SaaS Security Testing

SaaS Penetration Testing

Maximize Your SaaS Security with DSecured's Expert Penetration Testing Services. Trust our renowned ethical hackers to identify and resolve vulnerabilities efficiently and comprehensively.

Our highly skilled ethical hackers bring creativity and precision to every test, ensuring no security flaw goes unnoticed. Benefit from detailed, jargon-free reports that not only pinpoint vulnerabilities but also offer actionable solutions for your IT teams. With DSecured, experience the pinnacle of high-quality, results-driven security services designed for immediate, tangible improvements.

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SaaS Penetration Testing
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Damian Strobel - CEO DSecured

Damian Strobel

CEO

My Recommendation

SaaS attack surfaces consistently reduced

Multi-tenancy, API security and permissions are central risk levers in SaaS environments. We test your product under realistic conditions and support you in building trust with customers.
Audit Focus

What we test in SaaS platforms

  • Multi-Tenancy & Data Isolation

    Tenant isolation bypasses, cross-tenant data access, shared resource exploits, and database-level isolation.

  • RBAC & Authorization Logic

    Role-based access control bypasses, privilege escalation, admin panel access, and custom permission systems.

  • Cloud Infrastructure & APIs

    REST/GraphQL APIs, microservices security, cloud misconfigurations (AWS/Azure/GCP), and Infrastructure as Code (IaC).

Multi-tenancy bypasses = most critical risk. IDOR + RBAC bypass = cross-tenant data breach.
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Why SaaS platforms need regular pentests

SaaS platforms are highly complex multi-tenant systems with critical requirements for data isolation, authorization, and compliance. From CRM systems to HR platforms to fintech SaaS - these systems manage sensitive customer data, complex user roles, and multi-tenancy architectures. The complexity makes SaaS a preferred target: tenant isolation bypasses, RBAC privilege escalation, IDOR vulnerabilities, API authorization issues, and cloud misconfigurations regularly lead to critical vulnerabilities - from cross-tenant data breaches to admin takeovers to full platform compromise.

Tenant separation & isolation bypass Missing tenant ID validation in queries, shared databases without row-level security, cache poisoning across tenant boundaries - multi-tenancy bypasses enable cross-tenant data access.

RBAC & privilege escalation Role-based access control bypasses via IDOR, authorization logic flaws in custom permission systems, admin panel access via parameter tampering - RBAC issues are the classic vulnerability in SaaS platforms.

API security & cloud misconfigurations REST/GraphQL authorization bypasses, mass assignment in API endpoints, exposed S3 buckets, overprivileged IAM roles, and container escape - cloud-native SaaS has unique risks.

We deliver prioritized results with PoC code, concrete fix recommendations for your dev team, and - if desired - management summaries for stakeholders, compliance audits (ISO 27001, SOC 2), and investors.

SaaS Pentest: Does automated testing make sense?

Automated methods are actually always part of penetration testing. However, it's clear that a proper penetration test is always a manual test - performed by an experienced pentest provider. Especially with SaaS platforms, the complexity of these platforms means that automated tools quickly become overwhelmed. They are also unable to recognize clear security-relevant connections within the complexity. Automated testing of authentication and authorization is often not possible either. Therefore, an automated test can only be a supplement, never a replacement for a manual test.

Multi-tenancy and user roles

For SaaS platforms, the separation between different tenants and user roles is critical. We systematically test whether these boundaries are maintained and whether it is possible to gain unauthorized access to data from other users or tenants.

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Related to a SaaS Pentest

How much does a penetration test cost?

It's difficult to tell how much a test will cost because every test is individual - but we always find a solution that fits every budget.

Go to "Costs"

How often should you have a penetration test carried out?

The frequency of a pentest depends on various factors - here is an overview.

Go to "Frequency"

What types of penetration testing are there?

The word "penetration testing" is a very general word and can describe various types of testing. An overview is available here.

Go to "Types"

How does a penetration test usually work?

The process of a pentest is usually always the same - but the steps differ depending on the type of test.

Go to "Process"

Pentest: Services

Web Application Penetration Testing

A large part of the internet is based on websites and web applications.

API Penetration Testing

Modern websites and SPAs usually communicate with some kind of API.

