Next Gen Security Testing Services

External Network Penetration Testing

Assess your external nettwrok for security vulnerabilities with a comprehensive security test

External Network Penetration Testing

Designed specifically to ensure the security of all organization external assets. We combine automation with manual network penetration testing to quickly identify any vulnerabilities that exist through improper configuration present in operating systems or open network services that could be exploited to gain unauthorized access to the network or key servers from an internet perspective. Testing covers web servers, VPNs, firewalls, routers, mail servers, and a full range of networking services.

It’s important to know your organization’s vulnerabilities and how attackers might exploit them. External network pen testing is one way to do so, by actively assessing the security of an organization’s perimeter infrastructure that is directly accessible from the internet. This is done to pinpoint potential areas of opportunity for attackers to gain sensitive information and compromise business-critical infrastructure.

External networks include the server, the VPN login, a webmail portal, and any portals that can be accessed from a web browser. During an external network pentest, Cyber Legion’s pentesters use real-world attack vectors and tools to attempt to compromise external systems and gain access to sensitive information or systems.

Cyber Legion will carry out the testing without detailed network or infrastructure diagrams and without any accounts or additional user information (unless required as part of the scope). Testers follow a standard methodology based on Open Source Security Testing Methodology Manual (OSSTMM). The External Network test can be limited to a specific IP range or include more wide reconnaissance using OSINT (open-source intelligence).

Security Testing Methodology – What do we test for?

Types of Pentesting

  • Black Box

No prior access is given during an external network pentest unless explicitly outlined in the scope.

  • White Box

Specific access is given during an external network pentest.

  • Gray Box 

No access is given to start, but some access is given after certain tests are performed.

Further, these details can be included in the scope of the desired pentest with gray box and white box testing:

  • Network diagrams
  • Infrastructure diagrams
  • Accounts (even temporary accounts for pentests)
  • User information

Network Pentesting

Any information provided about the system being tested is useful for pentesters. The more opportunity and ability there is to figure out the software that someone’s web server is running, the more effective it is to find exploits specifically related to that version of the software rather than trying a variety of exploits to see what sticks.

Cyber Legion can meet customers where they want us to be. However, if customers are looking for maximum impact and/or a white-box test, here’s what we recommend when preparing the test’s scope:

  • Determine the assets to test, such as which parts of the external network
  • Determine the IP addresses that go with those assets
  • Present those IP addresses as the scope

It’s important to ensure the provided IP addresses actually belong to the company, and also alert any third-party vendors related to those assets. To increase the value of external assessments, monitoring public IPs from which attacks are sometimes conducted can be helpful to better identify and respond to future attacks.

We follow frameworks and best practices such as OWASPASVS, or OSSTMM. Typically port scanning activities are performed, followed by the search for web servers. Determining the software and version in use for each service is also helpful in identifying misconfigurations or vulnerabilities.

Security Testing Methodology – What do we test for?

Several testing stages follow that result in an effective test. By using our platform’s cyber intelligence capability together with expert penetration testing knowledge, Informer’s testers identify your true attack surface with depth.

  • Asset discovery – asset mapping is using Informer’s discovery tools and intelligence engine
  • Service identification – identifies live services that are accessible from the internet
  • Vulnerability analysis – each service is analyzed in detail to identify misconfigurations and software vulnerabilities
  • Service exploitation – exploitation will be performed to verify vulnerabilities and gain access to infrastructure
  • Gain additional access & pivoting – successful exploitation will be used to gain further access to connected networks and hosts

Instant Online Reporting

Our security testing services as well the external network penetration testing service is delivered through our CSaaS platform for a faster and more dynamic security testing experience. You can start to remediate vulnerabilities as soon as our testers find them without having to wait for the test to be completed. Utilize our Jira and Service-Now integration to automate ticket creation for your developers to get to work on fixing issues.

A summary is provided for each test and gives you a non-technical overview of the results. For each vulnerability discovered, you can access:

  • Detailed descriptions of the finding with CVSS scores
  • Evidence detailing the location and parameters affected
  • Screenshots uploaded by our penetration testers
  • Remedial action and recommendations
  • References to more information if you need to dig deeper

Each test is stored separately in the platform so you can access detailed findings fast or create a reports as various formats. You can download reports in a number of formats at any time during or after the test.

