Services/Web application security
06

Web application security

Can someone log in as another user? Access data without credentials? Abuse your business logic?

A real attacker does not run a scanner and hand you the output. This assessment tests your web application the way a human attacker would, probing every login flow, access control rule, and data input by hand to find what automated tools consistently miss.

What I test
  • Login and session security: can an attacker take over an account without knowing the password?
  • Access control: can a regular user view or modify another user's data?
  • Data injection: can malicious input extract database contents or run commands on the server?
  • Business logic flaws: can checkout flows, approval steps, or onboarding sequences be abused?
  • Cross-site scripting: can an attacker inject code that runs silently in other users' browsers?
  • File upload security: can a malicious file be uploaded and executed on the server?
  • API endpoints exposed by the application. Scope is not limited to the visible interface.
  • Security configuration review: headers, cookies, and browser-level protections.
Login bypassAccess controlData leakageBusiness logicWeb app
Example findings
CRITICALLogin bypassed without a password. Direct access to any account.
HIGHAny user can read every other user's data by changing one number in the URL.
HIGHMalicious script injected into admin panel. All administrator sessions compromised.
MEDIUMApplication accepts requests from any external website, including attacker-controlled ones.

Illustrative examples, not exhaustive.

Deliverable

Findings report with proof-of-concept, risk scores, and step-by-step remediation guidance. Live debrief included.

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