Mobile Security Statistics 2026: App & API Risk Trends

Mobile security statistics for 2026 show that mobile risk is driven by a combination of app vulnerabilities, insecure APIs, data leakage, weak authentication and authorization, excessive permissions, third-party SDKs, mobile phishing, malware, and platform-specific weaknesses. The highest-risk mobile issues often sit outside the phone screen: backend APIs, cloud services, identity flows, payment workflows, analytics SDKs, and user data moving between the app and external services.

The practical lesson is simple: mobile security requires security validation beyond scanning the app package alone. Security teams need to test the Android or iOS client, the backend APIs, local storage, network traffic, authentication and token behavior, runtime manipulation resistance, SDK privacy behavior, and remediation quality. This guide uses public 2024-2026 research and labels each statistic by data type so mobile-specific findings are not mixed with general app, API, or breach benchmarks.

Methodology note

This 2026 guide combines mobile-security-specific research, mobile app security reports, mobile threat intelligence, AppSec and API security benchmarks, OWASP MASVS and OWASP MASTG guidance, Android and iOS platform security documentation, and cross-industry breach research. Each statistic is labeled by data type so general cybersecurity or API benchmarks are not treated as mobile-only evidence. Where a statistic is not mobile-specific, it is used only as context for mobile security risk. Source links point to official report pages or source hubs where available.

Top Mobile Security Statistics for 2026

Statistic	Data type	What it shows	Mobile security implication	Source
95% of tested mobile apps fail at least one OWASP MASVS security control.	Mobile app benchmark	Nearly all tested apps have at least one mobile control gap.	MASVS-based testing should be used to validate storage, network, auth, platform, and resilience controls.	NowSecure Mobile App Security Research
85% of analyzed mobile apps contain security flaws.	Mobile app benchmark	Security defects are widespread across mobile applications.	Teams should assume mobile apps require validation before release, not only after incidents.	NowSecure Mobile App Risk Intelligence
70% of analyzed mobile apps can leak personal data.	Mobile app privacy benchmark	Mobile apps often expose PII through storage, APIs, logs, SDKs, or data flows.	Data leakage testing should cover local storage, traffic, API responses, SDK telemetry, notifications, and backups.	NowSecure Mobile App Risk Intelligence
62% of analyzed Android apps request one or more dangerous permissions.	Mobile privacy benchmark	Many apps request sensitive device access.	Permission use should be tested against business need and data minimization expectations.	NowSecure Mobile App Security Research
77% of analyzed apps contain personally identifiable information.	Mobile app privacy benchmark	Most mobile apps process user-sensitive data.	PII in mobile workflows increases the impact of storage, SDK, API, and logging flaws.	NowSecure Mobile App Security Research
35% of analyzed iOS apps omit privacy data disclosure.	Mobile privacy benchmark	Some apps do not clearly disclose all collected data.	Privacy review should compare declared data collection with observed app and SDK traffic.	NowSecure Mobile App Security Research
75% of surveyed organizations reported mobile phishing attempts.	Industry survey benchmark	Mobile users remain heavily targeted by phishing and smishing.	Mobile security programs should include phishing-resistant authentication, user education, and account abuse monitoring.	Verizon Mobile Security Index
83% of phishing sites are designed to target or work well on mobile devices.	Platform/threat benchmark	Attackers optimize phishing for mobile interaction patterns.	Mobile identity flows should assume OTP theft, credential phishing, and malicious links are realistic threats.	Google Android Security & Privacy Reports
50% of enterprise mobile devices run outdated operating-system versions.	Mobile threat benchmark	Many devices do not receive the latest security fixes.	Apps should not fully trust device integrity and should use strong backend validation and attestation where appropriate.	Zimperium Global Mobile Threat Report
25% of devices are too old to upgrade to current operating-system versions.	Mobile threat benchmark	Legacy devices create persistent exposure.	Critical apps should consider device-state checks, minimum supported OS versions, and risk-based access controls.	Zimperium Global Mobile Threat Report
23.5% of enterprise devices have sideloaded apps.	Mobile threat benchmark	Unofficial app installation remains a mobile risk path.	Mobile apps should account for hostile device environments and not rely only on app-store vetting.	Zimperium Global Mobile Threat Report
51% of surveyed organizations reported a mobile-app incident.	Industry survey benchmark	Mobile app compromise, malware, or vulnerability incidents are common.	Mobile apps should be tested as critical application assets, especially when they process sensitive data.	Verizon Mobile Security Index
64% of surveyed organizations report significant or extreme mobile security risk.	Industry perception benchmark	Mobile security is now a board-level and risk-management concern.	Executives should connect mobile risk to account takeover, data exposure, fraud, and operational disruption.	Verizon Mobile Security Index

