Compare the Top Penetration Testing Tools in the UK as of October 2026

What are Penetration Testing Tools in the UK?

Penetration testing software tools enable security professionals to test applications and IT systems to identify vulnerabilities. Penetration testing tools, sometimes known as "pen testing" tools, can simulate a hack or attack in order to test the security of a given application or system. Compare and read user reviews of the best Penetration Testing tools in the UK currently available using the table below. This list is updated regularly.

  • 1
    Silent Armor

    Silent Armor

    Silent Breach

    Silent Armor is an AI-powered perimeter defense platform designed to predict and prevent cyber breaches before they occur. It continuously analyzes hundreds of security metrics across an organization’s attack surface to deliver real-time, intelligent protection. The platform combines predictive analytics, dark web monitoring, and threat correlation to uncover emerging risks. Agentless attack surface monitoring allows organizations to discover exposed assets without deploying endpoint software. Automated mitigation playbooks help neutralize threats directly from a unified dashboard. AI-generated daily security briefs provide executive-level insights and prioritized remediation steps. Built for CISOs, SOC teams, and MSSPs, Silent Armor transforms fragmented security data into proactive, actionable defense.
    Starting Price: $49/asset/month
  • 2
    Defendify

    Defendify

    Defendify

    Founded in 2017, Defendify is pioneering All-In-One Cybersecurity® for organizations with growing security needs, backed by experts offering ongoing guidance and support. Delivering multiple layers of protection, Defendify provides an easy-to-use platform designed to strengthen cybersecurity across people, process, and technology, continuously. Defendify streamlines cybersecurity assessments, testing, policies, training, detection, response, and containment in one consolidated and cost-effective cybersecurity solution. 3 layers, 13 solutions, 1 platform, including: • Managed Detection & Response • Cyber Incident Response Plan • Cybersecurity Threat Alerts • Phishing Simulations • Cybersecurity Awareness Training • Cybersecurity Awareness Videos • Cybersecurity Awareness Posters & Graphics • Technology Acceptable Use Policy • Cybersecurity Risk Assessments • Penetration Testing • Vulnerability Scanning • Compromised Password Scanning • Website Security Scanning
    Starting Price: $0
  • 3
    ImmuniWeb

    ImmuniWeb

    ImmuniWeb

    ImmuniWeb SA is a global application security company operating in over 50 countries, headquartered in Geneva, Switzerland. Most of ImmuniWeb customers come from regulated industries, such as banking, healthcare, and e-commerce. ImmuniWeb® AI Platform leverages award-winning AI and Machine Learning technology for acceleration and intelligent automation of Attack Surface Management and Dark Web Monitoring. The data is later leveraged for a threat-aware and risk-based Application Penetration Testing for web, mobile, and API security testing. ImmuniWeb is the only company that offers a contractual zero false-positives SLA with a money-back guarantee. ImmuniWeb’s AI technology is a recipient of numerous awards and recognitions, including Gartner Cool Vendor, IDC Innovator, and the winner of “SC Award Europe” in the “Best Usage of Machine Learning and AI” category. ImmuniWeb® Community Edition runs over 100,000 daily tests, being one of the largest application security communities
    Starting Price: $499/month
  • 4
    Saint Security Suite

    Saint Security Suite

    Carson & SAINT

    This single, fully integrated solution conducts active, passive and agent-based assessments while its extensive flexibility evaluates risk according to each business. SAINT’s impressive, flexible and scalable scanning capabilities set it apart from many others in this space. SAINT has partnered with AWS, allowing its customers to take advantage of AWS’s efficient scanning. Should subscribers prefer, SAINT also offers a Windows scanning agent. Security teams can schedule scans easily, configure them with considerable occurrence flexibility and fine-tune them with advanced options. As a vulnerability management solution, SAINT Security Suite’s security research and development efforts focus on investigation, triage, prioritization, and coverage of vulnerabilities of the highest levels of severity and importance. Not willing to settle for just blanket coverage and raw data, our analysts focus on developing tools for what matters to our customers.
    Starting Price: $1500.00/year/user
  • 5
    CyCognito

    CyCognito

    CyCognito

    Expose all the hidden security gaps in your organization using nation-state grade technology. CyCognito’s Global Bot Network uses attacker-like reconnaissance techniques to scan, discover and fingerprint billions of digital assets all over the world. No input or configuration needed. Uncover the unknown. The Discovery Engine uses graph data modeling to map your organization’s full attack surface. You get a clear view of every single asset an attacker could reach — what they are and how they relate to your business. Using CyCognito’s proprietary risk-detection methods, the attack simulator identifies risks per asset and discovers potential attack vectors. It doesn’t affect business operations and works without deployment, configuration or whitelisting. CyCognito scores each risk based its attractiveness to attackers and impact on the business, dramatically reducing the thousands of attack vectors organizations may have to those critical few dozen that need your focus
    Starting Price: $11/asset/month
  • 6
    Burp Suite

    Burp Suite

    PortSwigger

    Burp Suite is a leading range of cybersecurity tools, brought to you by PortSwigger. We believe in giving our users a competitive advantage through superior research. Each new edition of Burp Suite shares a common ancestor. The DNA running through our family tree represents decades of excellence in research. As the industry has shown time and time again, Burp Suite is the tool you can trust with your online security. We designed Enterprise Edition with simplicity as a top priority. Discover easy scheduling, elegant reports and straightforward remediation advice - all in one powerful package. The toolkit that started it all. Find out why Burp Pro has been the penetration testing industry's weapon of choice for well over a decade. Nurturing the next generation of WebSec professionals and promoting strong online security. Community Edition gives everyone access to the basics of Burp.
    Starting Price: $399 per user per year
  • 7
    SecurityHQ

    SecurityHQ

    SecurityHQ

    SecurityHQ is a world leading independent Managed Security Service Provider (MSSP), that detects, and responds to threats, instantly. As your security partner, we alert and act on threats for you. Gain access to an army of analysts that work with you, as an extension of your team, 24/7, 365 days a year. Receive tailored advice and full visibility to ensure peace of mind, with our Global Security Operation Centres. Utilize our award-winning security solutions, knowledge, people, and process capabilities, to accelerate business and reduce risk and overall security costs. Most Popular Services: Managed Detection and Response (MDR) Endpoint Detection and Response (EDR) Managed Extended Detection and Response (XDR) Vulnerability Management Services Managed Firewall Digital Forensics & Incident Response Managed Network Detection and Response (NDR) Penetration Testing CISO as a Service
  • 8
    Kroll Cyber Risk
    We are the world incident response leader. Merging complete response capabilities with frontline threat intelligence from over 3000 incidents handled per year and end-to-end expertise we protect, detect and respond against cyberattacks. For immediate assistance, contact us today. Tackle every facet of today and tomorrow’s threat landscape with guidance from Kroll’s Cyber Risk experts. Enriched by frontline threat intel from 3000+ incidents cases every year, our end-to-end cyber risk solutions help organizations uncover exposures, validate the effectiveness of their defenses, implement new or updated controls, fine-tune detections and confidently respond to any threat. Get access to a wide portfolio of preparedness, resilience, detection and response services with a Kroll Cyber Risk retainer. Get in touch for more info.
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