External Penetration Testing Services
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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Why choose Cyphere for External Penetration Testing?
Actionable Risk Understanding: External Penetration Testing provides you an understanding of risks affecting your organisation’s Internet-facing assets. Once you are aware of issues affecting your external infrastructure, you can analyse, assess and prepare a risk mitigation plan with our team.
Proven Expertise Across Diverse Industries:Cyphere has a strong track record of securing organizations in highly regulated and diverse sectors, including fintech, insurance, retail, healthcare, innovative startups, manufacturing, construction, housing, social care, higher education, technology, gambling, sectors, is an example supporting our service quality-led approach. This broad experience ensures we understand the unique security challenges of your industry.
Unmatched Peace of Mind with Unlimited Retests: Our external penetration testing service includes unlimited retests for a full 12 months, ensuring vulnerabilities are not only identified but also effectively remediated over time.
Zero False Positives & ‘More Than Report’ Guarantee: Cyphere’s consultants ensure there are no false positives, saving you time and resources investigating basic issues. We go beyond a simple ‘report and run’ approach, offering unlimited retests, free cancellations, and dedicated support for risk remediation planning.
Our External Penetration Testing Methodology: A Detailed Process
- Gather publicly available information about the target network, such as IP addresses, domain names, and network infrastructure details.
- Utilize open-source intelligence (OSINT) techniques to identify potential entry points and vulnerabilities.
- Conduct port scanning to discover open ports and services running on the external network.
- Use tools like Nmap or Masscan to identify potential targets for further analysis.
- Enumerate identified services to gather additional information, such as software versions, server banners, and configuration details.
- Identify potential vulnerabilities based on the information collected during enumeration.
- Perform automated and manual vulnerability scanning to identify weaknesses in the target network.
- Prioritize vulnerabilities based on severity and potential impact on the organization.
- Attempt to exploit identified vulnerabilities to gain unauthorized access to the target network.
- Use penetration testing tools and techniques to exploit known vulnerabilities and assess the effectiveness of existing security controls.
- Establish persistence on compromised systems to maintain access for further exploration.
- Gather additional information, such as user credentials and sensitive data, to assess the overall security posture of the target network.
- Document findings, including discovered vulnerabilities, exploited systems, and potential impact on the organisation.
- Provide recommendations for remediation actions to address identified security risks and improve the overall security posture of the external network.
Ready to Secure Your Perimeter? Book Your External Pen Test Consultation
Protect Against Common External Threats: Vulnerabilities We Identify
- 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
The Cyphere Advantage: Secure Your Perimeter with Our External Penetration Testing Services
Quantifiable Security Improvements & Risk Reduction: Experience a measurable improvement in your security posture. Cyphere’s external pentesting directly reduces your risk of costly data breaches, business disruption, and reputational damage.
Proactive Vulnerability Management & Continuous Validation: Move beyond reactive security approach. Our unlimited retesting program enables proactive vulnerability management and provides ongoing validation that your security defenses remain robust in the face of evolving threats.
Efficient Remediation & Optimised Security Investments: Cyphere’s actionable reports and expert guidance prioritise remediation efforts on the most critical vulnerabilities, ensuring efficient allocation of your security resources and budget.
Cost-Effective Security: You benefit from flexible pricing models that make high-quality penetration testing accessible to your business without compromising.
Compliance Confidence & Adherence to Best Practices: Meet regulatory demands with confidence. Our CREST-approved external network penetration testing services help you demonstrate compliance with industry standards and regulations like PCI DSS, ISO 27001, GDPR and more, strengthening your governance and risk management.
Protect Your Brand Reputation & Maintain Customer Trust: Safeguard your most valuable assets. By proactively securing your external network with Cyphere, you demonstrate a commitment to cybersecurity, building customer trust and protecting your brand reputation in a security-conscious world.
Why Businesses Trust Cyphere for External Penetration Testing?
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 all the technical information."
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 their approach, speed and end results that I got for my company. Big Thanks."
Experienced Team
"Great experienced team, very knowledgable and helpful, willing to adjust the product to suit the customer. Would recommend."
