Internal Infrastructure Penetration Testing involves a comprehensive assessment of your internal network to uncover security weaknesses that could be exploited by malicious actors.
Insider Threat Detection
Identify vulnerabilities that could be exploited by malicious insiders or attackers who have gained access to your internal network. This helps prevent data breaches and unauthorised access.
Improved Incident Response
Test your organisation's ability to detect, respond to, and mitigate attacks from within, ensuring your response plans are effective against real-world threats.
Enhanced Network Segmentation
Evaluate the effectiveness of your internal network segmentation, ensuring that sensitive data and critical systems are properly isolated to limit potential damage from a breach.
Comprehensive Risk Assessment
Gain a thorough understanding of internal security risks, providing valuable insights into areas that require immediate attention or improvement to strengthen your overall security posture.
Thousands of organisations across the UK trust us, here’s why…
CREST & CHECK Accredited
We are certified for both CREST and CHECK Green Light testing - an achievement not all testing companies can claim.
Clear and Concise Reports
We provide easy-to-understand reports with detailed findings and actionable recommendations.
CREST Infrastructure & App Testing
We are certified in both CREST Infrastructure and Application testing to the highest standards.
Specialised Testing Teams
Developer-trained testers deliver comprehensive app, API, and cloud testing for deeper, more effective results.
Experienced & Senior Consultants
Our team consists of highly experienced, senior consultants and penetration testers with over 15 years of expertise.
We Save You Time and Money
Clients consistently tell us that we deliver higher-quality testing in less time.
Outstanding Communication
We establish dedicated Teams or Slack channels to ensure seamless two-way communication between all.
Forward-Thinking Security
Our team goes beyond identifying vulnerabilities, offering proactive solutions to mitigate future risks.
Internal Infrastructure Penetration Testing: The CyberLab Approach
Our Internal Penetration Tests replicate the techniques used by malicious insiders or compromised devices to target vulnerabilities within your internal network. By simulating real-world attack scenarios, we evaluate how effectively your internal systems and processes can detect, respond to, and mitigate threats.
Our Internal Penetration Tests replicate the techniques used by malicious insiders or compromised devices to target vulnerabilities within your internal network. By simulating real-world attack scenarios, we evaluate how effectively your internal systems and processes can detect, respond to, and mitigate threats.
Your assigned consultant will collect essential information through a combination of customer feedback and our own analysis of your internal environment, including…
- Network topology and architecture
- Internal IP address ranges
- Active Directory structure
- Shared drives and resources
- User roles and permissions
This information helps us identify and exploit vulnerabilities specific to your internal systems.
In this stage, we identify potential vulnerabilities within your internal network by examining:
- Internal attack vectors and threat agents
- Results from research and reconnaissance
- Weaknesses in system configurations, network protocols, and access controls
Our specialists use a combination of automated tools and manual testing to ensure comprehensive analysis.
We attempt to exploit identified vulnerabilities to simulate real-world attack scenarios. This involves three key phases:
- Exploit: Leveraging vulnerabilities to gain access to internal systems, e.g., exploiting misconfigured services or outdated software.
- Escalate: Attempting to elevate access privileges, such as obtaining administrator or root-level control.
- Advance: Moving laterally across the network, accessing additional systems and resources, and uncovering further vulnerabilities.
Your Internal Penetration Test Report will provide a detailed account of identified vulnerabilities, their potential impact, and prioritised remediation steps.
- Includes an executive summary and technical analysis to communicate risks in business terms.
- Where needed, your CyberLab consultant can present the findings to key stakeholders in your organisation.
The report will outline recommended actions to mitigate vulnerabilities and strengthen your internal network’s defences.
- We also offer consultancy, tools, and services to support your remediation efforts and enhance your overall security posture.
One of our CREST, CHECK, and Cyber Scheme certified consultants will work with you to define the scope of the engagement and ensure that our tests will fulfil your requirements.
Your assigned consultant will gather information on your organisation, including:
- IP addresses of websites and MX records
- Details of e-mail addresses
- Social networks
- People search
- Job search websites
This information will assist in identifying and exploiting any vulnerabilities or weaknesses.
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ISO 27001 is a globally recognised framework for managing information security risks. While penetration testing is not explicitly required, it plays a crucial role in meeting the standard’s risk assessment requirements by identifying weaknesses in systems and strengthening security controls.
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Internal vs External Penetration Testing
| Internal Penetration Testing | External Penetration Testing | |
|---|---|---|
| Objective | Assess the security of internal systems, identifying vulnerabilities an attacker with internal access could exploit. | Assesses the security of externally accessible systems to identify vulnerabilities an attacker on the internet could exploit. |
| Scope | Internal assets such as servers, workstations, network devices, and internal applications. | Covers internet-facing assets such as web servers, VPNs, email servers, cloud services, and firewalls. |
| Access Requirements | Conducted via VPN or on-site, assuming the attacker already has internal network access. | Conducted remotely from an external perspective, simulating an attacker with no internal access. |
| Common Attack Method | Involves techniques such as network enumeration, privilege escalation, lateral movement, and exploitation of internal services and applications. | Includes scanning for open ports and services, testing authentication mechanisms, identifying misconfigurations, and exploiting external vulnerabilities. |
| Defensive Testing | Evaluates internal segmentation, endpoint security controls, and detection capabilities. | Assesses firewall rules, intrusion detection systems, and the exposure of services to the internet. |
| Outcome | Identifies risks that could be exploited by insider threats or compromised internal devices. | Highlights vulnerabilities that could lead to unauthorised access or data exposure from the outside. |
CREST, CHECK & Cyber Scheme Certified
CREST (the Council of Registered Ethical Security Testers) is an international accreditation with a strict Codes of Conduct and Ethics. CHECK is the Government-backed accreditation from the National Cyber Security Centre (NCSC) which certifies that a company can conduct authorised penetration tests of public sector systems and networks.
All our penetration testers are certified by CREST, with senior consultants certified by CREST to the highest CCT Level. Our testers are also either CHECK Team Leaders (CTL’s) or Team Members (CTM’s).
Security testers that pass the Cyber Scheme exams demonstrate ‘competence and skill at the highest levels’ as defined by the National Technical Authority for Cyber Security (NCSC).
Our team have decades of combined experience and take pride in operating at the highest level of the industry – conducting a broad range of government and commercial tests – and always aim to go the extra mile.
Success Stories
Penetration Testing
Moat Homes
Moat strengthens housing sector cyber resilience with CyberLab, securing 24/7 protection and Penetration Testing for trusted resident data.
“We know that our customers, colleagues and partners trust us with their personal data, and we take that responsibility very seriously. CyberLab’s deep technical knowledge and proactive support have been instrumental in helping us navigate complex threats with confidence. Their team of experts have become a trusted extension of our IT function.”
Penetration Testing
Sealey Group
From e-commerce security to 24/7 threat monitoring, Sealey Group trusts CyberLab to protect their business and customer data from evolving cyber threats.
“Working with CyberLab has greatly enhanced our cyber security posture. Their proactive approach and tailored solutions have strengthened our defences, ensuring our customer data and operations remain secure. The 24/7 support and expert guidance from their team have been invaluable, allowing us to focus on serving our customers with confidence and peace of mind.”
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