External Penetration Testing
Identify security vulnerabilities in your Internet-facing infrastructure, emerging threats and assess the risks affecting external networks through our external penetration testing service. This exercise follows a risk mitigation plan to maintain a minimal attack surface over the internet.
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What is an external penetration test?
An external penetration test simulates an internet attacker on organisational devices, applications, and data. This threat actor mimics an internet user with zero prior knowledge and relies on internet-based information about your organisation (Open Source Intelligence).


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External pen test methodology
Vulnerabilities discovered by our External Penetration Testing service
- Network footprint for Internet facing assets
- Validate your security controls and determine weaknesses
- Cleartext transmission of data
- Insecure patch management
- Redundant and ignored endpoints
- Meta data exposure, data leakages, lack of secure hardening

Frequently Asked Questions about External Security Testing

Why choose Cyphere as your external penetration testing company?

Excellent people to work with.
Very good knowledge of requirement and give us correct findings with excellent remedy to improve our security for our B2B portal site.
Harman was great, really knowledgeable
Harman was great, really knowledgeable, helpful and on hand to answer any questions. The final report was very clear providing the technical information in an easy to read format which could be understood by the leaders of the business.
My experience of the team was 5 star.
They were so helpful, and their technical delivery and client communication were excellent.
Extremely satisfied
Extremely satisfied with approach, speed and end results. Thanks.
Why do you need External Penetration Test?
An external security test is an important part of your cyber security program. It helps you identify vulnerabilities in your organisation that could be exploited by Internet-based attackers. External pentests allow you to assess the risk that identified vulnerabilities pose to your business. You can protect your company from cyber-attacks by identifying and mitigating these risks.
Based on the Ponemon Institute’s report, average cost of a data breach around the world has been calculated at $4.35m. However, these numbers are changing every year given the risk of data breaches due to increased attach surfaces.

What can you gain from External Penetration Testing?
External Penetration Testing can help you with a better understanding of your organisation’s security posture. By identifying security issues during security assessment, the customer is aware of their attack surface on the Internet.
External infrastructure penetration testing can help you make informed decisions about how to improve your security (e.g., hardening, information leakage, patching, etc). Network pen tests can also help you prioritize the mitigation of risks, which can help protect your business from cyber-attacks.
Benefits of External Penetration Testing
- Measure your attack surface over the internet
- Validate your security controls and determine weaknesses
- GDPR, ISO 27001, PCI DSS & Compliance support
- Identify misconfigured services and blind spots
- Demonstrate cyber security commitment to your customers & supply chain
- Protect brand loyalty and corporate image by reducing the likelihood of a security breach.


Our Pentest Engagement Approach
