Web penetration testing follows a structured methodology that ensures complete coverage of every attack surface. This methodology guides the tester from initial reconnaissance to final reporting. Each phase focuses on a specific objective and builds the foundation for the next stage.

Information Gathering

Information gathering identifies how the web application operates and what technologies it uses. This phase does not involve direct attacks. The goal is to understand the target’s structure before attempting exploitation.

Key tasks include:

• Identifying domains and subdomains

• Enumerating IP addresses

• Discovering technologies such as frameworks, servers, and databases

• Mapping directories, endpoints, and functionalities

• Understanding request and response patterns

Accurate information gathering reduces blind guessing and helps build a detailed attack plan.

Enumeration and Mapping

Enumeration expands the information collected earlier. The tester maps the entire application, including hidden pages, API endpoints, and backend logic. This step reveals how different components interact.

Core activities include:

• Mapping URLs, parameters, and form fields

• Identifying user roles and permission structures

• Monitoring session behavior and cookies

• Studying how data flows between client and server

• Reviewing error messages for clues

This phase exposes the application’s internal structure, which helps pinpoint attack points.

Threat Modeling

Threat modeling identifies which areas of the application are likely to be vulnerable. The tester analyzes trust boundaries, user input points, and critical functionalities. This helps prioritize attack paths that could produce maximum impact.

Important considerations include:

• Authentication flows

• Privilege boundaries

• Data storage and transmission

• High-value features such as payments or file uploads

• External integrations like APIs and third-party services

Threat modeling focuses efforts on areas where exploitation would result in severe consequences.

Vulnerability Identification

In this phase, the tester examines each part of the application for potential weaknesses. This includes automated scanning and manual inspection. Manual testing provides deeper insight, especially for complex logic flaws.

Typical checks include:

• Input validation issues

• Session handling weaknesses

• Broken authentication

• Insecure authorization controls

• Unsafe file uploads

• Server misconfigurations

• API vulnerabilities

• Client-side flaws

This step produces a list of potential vulnerabilities that need verification.

Exploitation

Exploitation validates whether identified vulnerabilities are real and determines their impact. The tester conducts controlled attacks to demonstrate how the flaw can be abused.

Activities include:

• Injecting malicious payloads

• Manipulating requests

• Tampering with parameters

• Hijacking sessions

• Bypassing authentication and authorization

• Triggering server-side misbehavior

Exploitation does not damage the system. It only confirms the vulnerability and captures evidence.

Post-Exploitation

After successful exploitation, the next step is to analyze the depth of access gained. This phase focuses on understanding the internal impact of the attack.

Key tasks include:

• Determining data exposure level

• Checking lateral movement possibilities

• Identifying privilege escalation paths

• Assessing damage potential

Post-exploitation ensures that the full risk associated with each vulnerability is understood.

Documentation and Reporting

The final phase compiles all findings into a structured report. This document explains each vulnerability clearly, along with evidence and remediation steps.

The report includes:

• Vulnerability description

• Technical details

• Steps to reproduce

• Impact analysis

• Proof of exploitation

• Recommended fixes

Clear reporting ensures developers can address issues efficiently and strengthens the application’s security posture.

Intel Dump

• Pentesting methodology follows a structured sequence of phases.

• Information gathering identifies technologies and application structure.

• Enumeration maps endpoints, roles, and data flows.

• Threat modeling prioritizes critical attack surfaces.

• Vulnerability identification discovers potential flaws.

• Exploitation validates weaknesses with controlled attacks.

• Post-exploitation measures internal impact and escalation potential.

• Reporting documents vulnerabilities with evidence and fixes.