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Network Penetration Testing
At Pentest People, our team of certified security experts specialises in Network Penetration Testing (infrastructure testing) to identify and remediate vulnerabilities before they can be exploited. We offer reliable delivery of comprehensive penetration testing services, utilising our custom SecurePortal vulnerability management platform for real-time insights and actionable reporting.
CHECK & CREST-Accredited: We have a range of CHECK & CREST accreditations for our excellence and expertise in penetration testing.
Innovative Vulnerability Platform: Access detailed reports and real-time data to understand and address security weaknesses promptly.
PTaaS Approach: Penetration Testing as a Service Model means you stay secure all year round with manual tests and automated scans
Why Use Pentest People For Your
Penetration Testing Services?
CREST Certified Penetration Testing Services
Our CREST certified professionals bring extensive experience across various sectors, ensuring accurate penetration testing and robust cyber defence.
Innovative Vulnerability Platform
Our platform offers real-time visibility, automated scans, and continuous monitoring for seamless and efficient vulnerability management.
Internal & External Network Specialist Team
Our internal and external network specialists provide security expertise to protect your business from both insider threats and external cyber attacks.
Live Reporting & Remediation Checks
Live reporting lets you fix issues in real-time, saving time and reducing risk. Remediation checks ensure vulnerabilities are removed for peace of mind.
What is a Network Penetration Test?
Network Penetration Testing is a proactive security assessment that evaluates the resilience of your organisation's network infrastructure against cyber threats. This ethical hacking approach simulates real-world attack scenarios to identify vulnerabilities, misconfigurations, and security gaps within both internal and external networks.
By conducting controlled exploitation of weaknesses, network penetration testing helps assess the effectiveness of your security controls and provides actionable remediation strategies to fortify your IT infrastructure. This process ensures your business remains protected against unauthorised access, data breaches, and evolving cyber risks.
Professional Network Penetration Testing From a Reliable Team
At Pentest People, our team of highly skilled security specialists brings extensive expertise in Network Penetration Testing, ensuring your network is resilient against evolving cyber threats. We conduct thorough security assessments to identify vulnerabilities in your IT infrastructure, helping you mitigate risks before they can be exploited.
- Certified Experts – Our team includes CREST & CHECK-certified penetration testers and ethical hackers with deep technical knowledge of infrastructure security.
- Industry Experience – With a proven track record of securing corporate networks across multiple sectors, we understand the unique challenges of protecting IT environments.
- Up-to-Date Security Insights – We continuously monitor emerging threats, attack techniques, and vulnerabilities to provide cutting-edge security assessments.
In-Depth Assessments To Discover & Remediate Network Vulnerabilities
At Pentest People, we provide expert-led Network Penetration Testing services to deliver a comprehensive, independent evaluation of your corporate IT environment. Our in-depth assessments identify critical security vulnerabilities in software, configurations, and network infrastructure, helping you strengthen your defences against cyber threats.
Our Network Penetration Testing consists of two key components:
- Internal Testing – Simulating an attacker inside your network to uncover risks from compromised credentials, misconfigurations, and lateral movement opportunities.
- External Testing – Assessing internet-facing systems for weaknesses that hackers could exploit to gain unauthorised access.
You Can Trust in Pentest People to Deliver Industry Leading Testing
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Infrastructure Security Specialists
Pentest People Offer Internal & External
Penetration Tests
Internal Penetration Test
This type of Internal Penetration Testing looks for security issues and vulnerabilities on the inside of your corporate network. For instance, someone with the same physical access as a member of staff or other types of employee who has access to the building.
This Infrastructure Penetration Testing Assessment provides a very comprehensive view of the configuration of your corporate network devices and servers, from a security viewpoint of an insider, connected to your network.
External Penetration Test
This type of assessment is concerned with assessing the external, Internet-facing infrastructure of your corporate network. This could be your Firewall, VPN endpoints, Web Servers, Mail Servers etc.
The level of access to these resources would be the same as an external hacker trying to break into your corporate environment. Therefore providing you with a real risk indicator as to your external security posture.
See What Our Clients Have to Say About our Professional Services
"Pentest People has been a trusted partner in our Information Security audits, helping us achieve ISO27001:2013 and Cyber Essentials certifications. Their expertise, professionalism, and
customer-focused solutions have greatly improved our ICT infrastructure.
I highly recommend Pentest People to any potential client."
“Pentest People were efficient, knowledgeable and very supportive of our organisation making the jump from Cyber Essentials to accreditation to the ‘Plus’ upgrade. They were great to communicate with, delivered as promised and we will certainly use again when re-certification comes round."
“The SecureGateway allowed Pentest People to perform a quality penetration test while the tester worked remotely. The results and data collected by the consultant were at the level we would expect from a standard test, showing no real difference other than allowing us to proceed as normal”
“Pentest People stand out in the field of penetration testing due to the skillset of people they have working there. We undertook a complex bespoke pentest with them which required a lot of pre-work in order to make sure it was scoped correctly and they took the time to come onsite to make sure all was correct prior to commencing. From my experience with them, they are very intelligent people with a deep understanding of the security landscape and we will continue to use them for future testing requirements”.
