Mobile application security testing

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Beyond web-only testing

Your web app was tested. Your mobile app is a different attack surface entirely.

Insecure local storage, exposed logs and reverse-engineering exposure live on the device itself — risks a web-focused test simply doesn’t reach. A mobile-specific methodology, aligned with the OWASP Mobile Top 10, is needed to catch them.

Data storage risks the web can’t see

Insecure local storage, cache and logs checked for sensitive data left unprotected on the device.

Client and API tested together

The app and the backend calls it makes are tested as one system, not two separate engagements.

Reverse-engineering resistance

Assessing how easily the binary can be decompiled or manipulated, and what it exposes.

Platform-specific methodology

Android and iOS have different security models, so each is tested to its own standard.

Flexible testing depth

Black-box, grey-box or white-box with source code — confirmed with you during scoping.

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The short version

What Is Mobile Application Security Testing?

Mobile apps introduce risks distinct from web applications — data stored insecurely on the device, sensitive information left in logs or cache, weak protection against reverse engineering, and API communication that can be intercepted or manipulated if not properly secured. A mobile-specific testing methodology, aligned with the OWASP Mobile Top 10, is needed to catch these risks, since a standard web application test won’t cover device-specific attack surface.

Two surfaces are tested as one, using a methodology specific to each platform:

Client-Side Testing

Binary analysis, local storage and reverse-engineering resistance on the installed app.

API & Backend Testing

The backend calls the app makes, tested independently of the client — often the more exposed layer.

Platform-Specific Methodology

Android and iOS tested to their own security models — not one generic checklist.

A common — and costly — assumption

Testing your web app doesn’t mean your mobile app is covered too.

It’s a common assumption that a company’s web application review also covers its mobile app — but mobile apps introduce their own attack surface that web-focused testing simply doesn’t touch.

The assumption that costs you

Left untested, and exposed.

Client and server, together.

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What you get

What lands on your desk.

Evidence and guidance developers can act on, not just a list of vulnerability names.

Platform-Specific Findings Report

Findings organized by Android/iOS, with proof-of-concept evidence and severity scoring.

Data Storage Findings

Specific issues found in local storage, cache, or logs.

API Test Results

Backend API vulnerabilities tested independently of the client app.

Remediation Roadmap

Developer-actionable guidance prioritized by risk.

Free Retest

Verification that fixes are effective, once remediation is applied.

Frequently Asked Questions

Everything You Need to Know

From a single website scan to a full enterprise-wide assessment, PS INFOSEC covers every layer of your security posture — technical testing, cloud, compliance, and everything in between.

Yes — both platforms are tested using platform-specific methodologies, since Android and iOS have different security models, storage mechanisms, and common vulnerability patterns.

Yes — mobile apps introduce risks specific to the device itself, like insecure local storage and reverse-engineering exposure, in addition to standard API/backend risks shared with web applications. A dedicated mobile testing methodology is needed to cover both.

Not necessarily — testing can be performed on the compiled application (black-box/grey-box), though providing source code enables a deeper white-box review if that level of assurance is needed. This is confirmed during scoping.

Yes — API communication security review is included, since mobile app vulnerabilities frequently exist in how the app talks to its backend, not just in the app itself.

By examining what the app stores locally on the device — including cache, logs, and local databases — for sensitive data that isn’t adequately protected, which is a common and frequently overlooked mobile-specific risk.

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Cybersecurity Engagements Scoped to Your Business

Every assessment is scoped to your systems and risk profile, so final pricing depends on what’s being tested — not a fixed monthly plan. These three tiers give a sense of what’s typically included at each stage.

Starter Security

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Advanced Protection

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Enterprise Security

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