These statistics show that mobile risk is not measured only by app downloads, device count, or operating-system choice. It depends on what data the app stores, what APIs it calls, how tokens are issued and revoked, what SDKs collect, which permissions are requested, and whether high-risk workflows are tested under realistic attacker conditions.

Cross-industry breach statistics are useful for context, but mobile-specific benchmarks are more actionable when they point to concrete control gaps: insecure storage, weak authentication, API authorization flaws, excessive permissions, SDK leakage, weak certificate validation, runtime tampering, and missing retesting.

What Counts as a Mobile Security Incident?

A mobile security incident occurs when a mobile app, device, API, token, SDK, platform feature, or backend service is exposed, abused, disrupted, or compromised in a way that affects data, identity, transactions, privacy, or business logic.

Mobile app data breach: sensitive user data is exposed through the app, local storage, API responses, or backend services.
Mobile API data leakage: a backend API used by the app returns another user, tenant, order, invoice, or record.
Insecure local storage: tokens, credentials, PII, or secrets are stored in plaintext or weakly protected locations.
Token leakage or replay: API keys, JWTs, refresh tokens, or session tokens are extracted and reused.
Broken authentication or authorization: login, session, role, tenant, or object-level checks fail.
SDK data leakage: analytics, ads, crash-reporting, or third-party SDKs collect or transmit sensitive data.
Runtime manipulation: attackers use root, jailbreak, Frida, hooks, or instrumentation to alter app behavior.
Reverse engineering: attackers inspect the app binary to find endpoints, secrets, logic, or hidden functions.
Mobile malware, spyware, phishing, and smishing: device-level or user-targeted attacks compromise identity or data.

A mobile device incident is not the same as a mobile app incident. A device incident may involve malware, loss, theft, rooting, or jailbreak. A mobile app incident involves the app client, its storage, code, SDKs, or behavior. A mobile API incident happens through backend endpoints used by the app. Mature programs separate these categories so remediation and testing can be scoped correctly.

Mobile Security Threats in 2026

Mobile security threat	Why it matters	Common failure mode
Mobile phishing / smishing	Users interact with links, OTPs, and account flows on mobile.	Credential theft, OTP theft, malicious links, fake login pages.
Malicious or sideloaded apps	Unofficial apps can bypass normal app-store review paths.	Repackaged apps, trojans, spyware, and hidden payloads.
Spyware and stalkerware	Stealth malware can capture messages, location, camera, mic, and keystrokes.	Remote monitoring tools, stalkerware apps, and targeted surveillance.
Insecure mobile apps	Client flaws can expose local data or support workflow abuse.	Hardcoded secrets, weak crypto, insecure WebViews, exposed endpoints.
Weak mobile API authorization	Backend APIs may trust the app client too much.	BOLA/IDOR, broken tenant isolation, role bypass.
Token leakage / replay	Stolen tokens allow persistent account access.	Long-lived refresh tokens, mobile token extraction, missing revocation.
Third-party SDK leakage	Embedded SDKs may collect or transmit sensitive user data.	Analytics, ads, crash logs, overcollection, hidden network calls.
Runtime manipulation	Attackers can modify app behavior on compromised devices.	Frida hooks, root/jailbreak bypass, payment or entitlement abuse.
Certificate pinning gaps	Traffic interception may expose API calls and tokens.	Weak TLS validation, pinning bypass, unsafe trust stores.
Cloud/API backend exposure	Mobile apps often rely on cloud-hosted APIs and storage.	Misconfigured Firebase/cloud storage, weak API auth, excessive data responses.

Device-level threats matter, but app owners still control many of the highest-impact risks through secure design, backend authorization, token lifecycle management, data minimization, certificate validation, and mobile-specific penetration testing.

Mobile App Security Risks

Mobile app risk	Android example	iOS example	Validation method
Insecure storage	Token in SharedPreferences or local database.	Token in insecure plist, file, or improper Keychain use.	Static and dynamic storage review.
Key storage weakness	Weak Android Keystore use or plaintext keys.	Keychain misuse or keys stored outside protected storage.	Secure storage review.
Insecure communication	Weak TLS validation or permissive Network Security Config.	ATS exception misuse or weak certificate validation.	Network traffic testing.
Hardcoded secrets	API key, token, or endpoint inside APK/AAB.	API key or certificate inside IPA.	Reverse engineering.
Runtime tampering	Frida/root hooks bypass checks.	Jailbreak/instrumentation modifies logic.	Runtime manipulation testing.
Insecure deep links	Intent or exported component abuse.	URL scheme or universal-link abuse.	Platform feature testing.
Sensitive logs	PII, tokens, or debug data in Logcat.	PII in device logs or crash output.	Log review.
Third-party SDK leakage	Ad or analytics SDK sends identifiers or PII.	Analytics or crash SDK transmits sensitive data.	SDK and traffic review.

Mobile App API Security

Mobile APIs are often the highest-risk layer because mobile clients run on devices that attackers can inspect, proxy, tamper with, and replay. API keys embedded in mobile apps should not be treated as secrets. Backend services must enforce user, role, object, tenant, and workflow authorization on the server side.

Mobile API risk	How it happens	Impact	Validation method
BOLA / IDOR	User changes object ID in a mobile API call.	Access to another user, tenant, order, file, or record.	Mobile API penetration testing.
Token replay	Captured token remains valid after logout or refresh.	Account takeover persistence.	Token lifecycle testing.
Hardcoded API key	Key extracted from app binary.	Unauthorized API access or abuse.	Reverse engineering.
Weak backend auth	Backend trusts client-side checks.	Privilege abuse or role bypass.	Backend authorization testing.
Excessive data response	API returns full user object or sensitive fields.	Data leakage and privacy exposure.	API response review.
Weak rate limiting	Login, OTP, search, or checkout endpoints lack throttling.	Credential stuffing, OTP abuse, scraping, fraud.	Abuse-case testing.
GraphQL overexposure	Deep queries or resolver flaws return extra data.	Sensitive data leakage.	GraphQL testing.
Payment workflow flaw	API trusts client-side price, status, or entitlement.	Fraud or transaction abuse.	Business logic testing.

Android vs iOS Security Risks

Android and iOS have different security models, but neither platform is universally secure or insecure. Risk depends on app design, device state, update status, permissions, backend APIs, enterprise management, and how the app handles identity and data.

Platform area	Android risk	iOS risk	Validation priority
App package	APK/AAB reverse engineering and AndroidManifest review.	IPA inspection and entitlement review.	Static analysis.
Local storage	SharedPreferences, local DB, files, cache, backups.	Keychain, plist, files, UserDefaults, backups.	Storage testing.
Platform routing	Intents, exported components, content providers.	URL schemes and universal links.	Deep-link testing.
Permissions / entitlements	Camera, contacts, SMS, location, microphone.	HealthKit, NFC, keychain groups, app groups.	Permission and entitlement audit.
Runtime tampering	Root, Frida, Xposed, emulator bypass.	Jailbreak, instrumentation, re-signing scenarios.	Runtime testing.
Network security	Network Security Config gaps, weak TLS validation.	ATS exceptions or weak certificate handling.	Traffic inspection.
App integrity	Sideloading, repackaging, signature bypass.	Jailbreak/re-signing scenarios.	Integrity control review.