Vulnerability Scanning

Fully automated vulnerability scanning for your IT infrastructure or application.

What security vulnerabilities do we find during a SaaS pentest?

SaaS pentests uncover a wide spectrum of vulnerabilities - from multi-tenancy bypasses and RBAC privilege escalation to API authorization issues, cloud misconfigurations, and business logic flaws.

Multi-Tenancy & Tenant Isolation Bypasses

Missing tenant ID validation in queries, shared databases without row-level security, JWT tenant ID manipulation, and cache poisoning across tenant boundaries - multi-tenancy bypasses enable cross-tenant data access.

RBAC & Privilege Escalation

Role-based access control bypasses via IDOR, authorization logic flaws in custom permission systems, admin panel access via parameter tampering, and policy engine bypasses - RBAC issues are the classic vulnerability.

IDOR & Mass Assignment

Insecure direct object references enable cross-user/tenant data access, mass assignment via API endpoints leads to privilege escalation - IDOR is extremely critical in SaaS APIs with multi-tenancy.

Cloud Misconfigurations & Infrastructure

Exposed S3 buckets with customer data, overprivileged IAM roles, unsecured API gateways, container escape, and Kubernetes misconfigurations - cloud-native SaaS has unique infrastructure risks.

API Authorization & GraphQL Issues

REST/GraphQL authorization bypasses, batch query exploits in GraphQL, API rate limit bypasses, and missing function-level authorization - API security is critical for modern SaaS platforms.

Business Logic & Subscription Bypasses

Payment flow bypasses, feature flag manipulation, trial-to-paid bypasses, invoice manipulation, and subscription tier escalation - business logic flaws lead to financial loss.

How much does a SaaS pentest cost?

The price depends on complexity - number of user roles, tenants, API endpoints, microservices, and compliance requirements (SOC 2, ISO 27001) significantly affect the scope.

Startup-friendly

SaaS Security Quick Assessment

For early-stage SaaS startups (MVP/Series A)

$8,000 - $13,000
5-8 test days
  • Basic tenant separation testing (max. 3 roles)
  • RBAC and authorization testing
  • API security (REST/GraphQL)
  • OWASP Top 10 assessment
  • Cloud configuration overview (AWS/Azure/GCP)
  • Ticket-based reporting for dev team
Ideal for: SaaS MVPs, early-stage startups, small business SaaS without complex multi-tenancy
Recommended

Comprehensive Enterprise SaaS Pentest

For scaled SaaS platforms & enterprise

$16,000 - $55,000
12-35 test days
  • Complete whitebox review (code + infrastructure)
  • Advanced tenant separation testing (all roles & tenants)
  • RBAC, ABAC, and custom authorization logic
  • In-depth REST/GraphQL/gRPC API analysis
  • Cloud infrastructure review (IaC audit, container security)
  • Business logic & payment flow testing
  • SOC 2/ISO 27001 compliance support
  • Retest + management summary + investor report
  • Optional: Security architecture review & threat modeling
Ideal for: Enterprise SaaS, Series B+ startups, fintech/healthcare SaaS, multi-region deployments

Scope-dependent: Pricing is based on number of user roles, tenants, API endpoints, microservices architecture complexity, number of cloud providers (multi-cloud), and compliance requirements (SOC 2, ISO 27001). For very large enterprise SaaS platforms (100+ microservices, multi-region), we create custom proposals.

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Trust through experience

Some companies we have been able to help

We've had the privilege of working with some of the world's leading companies and strengthening their IT security.

Frequently asked questions

What problems are found during a SaaS pentest?

In general, you'll see all security vulnerabilities that occur in a web pentest - what's more decisive is which framework was used or whether one was used at all. SQL injections and code injections are quite rare, but they do occur regularly. Problems with user rights and IDORs are much more common.

What options are there to prevent our production environment from being affected?

Quite simple: The entire system is mirrored on a test server. There it can be thoroughly tested without risk. Even better: Demo data is used, so the tester has no access to real sensitive data.

We only want to test a specific component of our SaaS - is that possible?

Of course. This can be discussed during the scoping phase.

How long does a complete SaaS penetration test typically take?

SaaS platforms can be very small but also incredibly large and complex. Accordingly, a test can take 3-4 days - or even 2-3 weeks. It depends on the size and complexity.

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