Professional Work
"A totally professional engagement from start to finish with the highest quality advice and guidance."
High Quality Testing Service
"The service provided by Cyphere is second to none. High quality testing services. Very reliable and professional approach."
Assured Service
"Cyphere provide a personal and assured service, focusing on both pre and post analysis in supporting us to change and embed a security cultured approach."
Recommended Service
"Highly recommend Cyphere for pen testing. The recommendations in the report were comprehensive and communicated so that technical and non-technical members of the team could follow them."
Recommended Pen Testing Service
"Cyphere were great in both carrying out our penetration testing and taking us through the results and remediation steps. We would gladly use them for future projects.
Highly Recommended
"We had penetration tests service for PCI DSS compliance program from the Cyphere! Very professional, efficient communication, great findings that improved our system security posture! Highly recommended!
Exceeded Expectations
"Harman and the team at Cyphere truly are experts in their field and provide an outstanding service! Always going above and beyond to exceed customer expectations.
Skilled Team
I’ve worked with Cyphere on a number of penetration tests in addition to some cyber essentials support and certification! I’ve found them to be highly skilled and professional.
Skilled Team
I’ve worked with Cyphere on a number of penetration tests in addition to some cyber essentials support and certification! I’ve found them to be highly skilled and professional.
Perceptive Reporting
Cyphere undertook pen testing for us recently. The process was very smooth, and the team were flexible in working around our constraints. The report was clear, actionable and perceptive.
Outstanding Cybersecurity Partner
Cyphere has been outstanding partner to our agency. I've tried many in the past but they have been extremely meticulous in getting our systems secured.
Helpful Services
Cyphere has been an excellent partner and helped us achieve our goals with a great level of expertise, communication and helpfulness making the whole process easy to understand and complete.
High Standards
Harman and his team were excellent throughout, they understood and completed the tasks (external penetration test) within tight deadlines to a high standard.
Communicative & Responsive Team
I had an amazing experience working with Cyphere! Their communication was top-notch, making the entire process smooth and efficient. I found their team to be incredibly responsive and attentive to my needs.
Efficient Service
Worked with team at Cyphere for a cyber security assessment, gap analysis etc. The team has delivered a very professional, efficient service at all stages of the process to date.
Get a Custom External Infrastructure Penetration Testing Quote
The Cyphere Engagement Experience: Partnership and Support Every Step of the Way
Frequently Asked Questions about External Network Penetration Testing
Cyphere’s External Network Penetration Testing service provides you with a realistic simulation of a cyberattack targeting your internet-facing infrastructure. We mimic a real-world attacker to identify vulnerabilities in your firewalls, web servers, email systems, and other external-facing assets. You receive a comprehensive report detailing identified vulnerabilities, actionable remediation advice, and ongoing support, including unlimited retests to validate fixes.
To learn more about the intricacies of external penetration testing and its benefits, explore our in-depth article: What is External Penetration Testing?
No, external penetration testing specifically focuses on assessing the security of your internet-facing systems and network perimeter. It does not assess your internal network. If you need to assess your internal security, we offer internal penetration testing services separately,
Cyphere’s External Security Assessment Services are performed remotely. This allows us to simulate real-world internet-based attacks effectively and efficiently, without requiring on-site access to your infrastructure. Remote testing is the industry standard and allows for broader and more realistic attack simulations of your external perimeter.
Cyphere goes beyond simply identifying vulnerabilities. We provide a detailed remediation plan within our report, outlining specific steps to address each finding, prioritized by risk. Furthermore, we offer ongoing support and consultation to assist your team with remediation efforts. And with our unlimited retests, we help you validate that your fixes have been effective and your vulnerabilities are truly resolved.
The cost of External Vulnerability Assessment and Penetration Testing varies depending on the scope and complexity of your external infrastructure. Factors like the number of IP addresses, applications, and the desired depth of testing influence the price. To get an accurate quote tailored to your specific needs, we recommend you send a request for pen test quote or book a scoping call, and our team will be happy to provide a customised proposal within a day.
