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External Penetration Testing Services

At BOSSEC, our External Penetration Testing services help organizations understand how they appear to attackers from the outside. Through structured reconnaissance, OSINT analysis, and realistic attack simulations, we identify exposed systems, misconfigurations, and publicly accessible weaknesses before they can be abused. By assessing your external attack surface from an adversarial perspective, we enable you to reduce risk, improve visibility, and strengthen your perimeter security against real‑world threats.

External Penetration Testing

Approach:

The assessment is conducted from an external perspective using a black‑box methodology, focusing on systems and services exposed to the internet. The evaluation is based on the defined scope, such as provided IP addresses or IP ranges, without relying on prior internal knowledge.

The approach reflects realistic attack scenarios in which an external actor attempts to identify and assess accessible infrastructure, services, and potential entry points from the outside.


Ideal for:

Organizations that want to gain transparency over their external attack surface and evaluate the resilience of their publicly accessible infrastructure against realistic cyber threats.

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What’s Included?

External Reconnaissance & OSINT
 

This phase focuses on the identification and analysis of externally visible assets, services, and technologies associated with the organization. Publicly available technical information, such as DNS records, certificates, and infrastructure indicators, is evaluated to gain insights into the external footprint. Based on this analysis, potential exposure points are identified that may present opportunities for further attack scenarios from an external perspective.

Active External Testing
 

In this phase, controlled testing of internet-facing systems within the defined scope is performed. This includes the analysis of externally accessible services such as web applications, APIs, and remote access interfaces. The objective is to identify misconfigurations, outdated components, and security weaknesses that could increase the risk of unauthorized access or compromise.

Attack Simulation
 

This phase simulates realistic attack techniques to assess the exploitability of identified weaknesses. The evaluation focuses on determining whether unauthorized access, data exposure, or system compromise is possible from an external attacker’s perspective. The results provide a practical understanding of real-world risk scenarios and their potential impact on the organization.

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