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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.

Get a fast penetration test quote

Why speed and clarity matter when you’re ready to act

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


Estimate the cost of inaction

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.

3 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.

Target the areas that matter most

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.

Access
Sessions
Input

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.

Lateral
Domain
Privilege

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 We help you find open ports, outdated services and misconfigurations before they do.

Ports
Patch
Surface

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.

Tokens
Storage
Reverse

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.

AWS
Azure
GCP

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.

Phish
Tailgate
Awareness

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.

Features
Conosco
Typical MSSP
UK-based, in-house testing team
✅ CREST-certified experts under one roof
⚠️ Outsourced or white-labeled testing, often offshore
Time to proposal
✅ Fast contact with no delay
⚠️ Slow to respond, passed from department to department
Compliance integration
✅ Mapped to ISO 27001, Cyber Essentials & more
⚠️ Not always mapped to standards
Stakeholder clarity
✅ Executive summary for non-tech teams with strong understanding of business goals
⚠️ Technical-only, lacks business framing or alignment to business goals.
Speed of delivery
✅ Delivered quickly, minimal lead time
⚠️ Long lead times, bloated scoping and delayed testing
Post-test support
✅ Retest and validation optional, inhouse teams to support
⚠️ Often stops at report delivery
Ready to strengthen your security?

Book your penetration test with our UK-based CREST certified team

You’ve seen what’s at stake. Now let us show you what’s exposed. Conosco’s in-house offensive security experts deliver fast, clear and actionable penetration tests across networks, cloud, web apps and mobile. Whether you're working toward ISO 27001, Cyber Essentials, PCI DSS or just want peace of mind — we’ll help you reduce risk and move fast.

Fast track your penetration test