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Penetration testing

Mobile Application Penetration Testing

Testing of your iOS and Android clients and the trust they place in your back end. Mobile apps routinely leak secrets and cache data in ways the business never intended.

How it works

Both sides of the mobile conversation

We test what the app stores and sends, and the back end it trusts, on real iOS and Android builds to the OWASP MASVS.

01

On-Device Storage and Secrets

Mobile apps routinely cache data and hold secrets on the device, where a lost phone or a malicious app can reach them. What is stored locally is often what hurts most.

Our methodology

We examine local storage, caches, logs, keychains and hardcoded secrets and API keys, testing what a person with the device, or a rogue app beside yours, could extract.

  • Insecure storage
  • Hardcoded secrets
  • Keychain
02

Transport and Certificate Handling

The link between app and back end is a prime target. Weak transport security or broken certificate handling lets an attacker read or tamper with traffic.

Our methodology

We test TLS configuration, certificate validation and pinning, and attempt interception and tampering of app traffic, showing whether an attacker on the same network can see or change what the app sends.

  • Transport security
  • Certificate pinning
  • MITM
03

Client and Back-End Trust

Mobile apps place too much trust in the client. Controls enforced only in the app are trivially bypassed, and the back end is often where the real data lives.

Our methodology

We test both sides of the conversation: client-side controls and tampering, and the APIs behind the app, aligned to the OWASP MASVS, so server-side authorisation and validation are proven, not assumed.

  • OWASP MASVS
  • Client tampering
  • Back-end trust
04

iOS and Android Coverage

The two platforms fail in different ways, and a real test needs to reflect how your app actually behaves on each.

Our methodology

We test on real iOS and Android builds, cover platform-specific issues, and deliver reproducible findings with clear remediation and a retest to confirm fixes.

  • iOS
  • Android
  • Reproducible
  • Retest
FAQ

Mobile Application Penetration Testing FAQs

What is mobile application penetration testing?

It is testing of your iOS and Android apps and the trust they place in your back end. Mobile apps routinely leak secrets and cache data in ways the business never intended, so both the client and the server side of the conversation are tested, aligned to the OWASP MASVS.

Do you test both iOS and Android?

Yes. The platforms fail in different ways, so we test real builds on each and cover platform-specific storage, transport and runtime issues, as well as the shared back-end APIs.

Do you also test the back-end API?

Yes. Much of a mobile app's risk lives server-side, so we test the APIs behind the app for authorisation and validation flaws. This can be scoped together with, or as part of, API penetration testing.

What standard do you follow?

The OWASP Mobile Application Security Verification Standard (MASVS), covering storage, cryptography, authentication, network communication, platform interaction and code quality.

What do you need from us?

The app build (IPA/APK or a TestFlight/internal track), test accounts, and any relevant back-end documentation. We can test with or without source code depending on the depth you need.

Test your app before your users are exposed

Scope a mobile application penetration test aligned to OWASP MASVS. Fixed scope, fixed price, no obligation.

No obligation, no sales pressure. A senior operator replies within one business day.

1300 654 898Free Consultation