Offensive security · Cybersecurity
Web application and API penetration testing
We attack your application the way a real adversary would, with written authorization and scope, and hand you every finding with a reproducible proof of concept.
- Model
- Black, grey or white box
- Duration
- 2 to 4 weeks depending on scope
- Methodology
- OWASP WSTG · PTES · NIST SP 800-115
- Severity
- CVSS 3.1 and 4.0 + CWE/CAPEC
The problem
A badly exposed automation is an open door. Before connecting your critical processes to chatbots, APIs and integrations, we verify that nobody else can get in through there. The exercise covers the application, its APIs, the business logic and the authentication flows.
What it includes
- Reconnaissance and attack surface mapping: subdomains, endpoints, JS bundles, OpenAPI specs and exposed repositories.
- Exploitation of the OWASP Top 10: injections (SQL, NoSQL, SSTI), XSS, SSRF, deserialisation and file upload.
- Authorization and business logic flaws: BOLA/IDOR, horizontal and vertical escalation, price and flow tampering.
- Session and token audit: JWT, OAuth 2.0, cookies, expiry and revocation.
- Review of the AI layer: prompt injection, system instruction leakage and abuse of the agent's tools.
- Chaining of vulnerabilities to demonstrate real impact, not theoretical impact.
How we work
- 01Scope and authorizationWe define objectives, execution windows, emergency contacts and rules of engagement. Nothing runs without signed authorization.
- 02ReconnaissanceInventory of assets, technologies, versions and exposed surface. Correlation with known CVEs.
- 03Controlled exploitationManual testing assisted by tooling, with no destructive techniques and no denial of service.
- 04Chaining and impactWe build the full attack chain and measure how far an attacker gets.
- 05Report and presentationDelivery of the report and a technical review session with your development team.
- 06Re-verificationWe retest the corrected findings and issue the closure record.
Deliverables
| Document | Length |
|---|---|
| Executive report Business risk in non-technical language, for the board. | 8-12 pp |
| Technical report Finding, impact, CVSS, CWE and prioritised remediation. | 40-90 pp |
| Proof of concept per finding Reproducible step by step with commands and screenshots. | included |
| Evidence log Full record with the date and time of every test. | included |
| Re-verification record Final status of each finding after the fixes. | included |
Note
No surprises on the invoice or in your operation. We work only on assets with the client's written authorization, in agreed windows and without destructive techniques. All evidence is encrypted and destroyed 90 days after closing.
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