Penetration testing that finds vulnerabilities before attackers do
Expert penetration testing that goes beyond finding problems.
Our CREST-certified UK team delivers business-focused reports with practical remediation guidance, because identifying your vulnerabilities is only half the battle.
We help you fix them.
Quick and efficent testing
Think like an attacker, protect like a pro
Turn findings into fixes and close your security gaps
Get remediation plans with clear priorities, ownership assignments, and step-by-step guidance that your team can implement today.
Get a fast penetration test quote
Fast-track your penetration testing
Audit-ready reports
Every test supports ISO 27001, Cyber Essentials, PCI DSS, SOC 2 and more with full evidence and reporting for audits and stakeholders.
No-nonsense scoping
Skip the endless back-and-forth. Get a clear test plan with transparent pricing that lets you move forward without delay.
Flexible testing on your schedule
Our UK-based team adapts to your operational needs. Led by our Director of Offensive Security, we work around your schedule, not the other way around.
What’s included in every Conosco penetration test
Web, network, mobile and cloud testing
UK-based CREST-aligned testers
Clear, prioritised risk findings
Remediation guidance that’s actually useful
Designed for resilience, built for compliance
Final report for all audiences
Understand the true cost of security breaches
Before investing in penetration testing, understand what a breach could really cost. Use our data-driven calculator to estimate the financial impact of downtime—from staff disruption to lost revenue and regulatory exposure.
This calculator gives you a clear, data-backed estimate of potential costs of downtime as a result of a breach or hack.
Total Estimated Cost:
Lost Revenue:
Staff Costs:
Reputational Loss:
Legal & Regulatory:
📈 Avg Recovery Time (with BCDR): 1.2 days
📉 Avg Recovery Time (no BCDR): 12.4 days
*Cost estimates use 260 working days/year and average salary £35,000. Reputational loss is 25% of lost revenue. Legal costs = £15,000 base + £1,000/day. Recovery times based on industry averages. Indicative only, not advice.
Penetration testing services built around your environment
Public-facing risk
We simulate real-world attack paths against your customer-facing applications, uncovering broken authentication, input handling flaws, insecure session management and misconfigured components mapped to OWASP standards and business impact.
Inside the network
We test your internal estate the way a ransomware actor would, identifying escalation paths, privilege abuse, AD misconfigurations and segmentation flaws that attackers exploit once inside the perimeter.
External exposure check
Opportunists and automated attacks constantly scan your internet-facing infrastructure. We help you find open ports, outdated services and misconfigurations before they do.
Native app testing
From insecure local storage to API abuse and reverse engineering risks, we test your iOS and Android apps using manual techniques tailored to your platform, business model and threat profile.
SaaS and IaaS audit
We assess the security of your cloud environment across identity, access, misconfigurations and exposed services, including common pitfalls in AWS, Azure and GCP deployments.
Social engineering test
Phishing simulations, payload drops and physical intrusion tests show how real users respond under pressure, helping you close security gaps in awareness, process and environment.
What makes our penetration testing service different
Not all pen tests deliver the same value. Here’s how Conosco stacks up against most UK penetration testing providers.