Service 03 — Application Security & Infrastructure
Offensive Assessment & Threat Mitigation
Web Application Vulnerability Scanning & Security Audits
We conduct rigorous black-box, grey-box, and source-level security assessments to expose hidden attack surfaces, neutralize critical vulnerabilities, and secure your systems before threat actors strike.
Operational value
The problem
Modern web applications, client portals, and public APIs are complex ecosystems combining custom code, third-party libraries, and continuous database queries. Unnoticed security gaps—such as broken object-level authorization, unpatched dependencies, SQL injection vectors, or leaked API secrets—remain completely invisible until customer records are stolen, ransomware locks production databases, or systems face regulatory scrutiny.
The Xencore difference
We deliver systematic, practical security assessments focused strictly on high-impact vulnerabilities rather than generic, automated checklist spam. You receive precise vulnerability mapping, real-world exploitation proofs, and line-by-line engineering remediation steps that your development team can implement immediately.
Core capabilities
Core architectural capabilities
Systematic OWASP Top 10 Security Testing
- In-depth manual and automated evaluation targeting the OWASP Top 10 vulnerabilities.
- Direct testing for SQL/NoSQL injection, Cross-Site Scripting (XSS), Server-Side Request Forgery (SSRF), Cross-Site Request Forgery (CSRF), and insecure deserialization.
Broken Object-Level Authorization (BOLA) & Access Control Audits
- Verification of role boundaries across user accounts, administrative screens, and multi-tenant systems.
- Rigorous testing for privilege escalation vectors, IDOR (Insecure Direct Object References), and authorization bypass flaws inside API endpoints.
Authentication, Token & Session Integrity Analysis
- Security evaluation of authentication flows, password reset mechanisms, and session lifetimes.
- Verification of JWT validation integrity, cookie flags (HttpOnly, Secure, SameSite), and sensitive token exposure in client-side bundles.
Dependency, Server & Third-Party Library Auditing
- Automated dependency scanning to identify known CVEs across Node.js/npm, Python, or containerized package trees.
- Server configuration auditing to detect outdated runtime environments, weak TLS cipher suites, open management ports, and leaked environment secrets.
Deliverables
Technical specifications & deliverables matrix
| Feature | Assessment methodology | Operational outcome |
|---|---|---|
| Black-Box Testing | Unauthenticated external reconnaissance & perimeter attacks | Uncovers publicly exposed endpoints, forgotten staging routes, and leaked credentials |
| Grey-Box Testing | Authenticated testing mimicking standard client or vendor accounts | Detects authorization bypasses, data leakage across accounts, and privilege escalations |
| Code & Config Review | Inspection of dependency manifests, server headers, and configs | Identifies outdated libraries, vulnerable packages, and misconfigured TLS/CORS rules |
| Remediation Plan | Developer-level patch instructions with code-level snippets | Actionable fix guidance enabling fast engineering remediation without ambiguity |
| Validation Scan | Re-testing previously identified vulnerabilities post-patch | Formal confirmation that discovered security flaws have been completely closed |
Process
Deployment methodology
- 01
Scope Definition & Target Authorization
Defining the exact domains, staging subdomains, API endpoints, and production boundaries included in the assessment.
- 02
Automated Reconnaissance & Attack Surface Mapping
Enumerating exposed endpoints, testing server responses, inspecting HTTP headers, and scanning for known CVEs.
- 03
Manual Verification & Exploitation Testing
Manually probing authorization barriers, parameter handling, session durability, and input sanitization to eliminate false positives.
- 04
Reporting & Post-Fix Validation
Delivering a comprehensive Vulnerability Assessment Report categorized by severity (Critical, High, Medium, Low), followed by a validation re-scan once patches are deployed.
Consultation intake
Identify your vulnerabilities before attackers do
Uncover where your digital infrastructure is exposed. Connect with our engineering team to schedule a focused vulnerability assessment and secure your web platforms today.