Penetration Testing Services

Fast, intelligent, CREST-accredited AI-Augmented pentesting with our all-in-one platform. Quote, configure, and book in under 60 seconds to secure your assets, reduce risk, and meet compliance with expert insight and AI-powered efficiency built in.

CREST Approved Testing -Trusted by global brands

Our Approach

Our reimagined penetration testing combines AI-powered automation, expert human insight, and streamlined workflows. The result? Faster, deeper, and more efficient testing, all managed in one place.

Platform Layer

Our intelligent platform gives you full control over your security. From quick quoting and scheduling to integrations, reporting, and retest workflows, everything is designed to save you time and reduce overheads.

Instant quoting and booking

Real-time reporting

Seamless integrations

Retesting built into your existing workflows

Automation layer

AI and software handle the heavy lifting. They scan your external assets, identify low-severity vulnerabilities, and write reports so your team and our experts can focus on what matters most.

Continuous scanning and enumeration

AI-powered vulnerability detection

Automated verification of risks

Report generation and formatting

Human testing layer

Our experienced testers dig into the complex, high-impact vulnerabilities that automation can’t find. From business logic flaws to strategic recommendations, this is where the real value lies.

Deep analysis of critical systems

Manual business logic testing

Advanced exploit techniques

Clear, prioritised remediation guidance

CREST-approved penetration testing

We follow a CREST-approved methodology that blends automated efficiency with expert manual testing. Every assessment is carried out to a consistently high standard, giving you confidence in the results and alignment with industry-recognised best practice.

  • Quality assured process
  • Standardied methodology
  • Ethical testing practices
  • Industry best practices

"Our automated and AI-assisted approach complies with all CREST requirements, ensuring you receive a penetration test that meets the highest industry standards while benefiting from the efficiency of our innovative methodology"

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Benefits of our penetration testing service

Discover why our user-friendly platform and consultative approach make pentesting hassle-free.

Fast turnaround

Book online instantly

On average get results 30 days faster than industry standards

Meet urgent compliance and client demands

Real-time reporting

Report findings in as little as 8 minutes

Start remediating critical issues immediately

Reduce your vulnerability window

Expert support

Work directly with CREST-accredited UK-based testers

Chat directly with testers in the platform

Get quick responses and benefit from our consultative approach

User-friendly platform

Navigate easily through your projects

Access all information in one place

Schedule and manage testing effortlessly

Flexible for all

Ideal for startups seeking funding

Suitable for enterprises with regular testing requirements

Perfect for companies onboarding large clients

Transparent pricing

Pay only for the hours you need with free retesting within 7 days

No hidden fees or minimum charges

Save time & increase efficiency allowing you to focus efforts elsewhere

Types of penetration testing

Find the penetration test to best suit your business and cybersecurity needs.

Web Application

Uncover and fix critical vulnerabilities in your website before hackers do. Our experts simulate real-world attacks to identify weaknesses in your web applications.

Mobile Application

Secure your iOS and Android apps against potential breaches and data theft. We rigorously test your mobile applications to ensure they're safe for users and your business.

Cloud security

Expose and plug security holes in your cloud infrastructure to prevent data leaks. Our Cloud pentests assess your entire cloud environment for potential vulnerabilities.

Quick, high-quality pentests

Discover why our user-friendly platform and AI + human approach make pentesting hassle- free.

  • Flexible subscription plans
    Simplify your testing and monitoring with a single monthly payment, combining regular penetration tests and continuous vulnerability scanning. Get predictable costs while receiving ongoing protection.
  • Instant quote & customised plans
    Receive a real-time, personalised cost estimate through our intuitive platform. Tailor your testing needs with configurable options that suit your business goals and security requirements.
  • Effortless platform access
    No more long scoping processes. Book tests directly through our platform or get personalised assistance from our sales team. Enjoy streamlined communication and automated workflow notifications for maximum efficiency.
  • Continuous, real-time testing
    Stay informed with real-time progress notifications and direct communication with testers via in-platform comments. Benefit from ongoing vulnerability assessments to proactively detect and address risks.
  • Immediate, actionable reports
    Access your findings instantly through our platform. Generate detailed reports at any time, offering both technical insights and high-level summaries—without the wait.
  • Free retests for resolved issues
    Once you’ve addressed vulnerabilities, we’ll retest them for free within a flexible window, ensuring your systems remain secure at no additional cost.
  • Ongoing protection & threat intelligence
    Sign up for continuous monitoring to access automated vulnerability scanning, along with situational awareness through threat intelligence, ensuring your defences stay up to date year-round.
Pentesting with OnSecurity process

Simple integration with your workflow apps

Ready to experience the future of pentesting?

Discover how combining expert insight with automation leads to faster, more precise, and high-impact penetration testing.

“What sets OnSecurity apart is how flexible their platform makes pentesting. They are much less rigid around rescheduling and willing to work in small chunks during the build cycle. This ability to call on them as-and-when made them feel part of the dev team.”

Ben Francis, Head of Security & Operations

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Frequently Asked Questions

Got a question you need answering? Our FAQs should help guide you

What is penetration testing?


What’s the difference between manual and automated pentesting?


Do I need a penetration test?


What should I get pentested?


How much does a pen test cost?


What's the difference between vulnerability scanning and pentesting?


How many scoping questions do you ask? / How do you scope a pentest?


Are your pentests disruptive? Can I continue working while the test is being done?


Can I speak to my tester directly?


How can I be sure my test is cost effective?


When will I be notified of findings?


Do you offer free retesting?


How long does a pentest take?


What if I need to cancel or reschedule a test?

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