[{"data":1,"prerenderedAt":212},["ShallowReactive",2],{"blog-checklists/mobile-app-security-checklist":3},{"id":4,"title":5,"body":6,"category":189,"date":190,"dateModified":190,"description":191,"draft":192,"extension":193,"faq":194,"featured":192,"headerVariant":197,"image":198,"keywords":198,"meta":199,"navigation":200,"ogDescription":201,"ogTitle":198,"path":202,"readTime":198,"schemaOrg":203,"schemaType":204,"seo":205,"sitemap":206,"stem":207,"tags":208,"twitterCard":210,"__hash__":211},"blog/blog/checklists/mobile-app-security-checklist.md","Mobile App Security Checklist: 16-Item Guide for iOS and Android",{"type":7,"value":8,"toc":183},"minimark",[9,16,19,22,47,66,83,101,119,124,127,130,152,171],[10,11,12],"tldr",{},[13,14,15],"p",{},"This 16-item checklist covers the most critical security issues in mobile apps: secure storage, network security, and code protection. 5 critical items must be fixed before launch, 5 important items within the first week, and 6 recommended items when you can.",[13,17,18],{},"Here is the thing about mobile apps that trips up a lot of web developers: your entire binary ships to the user's device, and anyone with basic tooling can crack it open. Treat your app bundle like public code, because it effectively is. This checklist focuses on the mistakes that actually get exploited in the wild, not theoretical stuff you can worry about later.",[20,21],"print-button",{},[23,24,26,31,35,39,43],"checklist-section",{"title":25},"Quick Checklist (5 Critical Items)",[27,28],"checklist-item",{"description":29,"label":30},"iOS Keychain, Android EncryptedSharedPreferences for secrets","Use platform secure storage",[27,32],{"description":33,"label":34},"Use App Transport Security and Network Security Config","Enforce HTTPS everywhere",[27,36],{"description":37,"label":38},"Prevents man-in-the-middle attacks on compromised networks","Implement certificate pinning",[27,40],{"description":41,"label":42},"Keys in your bundle can be extracted by anyone","Never hardcode API keys",[27,44],{"description":45,"label":46},"Tokens should expire in 15-60 minutes","Use short-lived access tokens",[23,48,51,54,58,62],{"title":49,"count":50},"Secure Data Storage","4",[27,52],{"description":53,"label":30},"iOS: Keychain. Android: EncryptedSharedPreferences or Keystore. Never use plain UserDefaults or SharedPreferences for secrets. How to secure mobile storage",[27,55],{"description":56,"label":57},"If using SQLite or Realm, enable encryption. SQLCipher is a common choice for SQLite encryption. How to encrypt mobile databases","Encrypt local databases",[27,59],{"description":60,"label":61},"Remove tokens, cached user data, and session information when users log out. How to clear data on logout","Clear sensitive data on logout",[27,63],{"description":64,"label":65},"Exclude sensitive files from iCloud and Google backups. Users sharing devices could expose data. How to disable sensitive backups","Disable backup of sensitive data",[23,67,69,72,75,79],{"title":68,"count":50},"Network Security",[27,70],{"description":71,"label":34},"Use App Transport Security (iOS) and Network Security Config (Android) to block HTTP. How to enforce HTTPS on mobile",[27,73],{"description":74,"label":38},"Pin your API server certificates. Prevents man-in-the-middle attacks even on compromised networks. How to implement certificate pinning",[27,76],{"description":77,"label":78},"Plan for certificate updates. Pin backup certificates or use public key pinning for easier rotation. How to handle certificate rotation","Handle certificate rotation",[27,80],{"description":81,"label":82},"Never trust server data blindly. Validate types, formats, and ranges before using. How to validate API responses","Validate server responses",[23,84,86,89,93,97],{"title":85,"count":50},"Code and Secrets Protection",[27,87],{"description":88,"label":42},"Keys in your bundle can be extracted. Fetch configuration from your backend after authentication. How to secure mobile secrets",[27,90],{"description":91,"label":92},"Use ProGuard or R8 for Android. Swift code is harder to reverse but consider obfuscation for sensitive logic. How to enable code obfuscation","Enable code obfuscation",[27,94],{"description":95,"label":96},"Detect compromised