Mobile Data Leakage

Leakage path	Example	Why it matters	Validation method
Local storage	Token stored in plaintext.	Account takeover or data extraction.	Storage review.
Logs	PII, tokens, or debug data written to logs.	Data exposure through logs, backups, or debugging.	Log review.
Push notifications	Sensitive message or OTP preview.	Privacy exposure on locked/shared devices.	Notification testing.
SDK telemetry	Analytics, ads, or crash SDK sends PII.	Privacy, compliance, and third-party risk.	SDK traffic review.
API response	Backend returns excessive fields.	Data leakage beyond intended user need.	API response review.
Clipboard	Sensitive value copied by the app.	App-to-app leakage or malicious clipboard access.	Platform behavior test.
Screenshots / backgrounding	Sensitive screen remains visible in app switcher.	Privacy exposure.	Backgrounding test.
Backups	Sensitive app data included in cloud or device backups.	Data exposure through backup access.	Backup configuration review.

Mobile data leakage should be tested across every data path: on-device storage, logs, network calls, SDK telemetry, API responses, notifications, clipboard behavior, screenshots, backups, and cloud services. A mobile app can pass a basic vulnerability scan and still leak sensitive data through analytics SDKs, debug logs, or excessive API responses.

Mobile Platform Threats and Malware

Mobile malware, banking trojans, spyware, stalkerware, malicious sideloaded apps, overlay attacks, accessibility-service abuse, SMS/OTP interception, rooted or jailbroken devices, and unmanaged enterprise devices all affect mobile security. These threats are especially relevant for financial, healthcare, identity, enterprise, and consumer apps that process sensitive data or payment workflows.

App owners cannot eliminate device-level risk entirely, but they can reduce impact through secure storage, token revocation, step-up authentication, device integrity checks, strong backend authorization, anti-tamper controls, and monitoring for abnormal mobile API behavior.

Mobile Security Testing Trends and Validation Roadmap

Testing method	Best for	What it validates
Static analysis	APK/IPA, source, binaries.	Hardcoded secrets, unsafe config, insecure storage.
Dynamic analysis	Running app behavior.	Data leakage, traffic, runtime behavior.
Reverse engineering	App logic and binaries.	Exposed endpoints, keys, tamper resistance.
Runtime manipulation	Root/jailbreak/Frida scenarios.	Client-side trust and anti-tamper controls.
Mobile API testing	Backend APIs.	BOLA, auth, token handling, excessive data exposure.
Network testing	TLS and traffic flows.	Certificate validation, pinning, sensitive transfer.
SDK/privacy review	Third-party SDKs.	Data collection and leakage.
Deep link testing	App links and URL schemes.	Unauthorized actions and data exposure.
Retesting	Post-remediation.	Whether fixes actually reduced risk.

First 30 days: inventory all mobile apps, app versions, platforms, backend APIs, SDKs, permissions, and sensitive data flows. Identify apps handling PII, PHI, payments, credentials, identity, location, or enterprise data. Review authentication flows, token storage, API endpoints, and local storage.

First 90 days: run mobile app penetration testing for critical Android and iOS apps. Test mobile API authorization, BOLA/IDOR, token replay, backend auth, TLS validation, certificate pinning, root/jailbreak bypass, reverse engineering resistance, deep links, WebViews, push notifications, and local data handling. Start remediation retesting.

First 12 months: add mobile testing before major releases, integrate mobile API testing into AppSec workflows, review SDK/privacy behavior quarterly, test high-risk payment and identity workflows, and report mobile security metrics to AppSec and executive stakeholders.

