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Web Application Penetration Testing
Manual and automated testing of web applications and APIs against OWASP Top 10 and business-specific threat models.
- OWASP Top 10
- Business logic testing
- API security testing
OSYSTIC
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We conduct security assessments, review architecture for vulnerabilities, and help engineering teams implement the controls that reduce real risk — without theatre.
We scope around the system you actually need to operate, maintain, and operate — not a fixed vendor product or a one-size-fits-all implementation.
Manual and automated testing of web applications and APIs against OWASP Top 10 and business-specific threat models.
Review of AWS and GCP configurations — IAM policies, network exposure, storage permissions, logging gaps, and security-control posture.
Structured review of your system architecture to identify design-level vulnerabilities before they are built into production.
Integrating security into your CI/CD pipeline — SAST, DAST, dependency scanning, and secret detection built into every deployment.
Practical security training for engineering teams — covering OWASP vulnerabilities, secure coding patterns, and common implementation mistakes.
Each engagement is broken into defined phases with reviewable outputs. Scope can adapt, but accountability stays visible.
Define the assessment scope — in-scope assets, testing rules of engagement, excluded systems, and success criteria — before any testing begins.
Map the attack surface — exposed services, subdomains, technology fingerprinting, and publicly available information that an attacker would use.
Automated scanning of web applications, APIs, and infrastructure using industry-standard tools. Results are triaged to remove false positives before reporting.
Expert manual testing of business logic flaws, authentication bypasses, privilege escalation paths, and other vulnerabilities that automated tools miss.
Findings reported with CVSS scores, business impact assessment, and prioritised remediation roadmap — written for both technical and non-technical audiences.
Technology choices follow your environment, operating constraints, team capability, and long-term ownership requirements.
The same technical capability can require very different controls, integrations, and operating models across industries.
Payment-security scoping support, financial application penetration testing, and privileged-access review within the client’s compliance programme.
Healthcare security assessments, EHR application testing, and medical-device network security designed around the client’s privacy and compliance obligations.
SaaS application pen testing, API security, CI/CD security integration, cloud posture review.
E-commerce application testing, payment-flow security, payment-security scoping support, and third-party risk review.
The exact architecture and delivery plan depend on your environment. These answers describe how OSYSTIC approaches the work.
A vulnerability scan uses automated tools to identify known issues. A penetration test includes manual expert analysis to find business logic flaws, chained vulnerabilities, and issues that automated tools cannot detect. We always recommend including manual testing for any production system.
Yes. Every finding includes a clear description, CVSS score, business impact assessment, and specific remediation guidance. We also provide a retest to verify that fixes have been correctly implemented.
Yes. We can work within client-defined security and compliance requirements and support the technical controls, evidence, and remediation work your programme requires. OSYSTIC does not represent this work as certification or legal compliance advice.
All findings are communicated through agreed secure channels. We do not retain copies of sensitive data discovered during testing beyond the agreed assessment period.
Tell us what systems you need tested and what security, control, or regulatory requirements need to be considered. We will come back with a scoping proposal.