“Pentest People have provided us with a very streamlined testing service, that can be easily reviewed using their SecurePortal. I’m pleased with the quality of the testing report and it has enabled us to feel more confident in our network security”.
“We used Pentest People to assist us with our security testing. They truly understand this area extremely well and gave us great reassurance on areas that we needed to improve.
Pentest People are truly experts in the security field and we would highly recommend them. They have great depth of knowledge and breadth of experience”
"Pentest People perform Web Application and Infrastructure Penetration Testing for Pharmacy2U. They are always professional to engage with, provide an excellent level of service and the addition of the SecurePortal makes receiving and interrogating the results of the service very easy indeed.We look forward to working with them in the future and trust the work they deliver."
Six-Step Method
Our Industry-Proven
Penetration Testing Methodology
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Scoping & Intelligence Gathering
Our experts will listen to you and your needs to develop a tailored testing strategy. From here our consultants will use a wide variety of penetration testing tools and resources to gather information on your organisation.
Reconnaissance & Threat Modelling
After gathering enough information or consultants will develop an approach to testing your organisation, looking at 3 main factors; where are you most vulnerable, what are the best attack techniques for the job at hand and how can they deliver the test while safeguarding your business from any issues.
Vulnerability Analysis
In this phase, the defined targets are thoroughly scanned in order to uncover any existing vulnerabilities. This involves listening for open ports, identifying services that are running, and developing an attack plan based on the information collected from these scans.
Exploiting Your Systems
This stage is where our consultants see how far into your systems they can go using industry leading techniques, custom built tools and first-hand experience.
Determining Severity
After the consultant has a session running on a compromised machine they will determine the severity by seeing which assets and networks they can gain access to and how much information they can gather. This allows us to rank your vulnerabilities from low-critical in the SecurePortal
Reporting & Remediation
Now the test is complete our consultants will fill out a detailed report of their findings, broken down by category and type, adding any remediation advice to the exploits and vulnerabilities they discovered. This data will be accessible via SecurePortal and follow up calls will be made to walkthrough the test and the steps required to remove the risks found.
Comprehensive Infrastructure Testing Services
Our Network Penetration Testing is designed to thoroughly assess your network infrastructure for vulnerabilities that could be exploited by cyber criminals.
Service Includes:
- External Network Testing: Identify weaknesses in your internet-facing systems.
- Internal Network Testing: Uncover vulnerabilities within your internal network.
- Wireless Network Testing: Ensure your Wi-Fi networks are secure from unauthorised access
- Firewall and Router Assessments: Verify that your network devices are configured securely.
- Device Configuration Reviews: Assess the security of switches, routers, and other network devices.
Benefits of a
Network Penetration Test
A successful cyber attack can lead to financial loss, operational disruption, and reputational damage—often with long-term consequences. At Pentest People, our CREST-certified Infrastructure Penetration Testing services provide a controlled, real-world simulation of cyber threats, helping you identify and address weaknesses before attackers can exploit them.
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Identify Security Vulnerabilities in your infrastructure before they become entry points for attackers.
Assess the full risk impact by ethically exploiting network flaws in a safe environment.
Expose Misconfigurations and Insecure Functionality that could leave your systems open to attack.
Support compliance efforts for standards such as PCI DSS, GDPR, and ISO 27001.
Talk to an Expert About Network Penetration Testing
Fill out our contact form and a member of the team will be in touch to discuss your needs and offer support or contact is by phone on 0330 311 0990
1000’s of Organisations Trust Pentest People For Their Penetration Testing
What Are You Waiting For? Get a Quote Today & Fortify Your Infrastructure
Choosing Pentest People for your Infrastructure Penetration Testing means partnering with experts dedicated to your security:
- Certified Network Security Professionals: Our team holds industry certifications and has extensive experience in network security.
- Tailored Testing Solutions: We customise our testing approach to align with your specific network setup and business needs.
- Comprehensive Reporting: Receive clear, concise reports with prioritised vulnerabilities and remediation steps.
- Fast Turnaround: We understand the importance of timely assessments and work efficiently to deliver results.
- Ongoing Support: Beyond testing, we offer continuous support to help you maintain a strong security posture.
Need More Info on Network & Infrastrucuture Testing?
Frequently Asked Questions
What is the difference between an Internal and External Penetration Test?
An Internal Penetration Test is where a consultant would be placed within your corporate environment and connected to your internal network looking for security issues from the inside. An External Penetration Test is where a consultant looks for security issues from the outside of your network, generally over the public Internet.
What is the difference between a Vulnerability Scan and a Penetration Test?
A Vulnerability Scan is performed by a software tool that scans the network and checks available services for known vulnerabilities. A Penetration Test takes this one step further and uses a consultant to check for vulnerabilities that an automated scanner cannot find as well as to manually confirm any identified vulnerabilities.
Learn Something New
Have a read of our blogs written by industry experts, covering topics from all areas in cyber.
SecurePortal 2.11 - Single Sign On (SSO) and Requested Upgrades
Discover how Pentest People’s latest updates to SecurePortal—featuring Single Sign-On (SSO), Company Tasks, and Quick Filters—are transforming task management, enhancing security, and streamlining workflows. Stay organised, save time, and experience a smarter way to manage your assessments!
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