Questions tagged [mobile-app]

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How to Scan Firebase Database?

I have the APK of an application and analyzed it using MobSF static analysis. It says the application talks with Firebase Database and provides a URL. Obviously, the URL is not accessible. I am new to ...
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27 views

How to use TokenAuthentication in mobile apps?

I'm working on a mobile application, using django rest-framework as backend, and I'd like to archive the maximum security possible. Now when the user log-in with email and password I generate a token, ...
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Downside of resource owner password flow for native mobile apps?

I have seen some similar questions a few years old and I am not sure if there are any new changing views on this. I see that this flow is not recommended for mobile native apps. What are the practical ...
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3 votes
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96 views

Security of in-app Forgot Password workflow in Xamarin (Mobile App) without using a website

I decided to implement "forgotten password" functionality, without having to create a website just for that. The usual workflow that I've seen for any app is: User requests password reset ...
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1 answer
143 views

What's the threat model of mobile security? [closed]

When reading about mobile security, the attacker is often assumed to have root access to the device, so as to patch the application or proxy all network traffic. I see that such applications may have ...
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2 answers
253 views

Why would a bus ticketing app require an Internet connection when you board the bus?

The bus company that I use (Arriva UK) is trying to persuade passengers to switch from buying paper tickets to tickets stored on their app. They are particularly pushing this for 'bus passes': tickets ...
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  • 172
1 vote
1 answer
169 views

Protecting a PWA authentication token on a public kiosk device

I have a use case where I need a factory-reset tablet device to install and run a simple Progressive Web Application (PWA). The tablet will be mounted on a wall inside a company building that may host ...
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  • 113
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1 answer
209 views

Pornographic image in Wikipedia app

I opened up the Wikipedia app on my iPhone today and saw that the featured article on the main page was on “Henry IV, Holy Roman Emperor”. However, the image displayed for the article was a closeup ...
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1 answer
134 views

Man-in-the-Middle Mobile (e.g. Android) Application Tool

I'm trying to MITM an Android application but I cannot get it to work properly. Usually, I'm using Burp for those kind of attacks, which allows me to intercept and decrypt HTTPS traffic. (Assuming the ...
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1 answer
260 views

Will GPS spoofing + VPN on mobile hide location?

Suppose I turn on "developer" mode on my Android mobile phone and install a professional GPS spoofing app and a professional VPN app. Developer mode will allow the GPS spoofing app to ...
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  • 115
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76 views

Figure out security and auth for mobile app which uses Firebase

I need a bit of help to figure/plan out this scenario: So for a mobile app I'm currently working on, the use case requires authenticating users via mobile number and OTP. So basically the user enters ...
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  • 413
1 vote
1 answer
111 views

Is certificate pinning enough to protect client (native mobile app) - server communication?

My use case is the following: I want to create an app with React Native that I can deploy on both iOS and Android. The app should consume an RSS feed (https call) from the server but there is no need ...
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4 votes
4 answers
518 views

Is 2FA a false sense of extra security on a mobile phone?

I understand that 2FA increases security if you are using two different devices, for instance a computer and a mobile phone. I fail to understand how these security measurements help if you are doing ...
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1 answer
70 views

How do mobile apps share details with each other to show customized ads

My question is more towards how this is implemented. I mean do they expose apis to each other or store data at a common place to be accessed by others. Please excuse me if it seems too naive.
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120 views

Designing a user session API for both mobile and web clients

I'm currently working on a project. The apis on the backend will support both mobile and web clients. I'm attempting to design a user management flow for both clients and a bit confused about how to ...
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  • 101
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152 views

Repackaging Mobile app which resists repackaging

I tried repackaging an Android app but after installation, when I launch that app, the app crashes immediately. This is the exception I am getting when I decompile this application using apktool and ...
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1 vote
0 answers
265 views

Insecure Binary protection iOS Pentest Report

Thirdparty pentest company reported their findings in our iOS app. In the report explanation for this vulnerability is Apple provides default encryption for applications; however, the encryption ...
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  • 111
3 votes
1 answer
474 views

MSTG-ARCH-7: All security controls have a centralized implementation

In the OWASP Mobile Application Security Checklist there is a requirement MSTG-ARCH-7 which reads: "All security controls have a centralized implementation". Now I'm struggling a bit by what ...
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3 votes
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219 views

Deauthorization Bug in messenger application - How serious is this?

My question refers to a behavior on a production system with more than 100 million chat users. Some time ago I changed my account password and removed all devices connected to my account. The next day ...
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5 votes
1 answer
398 views

What questions are useful to scope a mobile app pen test?

When arranging a pen test it's common practice to ask the client a set of questions, and use the answers either as the basis for further discussions, or to directly provide a test plan and quotation. ...
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  • 32.6k
-2 votes
1 answer
141 views

Securing a read-only REST service for mobile access

I am writing a mobile app that uses a read only REST service that sits behind our company firewall. The actual data supplied by the REST service is not private but I am concerned with a hacker using ...
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0 votes
0 answers
78 views

Security concern on locally stored authentication token

It is a common method on mobile applications to allow users to bypass authentication process by verifying a locally stored token (previously authenticated) on device. This is to strike a balance ...
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22 votes
7 answers
7k views

How to secure a mobile app against its user?

I have created a mobile application that monitors the accelerometer activity and based on that it rewards the user if a specific pattern is observed. How I can secure the application against the user ...
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20 views

How can I prevent my server from receiving requests for a modified application? [duplicate]

I am developing an android application and in the future also for IOS, and I use a server in PHP. Is it possible for my server to know the source of the application sending the requests? For example,...
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5 votes
2 answers
372 views

What is the use case of request signing in this mobile app?

The API of a mobile app I was testing is sending the AWS AccessKeyId and SecretKey used for request signing from the AWS Cognito server unencrypted (apart from the regular TLS encryption). Making it ...
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