying to find vulnerabilities that real hackers could exploit for unauthorized access and data breaches. Together, they offer an in-depth analysis of your current security strengths and suggest methods to improve them. Why do you Need VAPT Testing? Conducting VAPT testing regularly has tons of benefits for your business. Here are some important ones: 1. Complete Security Evaluation Combining vulnerability assessment and penetration testing offers a multifaceted approach that helps you evaluate the current security measures of your IT structure. It shows how resilient your network and applications are against cyberattacks and where the security flaws lie. 2. Identify Potential Vulnerabilities VAPT involves using automated tools and manual penetration testing methods whose sole purpose is to find where the vulnerabilities are present. Additionally, VAPT service providers also provide methods to fix those vulnerabilities. As a result, businesses can secure their sensitive data and digital assets before real hackers breach them. 3. Comply with Industry Standards Many industry regulations and compliance standards require organizations to perform regular security testing on their applications to keep customer information safe. Not complying with these standards would result in legal penalties and fines. VAPT reports help ensure you meet these requirements with ease. Some of the most popular compliances are GDPR, PCI DSS, SOC 2, ISO 27001, HIPAA, etc. 4. Prevent Multiple Business Losses Cybercriminals attack businesses for mainly two purposes – steal data or steal finances. Sometimes also to disrupt business operations. Hackers will easily infiltrate your systems and get what they want if there are any weak points. As a result, the losses could be huge amounts of sensitive data and millions of dollars. 5. Maintain Trust with Customers and Stakeholders Even a small breach in your business can break the trust of your customers and stakeholders. By conducting VAPT testing, you can show your commitment to data and asset security. As a result, it builds confidence among your customers and vendors that their data is safe from online dangers.   Do you also want to test your business applications and network for vulnerabilities? Qualysec Technologies provides process-based VAPT services that will keep your organization secure from evolving cyber threats Contact now and get amazing offers! Talk to our Cybersecurity Expert to discuss your specific needs and how we can help your business. Schedule a Call What is the VAPT Testing Process While different VAPT service providers have their specific ways of conducting, the basic process remains the same. The VAPT process starts with gathering information about the test environment and ends with report submission. Here is the entire process: 1. Information Gathering The 1st step of VAPT testing involves gathering as much information about the application or system being tested, either from the client itself or publicly available web pages. 2. Planning In the 2nd step, the VAPT service provider defines the test’s scope, goal, and strategy. The cybersecurity specialists will then tailor their approach to target specific vulnerabilities and cyber threats to find security weaknesses. 3. Automated Vulnerability Scans Here the VAPT provider will use automated tools to scan the application to find vulnerabilities on the surface level. This is a quick process of finding vulnerabilities. However, since automated tools follow a specific scanning script, this method may not provide you with all the vulnerabilities present. 4. Manual Penetration Testing This is the stage where in-depth security testing happens. In this stage, cybersecurity specialists or ethical hackers use manual techniques to simulate real cyber attacks on the test environment, to find potential vulnerabilities. Since it uses the human touch, it helps discover hidden vulnerabilities and security flaws. 5. Reporting The report is the only thing the organization’s developers want, to secure the digital assets. The VAPT provider then documents all the vulnerabilities found in the process and even steps to fix them. Want to see what an actual VAPT report looks like? Just click the link below and download one right now! Latest Penetration Testing Report Download 6. Remediation If needed, the VAPT provider can assist the developers with the remediation process online or through consultation calls. 7. Retest This is something that organizations look for when choosing the best VAPT testing provider. After the organization has completed remediation, the testers retest the application to confirm whether the vulnerabilities are successfully eliminated. 8. LOA and Security Certificate After the elimination of the vulnerabilities, the service provider, provides a letter of attestation (LOA) and security certificate. This proves that you have successfully conducted VAPT testing on your application, and it is now absolutely safe. 6 Common Types of VAPT Testing 1. Organizational Penetration Testing Organization penetration testing

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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”

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Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert