EresusSecurity

Web Application Pentesting
— Business Logic Testing

Manual validation and exploit-focused Web Application Pentesting. We help Business Logic Testing-based companies proactively secure their digital assets before attackers strike.

Free Scoping Call

Business Logic Testing delivery and security model

Manual testing for checkout, payment, limits, approvals, refunds, coupons, role changes, and approval chains that automated scanners usually miss.

Focus areas

  • Unauthorized transaction ordering
  • Limit and approval bypass scenarios
  • Price, coupon, and payment manipulation
  • Cross-user and cross-tenant impact

Delivery notes

  • Technical findings are explained through business impact
  • PoC steps are written for product teams to repeat
  • Fix guidance maps to control points and test cases

Decision matrix

Business Logic Testing is not just a service label; it states how each control is validated and which evidence is expected at closure.

Evidence driven
ControlDecision questionValidationExpected evidence
Unauthorized transaction orderingDoes Unauthorized transaction ordering create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Web Application Pentesting.Technical findings are explained through business impact
Limit and approval bypass scenariosDoes Limit and approval bypass scenarios create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Web Application Pentesting.PoC steps are written for product teams to repeat
Price, coupon, and payment manipulationDoes Price, coupon, and payment manipulation create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Web Application Pentesting.Fix guidance maps to control points and test cases
Cross-user and cross-tenant impactDoes Cross-user and cross-tenant impact create real risk?Validated against the relevant code, request, configuration, or runtime behavior in Web Application Pentesting.Technical findings are explained through business impact
Scenario 1

What if Unauthorized transaction ordering fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Scenario 2

What if Limit and approval bypass scenarios fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Scenario 3

What if Price, coupon, and payment manipulation fails?

Eresus maps this area to real user-flow or delivery-pipeline impact, so the finding is not left as a generic technical label.

Proof-Driven Methodology

01

Surface Discovery

Attack surface mapping & asset enumeration

02

Advanced Testing

Penetration testing beyond automated scanners

03

Proven Exploitation

PoC validation for every finding

04

Solution-Driven Delivery

Remediation code + free retest

Frequently Asked Questions

What decision does Business Logic Testing clarify?

Business Logic Testing clarifies exploitability, affected workflows, and release impact for Web Application Pentesting with evidence rather than scanner noise.

What evidence is included in Business Logic Testing?

Technical findings are explained through business impact Also, PoC steps are written for product teams to repeat. Retest criteria and ownership notes are included for closure.

How is this different from an automated scanner report?

Automated findings are not forwarded as-is; false positives are removed, abuse paths are proven, and remediation priority is explained.

Why Eresus Security?

Proof-Driven Reporting

Every finding is validated with a real exploit. No scanner noise — only proven risks.

Offensive Security Expertise

Specialized team in AI security, API pentesting, Red Team operations, and cloud security review.

Retest Support

Fixes are revalidated within the agreed engagement scope. Remediation guidance and developer-friendly notes are included.

Evidence-Ready Deliverables

Report format designed to support internal review, remediation tracking, and evidence-oriented workflows.

Validate Your Security Posture

Don't rely on scanner outputs. We execute the same techniques real attackers use — in a controlled environment, for you.

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