How can we Help?

Cyber Legion provide a continuous cycle of Penetration Testing combined with remediation via Secure Client Portal, to protect/enhance your assets and help improve the organization security posture.

We have deep expertise in application security, mobile apps, API security, IOT and network pen testing. We work specifically to help improve the security of our clients and offer comprehensive security testing that highlight issues in a detailed and intelligible manner.

Our testing methodologies are based on well known security Frameworks and specifically designed to remove the risk of inconvenience during the testing process and keep you up to date as the test progresses. We work directly with our clients to ensure the best possible outcome of all engagements.


Penetration tests (or pen tests) are attacks on your companies’ software and hardware systems, carried out by ‘ethical hackers’ to expose your system’s vulnerabilities. One example is a web application pen test. Web apps, browsers and plug-ins can house sensitive financial or personal data, so hackers are increasingly putting their efforts towards gaining access to them. The test would examine the endpoint of every web application.

External penetration testing (also known as external network penetration testing) is a security assessment of an organisation’s perimeter systems. Your perimeter comprises all those systems which are directly reachable from the internet.

External penetration tests allow you to properly gauge your defenses and determine where it can be successfully hacked. The penetration test highlights cybersecurity exposures, which allows you to correct the issues before hackers can exploit them.

The Penetration Testing Framework (PTF) provides comprehensive hands-on penetration testing guide. It also lists usages of the security testing tools in each testing category. The major area of penetration testing includes: Network Footprinting (Reconnaissance) Discovery & Probing.

Our testers will contact you immediately by phone, email, and the dedicated Slack channel that we will use with you during the testing process.

This isn’t something we actively test for and we wouldn’t recommend testing for this. However, we will highlight vulnerabilities that could lead to a Denial of Service.

The network penetration testing process typically consists of five phases:

  1. Planning and Reconnaissance. The goal of this phase is to plan to simulate an attack. Understanding your company’s tech stack and systems is key.
  2. This refers to the investigation stage, where penetration testers use scanning tools, explore your systems and identify vulnerabilities of the network.
  3. Gaining Access. Having identified network vulnerabilities, the penetration testers use these security vulnerabilities to gain access to your business network. The pen testers then use these vulnerabilities to exploit your system.
  4. Persistent Access. After successfully gaining access to your system, the pen tester will maintain access long enough to accomplish the typical malicious hackers’ goals.
  5. Security Assessment Report. After the Network Penetration test, a report is prepared discussing the process itself together with the analysis. The report will outline the security vulnerabilities found and how to prevent future attacks.

The time that penetration testing takes depends on the size and complexity of your organization’s system structure, as well as the scope of the test itself. For the ‘average’ company, a network penetration test should take around three days. For a merchant processing millions of credit cards a year, for example, a pen test will take over a week, or possibly two.

It’s crucial to find out how vulnerable your network is before an attack happens. You can use the information collected to fix potential security flaws and keep your data safe from hackers.

The penetration testing cost depends on the facts identified during scoping, such as the agreed time, goals, technical resources, approach, and remedial support.

Security Testing Pricing list refence 

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Discover Vulnerabilities that Matters

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    Get the power of technology, artificial and human intelligence to simplify the vulnerability discovery and remediation processes & timelines.

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    Identify and manage your organization’s security vulnerabilities via the Secure Client Portal. Next generation security testing based on modular scripts, machine learning, human intelligence and client requirements.

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    Looking for alternative solutions to protect your Organization. you could own a complete solution of Next Gen Security Testing Services

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Client Testimonials

Cyber Security Automation
Very Good Work Shown By This Company To Solve Cyber Problems

We contracted Cyber ​​​​Legion to do some security testing for our new web applications and APIs and we were very pleased with the results and the vulnerabilities they found, some serious flaws! I received access to the portal where I worked with the team. All details were clearly reported and we have received full support until all vulnerabilities were fixed.

I Tentis

Founder & CEO Ecobild

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