Mobile app penetration testing from Sumrite for the app in every customer's pocket.
Mobile apps store tokens, call APIs, and run on devices you do not control. We test iOS and Android the way real attackers do — app, traffic, and server logic — so you ship updates with confidence.
What this helps you achieve
Keep on-device data safe
Find tokens and personal data left where other apps can read them.
Trust app-to-server connections
Validate encryption and whether traffic can be intercepted.
Meet enterprise and store requirements
Support security reviews from banks, healthcare, and global buyers.
Cover app and API together
One engagement tests the client and the backend it uses.
Sumrite’s testers run your mobile app VAPT by hand, and the report is issued through a CERT-In empanelled auditor. One team from scoping to sign-off, built for Indian regulators, enterprise buyers and government work.
Accepted where it is requiredRegulators, auditors and procurement teams that ask for a CERT-In empanelled auditor’s report, including SEBI-regulated entities and government and PSU contracts.
One team, one contractSumrite handles scoping, testing, the report and the retest. You do not manage a second vendor.
Real testing, not a scanManual exploitation with evidence for every finding, and a retest after your fixes.
Yes. We run the full engagement for you and route the formal attestation through our network of CERT-In empanelled partner auditors, so you deal with one team from scoping to report.
What is mobile app VAPT?
Mobile app VAPT is an expert-led security assessment of an iOS or Android app together with the backend it talks to. The app runs on devices you do not control, so a tester looks at it the way an attacker with the installed app would: what it stores on the phone, which secrets are built into the binary, whether its traffic can be intercepted or altered, and whether deep links or exported components let other apps reach screens that should need a login. Because most real damage happens server-side, the APIs the app calls are tested in the same engagement. The work follows the OWASP Mobile Application Security Verification Standard (MASVS) and the OWASP Mobile Top 10. The report separates app-side and server-side findings, rates each one, and gives fixes for both mobile and backend developers, with re-testing included.
How Sumrite mobile testing maps to OWASP MASVS
MASVS group
What Sumrite tests
MASVS-STORAGE
Tokens, personal data and keys stored on the device, logs, backups and caches
MASVS-CRYPTO
Weak algorithms, hard-coded keys and misuse of the platform keystore
MASVS-AUTH
Login, session handling, biometrics and the server-side checks behind them
MASVS-NETWORK
TLS configuration, certificate pinning and traffic interception
MASVS-PLATFORM
Deep links, exported components, WebViews and inter-app communication
MASVS-CODE
Third-party libraries, input handling and debug code left in release builds
MASVS-RESILIENCE
Root and jailbreak detection, tamper and reverse-engineering protections
MASVS-PRIVACY
Data collected, permissions requested and what leaves the device
OWASP MASVS (Mobile Application Security Verification Standard) groups mobile security into eight control areas. Sumrite tests each one on real Android and iOS builds, together with the APIs behind the app.
TLS, certificate validation and pinning, traffic tampering
The app accepts an intercepting proxy's certificate
Platform interaction
Deep links, intents, URL schemes, WebViews
A deep link opens the account screen without logging in
Binary and secrets
Hard-coded API keys, debug flags, obfuscation
A third-party API secret extracted from the app package
Backend APIs
The same access and authentication checks as an API test
One user's app session reads another user's records
How an engagement runs
Scope and NDA. Tell us what needs testing and why. You get a fixed-price quote and an NDA is signed before any technical detail changes hands.
Rules of engagement. Targets, test windows, accounts, safety contacts and anything off-limits are agreed in writing before testing starts.
Expert-led testing. A researcher tests by hand, using tools to speed up the routine parts. Every finding is reproduced and confirmed before it is reported.
Report. An executive summary for leadership, then each finding with a CVSS severity, the evidence, steps to reproduce and a fix your team can apply.
Re-test. Once fixes are in, we test them again and record the result, so the final report shows what was found and what is now closed.
Mobile App VAPT: common questions
What do you need for a mobile app test?
An IPA or APK build, or TestFlight and internal-track access, plus test accounts. A build without heavy obfuscation speeds up the work; release-build checks can be added if needed.
They can be tested together or separately. Where both apps share a backend, the API is tested once and the platform-specific checks are done on each app.
No. Store review checks policy and obvious malware. It does not test your access control, data storage or backend APIs, which is where most real mobile breaches start.
We run the full engagement for these frameworks, and where a formal audit or attestation is needed we route it through our local partner firms, so you deal with one team.
Every phase is run by a security expert, with tools used only to speed up the routine parts. Findings are reproduced and confirmed before they reach your report.
Static analysis
Decompile and review the binary, manifest and entitlements
Hard-coded secrets, keys and endpoints
Insecure storage design and third-party SDK risk
Obfuscation and tamper-protection review
Dynamic analysis
Runtime instrumentation and hooking on rooted and jailbroken devices
Local storage, keychain, keystore, logs and clipboard
Certificate pinning and root or jailbreak detection bypass
Deep links, intents and inter-app communication abuse
Network and backend
Traffic interception and TLS validation
API authorisation behind the app: token reuse, BOLA
Server-side checks the client wrongly enforces
OWASP MASVS coverage
Storage, crypto, authentication, network, platform, code and resilience requirements
◆ Expert-only work: beyond scanners and AI
Reverse-engineering custom protections and bypassing them live
Tracing a client-side control to the server check that should exist
Judging real exploitability on a lost or stolen device
Chaining an app weakness with an API flaw
Step 3 of 603
Draft report in 48 hours
Findings are written for two readers at once: developers who need the exact fix and auditors or buyers who need confidence.