Android is an operating system for mobile devices such as smartphones and tablet computers. It is developed by the Open Handset Alliance led by Google.

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Mobile App Security vs. Traditional PC Desktop Security In The New Era

I have been using a Windows PC for many years now. Since Android has come to market, I have been very wary of installing apps that require unrelated permissions. Obvoiusly, these extra permissions ...
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1answer
39 views

Can you use ssh for secure inter app communication on the same device?

I use ssh to get an encrypted connection between servers and local machines all the time. It's fast, it's secure, and there's a way to do it in nearly every system programming language that I've used ...
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1answer
199 views

How can I intercept XMPP traffic on Android?

I have been learning about security testing on Android apps, and to intercept traffic I was using Burp Suite. I know it works perfectly for HTTP/HTTPS traffic, but most of the messenger apps are using ...
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79 views

How is the username and password captured on this mobile device?

I have a Motorola phone, and I am concerned about my privacy after reading this article : http://www.beneaththewaves.net/Projects/Motorola_Is_Listening.html The poster says: For both of these ...
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1answer
568 views

Forensic analysis of Android sqlite db's

In an extraction of com.facebook.katana/Database db files (fb.db and webview.db), I get: [fb.db] If I use an hexadecimal editor to open those files, even when there is no sqlite record named c_user, ...
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38 views

How would iOS or Android app “firewall” for extended permissions (location, etc) work?

I'm interested in blocking or reporting any application's usage of extended permissions, regardless if they are granted those rights, such as: GPS / Location / Wifi Radio signal data Telemetry My ...
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1answer
68 views

If hackers know my android app license key , can they redirect the in app purchases of my app to their account?

I have published an android app with in app purchase. I failed to encrypt XOR my licence key. If hackers have my license key can they redirect my payments to their account or just they can by pass in ...
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189 views

WLCTL protocol detected by sniffer in an Android tablet

I detected that my rooted Android tablet had a slow connection. Trying to find what is taking the bandwith, I installed a firewall (DroidWall) and I blocked all the applications thinking that one of ...
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153 views

What makes an Android application vulnerable to Cross-site scripting (XSS)?

Definition of XSS If you search the web, there are many different ways to define a cross site scripting attack. Simply put, XSS vulnerabilities occur when a malicious attacker is permitted to inject ...
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0answers
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How CERT.rsa is interrelated with PackageInfo signatures

I am a newbie in security and cryptography, but I am developing Android applications and now wanna to dive deeper into the Android security mechanisms. I am trying to understand how CERT.rsa (as I ...
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36 views

Decrypting Bluetooth application data with the link key

I would like to read the application data exchanged between an Android device and a peripheral. I have managed to log the Bluetooth communication using HCI logger and open the corresponding .cap file ...
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54 views

Ouath2 how does it work (Android client)

I have read a lot about Oauth2 but still cannot understand, how does it work. I will explain how do I understand this protocol. There are some main characters in Oauth protocol interaction. User, ...
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82 views

Exploitation of Reflected XSS on Android App

I am trying to do a security evaluation of an android application. I came across a situation where one of the activities of the app displays certain form fields in a webview. This form is very ...
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241 views

SSL traffic manipulation through ettercap MitM and iptables

I am trying to understand the relation between some tools and concepts used for MitM on a wifi network and how https transaction (over this wifi network) between an android app and the respective ...
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0answers
48 views

What are the privacy and infosec risks with Apple Watches and Android Wear?

From what I can tell, I Apple Watch apps act like a remote control to a nearby iPhone using Bluetooth or BLE. Conversely Android watches have the ability to run full applications, and therefore ...
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20 views

common crypto and bouncy castle, PBKDF2 generation

I am working on an iOS app and android app, for iOS I am using common crypto, and for android bouncy castle. I noticed that in android when I generate PBKDF2, if I use a salt or pass ...
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129 views

VPN Server + Anonymity + Adblock for mobile Devices

In order to improve private security and anonymity while browsing the web on my mobile devices I wanted to tunnel all traffic to my own server via VPN and use a proxy software to filter unwanted ...
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0answers
106 views

Android app downgrading TLS protocol to SSL 3.0

I performed vulnerability testing of some Android mobile applications I helped develop and I noticed some odd behavior. The applications used the default Android 5.0.2 cipher suite list that includes ...
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52 views

Android 5 encryption

There's been lots of talk about the allegedly improved encryption in Android 5. Some questions about this: What is the maximum length for passphrases? (i.e. is it still limited to 16 characters?) ...
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108 views

Force TLS on mobile app

i'm developing a mobile application for iOS and Android. On this app i'm asking resources on a secure server through ajax. Server's developers asked me to force the call in order that we use TLS ...
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529 views

How to root a virtual device in android-sdk?

I was amused to see no one have ever asked such a question here before. After a little research in google I found only a few links to root a device in avd. Somewhere I also read that the sdk is ...
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35 views

version support policy for BYOD devices

In corporate environments where users bring their own devices for access to corporate resources, how can we determine which Android devices are currently supported and receiving security updates? For ...
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80 views

Does BlueBox “Fake ID” vulnerability break protectionLevel: “Signature”?

Referring to this vuln: http://bluebox.com/technical/android-fake-id-vulnerability/ and this permission: http://developer.android.com/guide/topics/manifest/permission-element.html "signature" ...
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114 views

Is a android app signing certificate unique?

The Certificates that are used to sign Android applications are generated by the user and not checked or signed by any authority. They are RSA or DSA Certificates and as i read on ...
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162 views

Implementation of different BCrypt versions

I'm fairly new to encryption, and I am investigating the different kind of encryptions. I want to encrypt passwords in a secure way. I discussed this with my colleague, and he said that BCrypt is the ...
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349 views

Configure Asterisk for lan with SRTP enabled SipDroid

I want to have a secured call over internet between two android phones. I have found SipDroid which is an open source SIP client for Android. And also I have followed this to install Asterisk, Dahdi ...
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How to know which file is being sent in POST request by Android device?

I am using an Android Device. I make apps and generally use Burp Proxy to try to debug how my app's requests-response works. Recently I have noticed some anonymous request being sent by my device ...
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39 views

injecting javascript in webviews in Android

I am relatively new to mobile application security. Currently I am supposed to audit an android application which uses a webview to display some static FAQ page in an activity. The webview in ...
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391 views

Codeigniter RESTful web api creation for mobile and web applications general guidelines

I'm having application with running good in codeigniter, mysql and jquery. Currently we are planning to evaluate our web application with mobile application. So we planned to develop web application, ...
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254 views

sending data from android client to database

I have created an android app which sends data to a web service (wcf). Right now the user sends his test result (test id, test name, test time and user ID) the problem is I that i send the data from ...
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57 views

Silent security on android

I saw a DEFCON talk about owning back a stolen PC/Mac, with a SSHd daemon and a dynamic-ip service installed,running in background. I was wondering if is it possible to achieve tha same results on an ...