Cyber Security Audit Costs for Android Mobile Apps

Baseline Rates: RM 18k to RM 90k per APK

There is no single price card for an Android audit in Malaysia. The market splits into three measurable brackets, and the price difference comes from depth, not vendor greed.

– Automated layer only (RM 3,500 – RM 8,000). The vendor runs MobSF, AndroBugs, or Qark against the APK, hand-checks the exported components, and issues a compliance-style PDF. This catches leftover debug flags, missing SSL pinning, and cleartext traffic declarations. It does not test runtime memory corruption or backend API logic. Expect a 3-to-5-day turnaround.

– Standard OWASP MASVS-L1 audit (RM 18,000 – RM 45,000). This is the most commonly tendered package in the Klang Valley. A senior tester performs static analysis, dynamic instrumentation with Frida, intercepts traffic through Burp Suite Pro, and validates every export for privileged intent hijacking. Deliverable is an 80-to-140-page report mapped against the OWASP Mobile Application Security Verification Standard, with CVSS v3.1 scores per finding. Your remediation retest is priced separately — RM 4,000 to RM 8,000 per cycle.

– Full L2 + source review (RM 80,000 – RM 150,000). Reserved for fintech, e-wallet, and insurance apps. The auditor receives the Kotlin/Java/Flutter source tree, reviews cryptographic key handling in the Android Keystore, audits token storage in SharedPreferences or EncryptedSharedPreferences, and proceeds to API fuzzing of every endpoint the app talks to. Quote includes 2 retest cycles and a sign-off letter usable by your audit committee.

Senior consultant man-day rates in the Klang Valley float between RM 2,800 and RM 4,500, which puts a 12-day standard audit at roughly RM 33,000 to RM 54,000 in labor alone before overhead.

What Drives the Quote: DEX Size, Exported Components, and SDK Bloat

Vendors price on a fixed quote, but behind that quote is a linear man-day estimation model built on three concrete variables:

1. Exported component count. Every `android:exported=”true”` activity, service, and broadcast receiver is an attack surface the tester must map. An app with 15 exported components requires 3 to 4 extra days of inter-process communication validation. A default Flutter app with one MainActivity and a host of platform channels costs less than a legacy native Kotlin app with 40 exported receivers.

2. API endpoint breadth. The number of unique backend endpoints the APK references dictates API-level testing depth. If token refresh is handled by three endpooints and user data by twelve, the auditor buffers extra days for authentication state machine testing. Weak refresh-token rotation is the top find in KL fintech audits; it costs more to test because it needs a live backend test environment.

3. Third-party SDK inventory. Ad SDKs, analytics kits, payment gateways, and crash-reporting libraries each bring their own certificate pins and data streams. A standard audit inventory for a Malaysian e-commerce app finds 6 to 11 third-party SDKs. Each added SDK requires manifest merger review and a check of whether the SDK leaks PII into unsecured HTTP endpoints. Bloat is not just a privacy problem — it adds RN 2,000 to RM 5,000 per quote.

BNM, Bursa, and PDPA Push the Budget Up

The letter of engagement changes when your app lives in a regulated vertical. Three regulatory instruments in Malaysia actively force Android audit spend:

– BNM’s RMiT (Risk Management in Technology). Paragraph 13.4 requires financial institutions to conduct independent security reviews of mobile applications at least annually — and more often if the app handles high-risk transactions. E-wallet operators and digital banks in Kuala Lumpur renew their third-party Android audits every 12 months as a board-level key risk indicator. Non-compliance is tracked by BNM examiners.

– Bursa Malaysia Listing Requirements. Listed companies increasingly attach cyber security audit deliverables to their annual report obligations. A listed issuer whose Android app processes customer orders must demonstrate a verified penetration test cycle to satisfy the audit committee. This raises the ceiling on report quality, because external auditors will actually question a thin 20-page PDF.

– PDPA (Personal Data Protection Act 2010). The act does not legally mandate mobile app penetration testing. But Department of Personal Data Protection enforcement actions in 2023–2024 reference “reasonable security measures” in their findings, and the de facto standard is an OWASP-aligned code and runtime audit. Insurance underwriters now treat the audit evidence as a prerequisite for cyber liability coverage — hence the RM 5,000-to-RM 12,000 premium you pay for a report written in a form underwriters accept.

Vendor Work Packages and the Report They Hand Over

You are not paying for “security.” You are paying for a specific stack of deliverables, and KL vendors segment their pricing around these:

Static analysis phase. Decompile the APK with jadx, check for hardcoded API keys, inspect the AndroidManifest. The tester flags dangerously exposed Firebase IDs and hardcoded AWS keys — this find shows up in 60% of initial KL audits.

Dynamic analysis phase. Install a patched APK on a rooted Pixel or emulator, hook with Frida, intercept via Burp, test certificate pin bypass. The real cost driver here is the writing-up of proof-of-concept screenshots; a good PoC for a token reuse flaw takes half a day to document.

Remediation retest. After the developer fixes the reported issues, the auditor re-runs the targeted tests, not the full suite. That is priced at 15–20% of the original quote depending on the count of re-tested items.

The report quality bar matters. A Cybersecurity Malaysia-attested report (relevant for federal government tenders) adds around RM 4,000 to RM 6,000 to the package. Private sector purchasers in KL typically skip the attestation and accept a report signed by a named principal consultant with OSCP or OSWE credentials.

Practical Budgeting for a KL Android Shop

When you request audits from three vendors, compare quotes on the retest terms and the named principal tester — not the headline figure.

– Negotiate the retest into the initial quote. Most KL vendors quote a base price and a retest price. Lock a 2-cycle retest clause explicitly into the engagement letter; remediation between cycles adds weeks to your release schedule and you do not want to re-negotiate prices mid-fix.

– Insist on a named tester with OSCWE or equivalent. Several KL firms sell you a senior consultant in the proposal and staff the engagement with a junior. Ask for the tester’s LinkedIn and prior Android audit artifact (a redacted report excerpt). One good tester finishes in 10 days; a junior drags to 20.

– Budget the annual cycle, not the one-off. If your app updates monthly, budget for one major audit per year at RM 35,000 average and a quarterly automated MobSF scan at RM 2,500 — the automated layer catches cheap regressions between your expensive, manual verification windows.