Mobile Security by Use Case

Use case	Common mobile exposure	Main breach concern	Validation priority
Fintech / banking	Account, payment, KYC, identity, and 2FA APIs.	Fraud, account takeover, payment abuse.	Mobile API, auth, runtime, and transaction logic testing.
Healthcare	PHI, patient portals, mobile records, telehealth APIs.	PHI leakage and privacy exposure.	Storage, API auth, data minimization, SDK review.
Retail / ecommerce	Checkout, loyalty, account, cart, coupon APIs.	ATO, payment abuse, coupon abuse.	Rate-limit, BOLA, business logic testing.
SaaS mobile apps	Multi-tenant mobile backends and admin workflows.	Tenant data exposure.	BOLA and tenant isolation testing.
Enterprise apps	Internal APIs, SSO, MDM, device trust.	Unauthorized access to company resources.	SSO, storage, device-state, and API testing.
Social / messaging	User content, media, contacts, location.	Privacy and data leakage.	Storage, API, privacy, and anti-tamper testing.
Travel / hospitality	Booking, identity, loyalty, payment flows.	Account and payment exposure.	Workflow and API abuse testing.

Mobile Security Metrics That Matter

Metric	What it measures	Why it matters
Critical app coverage	High-risk apps tested.	Aligns testing with business risk.
Mobile API test coverage	Backend endpoints tested.	Measures API exposure validation.
BOLA test coverage	Object and tenant checks tested.	Measures authorization assurance.
Insecure storage findings	Tokens, secrets, or data stored unsafely.	Tracks data leakage risk.
SDK risk findings	Third-party SDK issues.	Tracks privacy and supply-chain risk.
Token lifecycle findings	Replay, expiry, refresh, and revocation flaws.	Measures account takeover risk.
Retest pass rate	Whether fixes worked.	Prevents false closure.
MASVS coverage	Controls mapped to OWASP MASVS.	Shows mobile control maturity.

How Mobile App Penetration Testing Fits Mobile Security

Automated scans and code review are useful, but mobile application penetration testing validates how an attacker can reverse engineer the app, manipulate runtime behavior, intercept traffic, abuse APIs, replay tokens, extract local data, bypass client-side checks, and exploit backend authorization flaws.

Testing type	Best for	What it validates
Android app pentest	APK/AAB apps.	Storage, intents, exported components, runtime behavior.
iOS app pentest	IPA apps.	Keychain, ATS, URL schemes, jailbreak scenarios.
Mobile API pentest	Backend APIs.	BOLA, authentication, token replay, excessive data exposure.
Runtime testing	Tamper, root, jailbreak, and hook scenarios.	Client-side trust and anti-tamper controls.
Reverse engineering	App binaries.	Hardcoded secrets, endpoints, logic exposure.
Network testing	App traffic.	TLS, pinning, sensitive data transfer.
SDK/privacy review	Third-party SDKs.	Data leakage and privacy exposure.
Retesting	Post-remediation.	Whether fixes actually reduced risk.

Mobile Security Statistics: Executive Takeaways

Mobile risk is not only device risk. It includes the app, backend APIs, cloud services, SDKs, identity flows, local storage, and user behavior.
Mobile API security is often the highest-risk layer because attackers can intercept, replay, and modify backend calls outside the intended app UI.
Android and iOS require different testing workflows, but both depend on backend authorization and secure data handling.
Data leakage should be tested across storage, logs, push notifications, SDKs, API responses, clipboard behavior, screenshots, and backups.
SDK risk is a mobile security issue because third-party libraries can collect, process, or transmit sensitive data.
Mobile app penetration testing proves whether controls resist real attack paths, not only whether the app passes automated checks.
Retesting should be treated as a control. A mobile finding is not closed until the exploit path is rechecked after remediation.
The strongest mobile programs combine MASVS-based testing, mobile API testing, privacy review, runtime testing, and continuous validation.

FAQs

What are the most important mobile security statistics for 2026?

The most important mobile security statistics are the ones tied to actual outcomes: app vulnerabilities, data leakage, mobile phishing, outdated devices, dangerous permissions, insecure APIs, and low testing maturity. Tool adoption matters less than whether high-risk apps are known, tested, fixed, and retested after changes.

What are the biggest mobile security threats?

The biggest mobile security threats include phishing and smishing, malicious or sideloaded apps, spyware, insecure mobile apps, weak mobile API authorization, token leakage, excessive permissions, third-party SDK leakage, reverse engineering, runtime manipulation, and cloud/API backend exposure.

