Web Application Penetration Testing
Comprehensive security assessment of your web applications, APIs, and SaaS platforms. Our OSCP-certified ethical hackers identify vulnerabilities across the OWASP Top 10, business logic flaws, and authentication weaknesses before attackers can exploit them.
OWASP Top 10:2025 Coverage
We test every category in the latest OWASP Top 10 (2025) with manual techniques, guided by the OWASP Web Security Testing Guide (WSTG) and ASVS
Broken Access Control
Authorization bypass, privilege escalation, IDOR, and SSRF that exposes internal services
Security Misconfiguration
Default credentials, unnecessary features, verbose error messages, and missing security headers
Software Supply Chain Failures
Outdated or compromised libraries, unpatched frameworks, and risky third-party dependencies
Cryptographic Failures
Weak encryption, exposed sensitive data, and SSL/TLS misconfigurations
Injection
SQL injection, NoSQL injection, command injection, and cross-site scripting (XSS)
Insecure Design
Business logic flaws, missing security controls, and architecture weaknesses
Authentication Failures
Brute force, credential stuffing, session hijacking, and MFA bypass
Software or Data Integrity Failures
Insecure deserialization, unsigned updates, and CI/CD pipeline weaknesses
Security Logging & Alerting Failures
Insufficient logging, exposed logs, and attacks that go undetected
Mishandling of Exceptional Conditions
Error handling that leaks data, fails open, or leaves the app in an unsafe state
Our Web App Testing Methodology
Systematic approach combining automated scanning with expert manual testing
Reconnaissance & Mapping
We map your application's attack surface, identifying all endpoints, parameters, and data flows. Includes subdomain enumeration, technology fingerprinting, and API discovery.
Authentication & Authorization Testing
Comprehensive testing of authentication mechanisms, session management, and access controls to identify privilege escalation and bypass opportunities.
Input Validation & Business Logic
Manual testing of all input fields for injection vulnerabilities, XSS, and business logic flaws that automated scanners miss.
Exploitation & Proof of Concept
We validate every finding with working proof-of-concept exploits, demonstrating real-world impact to your development team.
Who Needs Web Application Testing
Every industry with a web presence needs regular security testing
Global Web Application Testing Services
OWASP Top 10 testing for companies worldwide with regional compliance expertise
What You Get From a Web App Pentest
Clear, actionable results your developers can fix and your auditors will accept
Executive Summary
A plain-language overview of overall risk and key findings for leadership, customers, and auditors.
Risk-Rated Findings
Every vulnerability rated by severity, with affected endpoints, reproduction steps, and business impact.
Proof of Concept
Working, safe exploits and evidence for each finding, so there is no debate about whether an issue is real.
Remediation Guidance
Developer-focused fix recommendations tailored to your stack, not generic scanner output.
Unlimited Free Retests
We verify every fix within 48 hours of remediation, as many times as you need, and update the report to reflect the results.
Real-Time Findings via SLASH
Findings appear in our SLASH platform and sync to Jira while testing is still in progress.
Need a pentest for an audit? See how our testing supports SOC 2, ISO 27001, PCI DSS and HIPAA compliance.
Web Application Penetration Testing FAQ
What is web application penetration testing?
Web application penetration testing is a controlled, simulated attack on your web app by security experts. Testers look for vulnerabilities such as broken access control, injection, and business logic flaws, then prove their impact with safe exploits so your team knows exactly what to fix and why.
How is a web app pentest different from a vulnerability scan?
A vulnerability scan is automated and flags known issues, often with false positives. A penetration test is led by a human tester who chains findings together, tests business logic and authorization between users, and confirms each issue with a proof of concept. Scanners rarely find IDOR, privilege escalation, or logic flaws; manual testing does.
How long does a web application penetration test take?
Most web application tests take 1 to 2 weeks, depending on the number of roles, features, and integrations in scope. With our SLASH platform you see findings in real time during testing instead of waiting for a final report, and unlimited retesting after fixes is completed within 48 hours.
How much does a web application penetration test cost?
Cost depends on scope: the size of the application, the number of user roles, APIs in scope, and reporting needs such as compliance attestations. All engagements are fixed-price, and we benchmark against competing quotes to beat market pricing for equivalent scope.
Can you test our production environment safely?
Yes. We use non-destructive techniques, agree on testing windows with your team, and avoid denial-of-service style tests unless you explicitly request them. For high-risk areas we can test in a staging environment that mirrors production.
Is retesting included?
Yes. Every engagement includes free, unlimited retesting to verify your fixes. Each retest is completed within 48 hours of you marking issues as remediated.
Will the report help with SOC 2, ISO 27001, PCI DSS, or HIPAA?
Yes. Our reports include an executive summary, risk-rated findings with remediation guidance, and evidence auditors expect for SOC 2, ISO 27001, PCI DSS, and HIPAA.
How often should we pentest our web application?
At least once a year, and after major releases, architecture changes, or new integrations. Many compliance frameworks, including PCI DSS and SOC 2, expect regular testing, and SaaS customers increasingly ask for a recent pentest report during security reviews.
Ready to Secure Your Web Application?
Get expert OWASP Top 10 testing from OSCP-certified ethical hackers. Protect your application, pass compliance audits, and build customer trust.
Free web app security tools
Use these tools to scan, decode, and audit your web app, before, during, or after a SecurityWall pentest.
Learn More About Web App Pentesting
Guides on web application testing methodology, OWASP and app security risks
