Internal Infrastructure Penetration Test
Internal Infrastructure Penetration Test
This assessment answers the question: "What could an attacker do if they were already inside our network?"
We simulate the actions of a malicious insider or an attacker who has successfully bypassed your perimeter defences (e.g., through a phishing attack). Starting from a position inside your network, we test for weaknesses in Active Directory, internal servers, and network segregation to see how far an attacker could get and what data they could access.
Who is this for? Organisations looking to defend against modern threats like ransomware and insider attacks and validate their internal security controls.
Methodology: A "white-box" test simulating an internal threat, focused on privilege escalation, lateral movement, and accessing critical internal assets.
Deliverable: A comprehensive report on internal network vulnerabilities and misconfigurations, plus a Certificate of Penetration Testing.
Internal Infrastructure Penetration Testing
The greatest threat to an organisation often comes from within. An internal penetration test simulates the actions of a malicious insider or an attacker who has already bypassed your perimeter defences, for example, through a successful phishing email. It answers the critical question: "Once inside, what damage could an attacker do?"
A strong perimeter is essential, but a lack of internal security controls is what allows a minor incident to escalate into a catastrophic breach. Our Internal Infrastructure Penetration Test identifies these critical internal vulnerabilities before a real attacker can exploit them.
The Assumed Breach: The Internal Attack Surface
An internal test assumes the attacker is already on your network with the same access as a typical employee. From this starting point, we focus on the high-impact vulnerabilities that allow attackers to escalate their privileges and take control of your entire network.
Active Directory (AD) Misconfigurations: Active Directory is the heart of most corporate networks and a primary target for attackers. We test for common but critical misconfigurations that allow an attacker to escalate privileges from a standard user to a Domain Administrator.
Weak Network Segregation: Can an attacker move from a low-security zone (like the user workstation network) to a high-security zone (like the server network containing critical data)? We test the firewall rules and network architecture that should prevent this "lateral movement."
Missing Patches on Internal Systems: Internal servers and workstations often lag behind public-facing systems in patching. We identify critical vulnerabilities on internal assets that could be exploited to gain control of servers or spread ransomware.
Default or Weak Credentials: We search for default passwords on network devices, internal applications, and service accounts, which provide an easy path for an attacker to expand their access.
Our Methodology: Simulating an Insider Threat
Our internal testing methodology is a systematic process designed to map and test your internal network from an attacker's perspective.
Internal Reconnaissance Starting with a standard user account, we map the internal network. We identify domain controllers, file shares, internal applications, and other key assets that would be valuable to an attacker.
Vulnerability Scanning & Analysis We conduct authenticated scans of internal systems to identify missing patches and misconfigurations. Our experts manually validate these findings to understand their real-world exploitability and impact.
Privilege Escalation & Lateral Movement This is the core of the test. Our certified testers use a variety of techniques to attempt to escalate their privileges, aiming to gain administrative control over workstations, servers, and ultimately, the entire domain.
Controlled Exploitation & Data Exfiltration Where permitted, we will exploit high-risk vulnerabilities to demonstrate impact. This may involve accessing a sensitive database or exfiltrating sample data to prove what a real attacker could achieve.