External Infrastructure Penetration Testing
Your external-facing systems—such as websites, servers, and network services—form the front line of your organisation’s cybersecurity. These systems are constantly scanned by attackers looking for weaknesses. Our external infrastructure penetration testing identifies vulnerabilities in your public-facing assets, helping you prevent unauthorised access before it happens.
We’re Specialist
Why It Matters
External infrastructure is among the most frequently targeted parts of any IT estate. Misconfigurations, outdated software, or exposed services can give attackers a foothold into your internal environment. Our CREST-accredited penetration testers simulate real-world attacks to evaluate and harden your external perimeter.
What You’ll Gain
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What is External Infrastructure Penetration Testing?
External infrastructure penetration testing is a simulated attack against your publicly accessible systems to uncover vulnerabilities that could be exploited to:
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Gain unauthorised network access
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Exploit server misconfigurations
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Intercept or manipulate data
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Launch broader attacks against internal assets
Our testers analyse your organisation’s external attack surface using a combination of automated scanning and in-depth manual testing. We look for open ports, outdated software, weak authentication mechanisms, exposed services, and DNS misconfigurations.
What We Test
Our external infrastructure testing covers areas including:
- -Exposed and vulnerable services
– or unpatched software
-SSL/TLS misconfigurations
-DNS and domain-related vulnerabilities
Weak perimeter defences
Firewall and port exposure
-Misconfigured remote access (e.g. VPN, RDP, SSH)