devices. Consider limiting functionality or warning users on rooted or jailbroken devices. How to detect jailbreak and root","Detect jailbreak and root",[27,98],{"description":99,"label":100},"Detect debuggers, hooking frameworks, and tampering. Make reverse engineering harder. How to implement runtime checks","Implement runtime integrity checks",[23,102,104,107,111,115],{"title":103,"count":50},"Authentication and Sessions",[27,105],{"description":106,"label":46},"Access tokens should expire quickly (15-60 minutes). Use refresh tokens for session continuity. How to implement token refresh",[27,108],{"description":109,"label":110},"Use Face ID, Touch ID, or Android Biometrics for convenient but secure re-authentication. How to implement biometric auth","Support biometric authentication",[27,112],{"description":113,"label":114},"Invalidate sessions on the server when users log out. Support remote session revocation. How to implement session management","Implement secure session handling",[27,116],{"description":117,"label":118},"Blur or hide sensitive content in app switcher screenshots. Prevent screen recording where needed. How to protect sensitive screens","Protect sensitive screens",[120,121,123],"h2",{"id":122},"the-client-cannot-be-trusted","The Client Cannot Be Trusted",[13,125,126],{},"The fundamental rule of mobile security is that your app runs on user-controlled devices. Assume everything on the client can be inspected, modified, or bypassed. Your app bundle will be decompiled. Your network traffic will be intercepted. Your storage will be accessed.",[13,128,129],{},"Keep sensitive business logic, rate limiting, and authorization checks on your backend. The mobile app is a client interface, not a secure boundary.",[131,132,133,140,146],"faq-section",{},[134,135,137],"faq-item",{"question":136},"Can someone reverse engineer my mobile app?",[13,138,139],{},"Yes. Both iOS and Android apps can be decompiled. Assume anything in your app bundle can be extracted. Never embed API keys, encryption keys, or sensitive logic that you want to keep secret.",[134,141,143],{"question":142},"Should I use code obfuscation?",[13,144,145],{},"Obfuscation slows down attackers but does not stop them. Use it as one layer of defense, but never rely on it to protect secrets. The real protection comes from keeping sensitive operations on your backend.",[134,147,149],{"question":148},"How do I handle API keys for third-party services?",[13,150,151],{},"Proxy third-party API calls through your backend when possible. If the mobile app must call third-party APIs directly, use keys with restricted permissions and monitor for abuse. Accept that these keys can be extracted.",[153,154,155,161,166],"related-articles",{},[156,157],"related-card",{"description":158,"href":159,"title":160},"Secure your backend API endpoints","/blog/checklists/api-security-checklist","API Security Checklist",[156,162],{"description":163,"href":164,"title":165},"Complete auth security checklist","/blog/checklists/authentication-security-checklist","Authentication Security Checklist",[156,167],{"description":168,"href":169,"title":170},"How to implement certificate pinning","/blog/how-to/implement-certificate-pinning","Certificate Pinning Guide",[172,173,176,180],"cta-box",{"href":174,"label":175},"/","Start Free Scan",[120,177,179],{"id":178},"check-your-mobile-app-backend","Check Your Mobile App Backend",[13,181,182],{},"Scan your API endpoints for common security vulnerabilities.",{"title":184,"searchDepth":185,"depth":185,"links":186},"",2,[187,188],{"id":122,"depth":185,"text":123},{"id":178,"depth":185,"text":179},"checklists","2026-01-30","Security checklist for mobile applications. Protect your iOS and Android app from reverse engineering, secure local storage, and safely communicate with your backend.",false,"md",[195,196],{"question":136,"answer":139},{"question":142,"answer":145},"green",null,{},true,"Security checklist for mobile apps covering data storage and API security.","/blog/checklists/mobile-app-security-checklist","[object Object]","HowTo",{"title":5,"description":191},{"loc":202},"blog/checklists/mobile-app-security-checklist",[209],"Security Checklist","summary_large_image","MzehX9wVHfT0ghSmy7olGF6g6F0ujSJPayLEUTj_GYI",1775843931015]