What are the most common mobile app security risks?

Common mobile app security risks include insecure local storage, weak authentication, broken authorization, hardcoded secrets, insecure communication, sensitive data in logs, unsafe WebViews, weak cryptography, excessive permissions, third-party SDK data leakage, insecure deep links, and insufficient runtime protection.

Why is mobile API security important?

Mobile API security is critical because the mobile app is not a trusted environment. Attackers can proxy traffic, replay tokens, alter request parameters, reverse engineer endpoints, and call backend APIs directly. The server must enforce authentication, authorization, object ownership, rate limits, and data minimization.

How do mobile apps leak data?

Mobile apps can leak data through plaintext local storage, logs, crash reports, push notifications, clipboard behavior, screenshots, backups, excessive API responses, cloud storage, WebViews, and SDK telemetry. Testing should inspect both on-device data and network behavior.

Are Android apps less secure than iOS apps?

No platform is universally more secure. Android and iOS have different risks and controls. Android testing often emphasizes APK inspection, exported components, intents, permissions, and sideloading risk. iOS testing emphasizes IPA inspection, entitlements, Keychain behavior, ATS, URL schemes, and jailbreak scenarios. Both require backend API validation.

What is mobile app penetration testing?

Mobile app penetration testing is a controlled assessment of an Android or iOS app and its supporting APIs. Testers inspect the app binary, local storage, authentication, network traffic, API calls, platform features, runtime behavior, third-party SDKs, and business workflows to find exploitable weaknesses.

How often should mobile apps be tested?

High-risk mobile apps should be tested before major releases, after authentication or API changes, after SDK or payment workflow changes, and after high-risk remediation. Annual testing is a minimum for critical apps; fast-changing apps benefit from continuous testing and remediation retesting.

What is OWASP MASVS?

OWASP MASVS is the Mobile Application Security Verification Standard. It defines security control categories for mobile apps, including storage, cryptography, authentication, network communication, platform interaction, code quality, resilience, privacy, and anti-tamper considerations. It is commonly paired with OWASP MASTG for testing guidance.

What security testing helps prevent mobile app breaches?

Useful testing includes static analysis, dynamic analysis, reverse engineering, runtime manipulation, local storage review, network traffic testing, authentication testing, mobile API penetration testing, SDK/privacy review, deep-link testing, MASVS/MASTG mapping, and remediation retesting.

How does mobile security differ from web application security?

Web application security and mobile security share API and backend concerns, but mobile adds client-side and platform risks: local storage, app binaries, device state, permissions, SDKs, deep links, push notifications, reverse engineering, runtime tampering, and Android/iOS platform behavior. Secure backend APIs remain essential in both mobile and web contexts.

Conclusion

Mobile security in 2026 is about validating the app, the backend API, the platform controls, the identity model, the data flows, and the third-party SDKs before attackers abuse them. The strongest programs do not stop at app-store approval, automated scanning, or device management. They prove that data is stored safely, tokens expire and revoke correctly, APIs enforce object and tenant boundaries, SDKs do not over-collect, and high-risk workflows resist abuse.

DeepStrike helps organizations validate mobile exposure through Android and iOS application penetration testing, mobile API testing, authentication and authorization testing, local storage review, reverse engineering, runtime manipulation testing, SDK/privacy review, continuous testing, and remediation retesting.

About the author

Mohammed Khalil is a Cybersecurity Architect at DeepStrike, specializing in advanced penetration testing and offensive security operations. With certifications including CISSP, OSCP, and OSWE, he has led red team and application security engagements for organizations in technology, finance, healthcare, and regulated environments. His work focuses on real-world attack path validation, cloud security, application vulnerabilities, PCI exposure, and adversary emulation.

Source methodology and source list

All statistics in this article are drawn from public mobile security research, mobile app security reports, mobile threat intelligence, OWASP guidance, platform security documentation, AppSec/API research, and breach benchmarks. Source names below link to official report pages or source hubs where available.

Mobile Security Statistics 2026: Apps, APIs and Data Leakage