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Application Security

Web Application Penetration Testing Guide

Web applications are a primary exposure point for enterprises. We outline testing guidelines for OWASP vulnerabilities, API security, and logical flaws.

Automated vulnerability scanners often miss complex security risks. Flaws like Broken Object Level Authorization (BOLA), multi-step bypasses, and privilege escalations require manual testing.

A structured web penetration test maps your application logic, evaluates backend APIs, and tests frontend security configurations.

Laptop screen showing intercepted API parameters highlighted for exposure check

Key Pillars of Assessment

  • OWASP Testing

    Scanning and exploiting vulnerabilities listed in the OWASP Web Top 10.

  • API Auditing

    Evaluating backend services, REST endpoints, and authentication tokens.

  • Logical Checks

    Testing user workflows to identify authorization and purchase bypasses.

  • Header Hardening

    Configuring secure cookie attributes, CSP policies, and transport protections.

Defending Against API Authorization Failures

BOLA vulnerabilities occur when web endpoints accept user input to fetch data records without verifying permissions. Manual pentests catch these logic flaws.

Securing Web Backends against Attackers

Harden your web applications by implementing role-based authorization filters at database levels, sanitizing user inputs, and deploying web application firewalls (WAFs).

Additionally, configure security response headers like Content Security Policy (CSP). This blocks cross-site scripting (XSS) actions by controlling where browsers load scripts from.

  • Enforcing server-side authorization checks on every data request.
  • Sanitizing database inputs to prevent SQL injection vulnerabilities.
  • Testing authentication session tokens for session hijacking risks.
Graphic shield deflecting malicious code script elements from web UI

Secure Your Web Architecture

Exposed web code leads to data leakage and customer compromises. Audit your web applications and API gateways with our application security team.

Audit My Web App

Verify your application codebase and API connections against web threat vectors.

Explore Web Pentesting

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