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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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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8 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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2answers
59 views

How to call webservice securely in Android

Hello I am working on an Android application in which I'm required to execute a few https web service calls. All my web-service URLs and Web API KEYs are in the code plus the IP address of the server. ...
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36 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 ...
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32 views

Location of android screenshots (Backgrounding) [closed]

I read somewhere that, in android phones once we press the home button android takes a screenshot of the current working screen in order to show us that as a thumbnail later while we are listing the ...
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0answers
36 views

Wireshark does not show wlan traffic of iOs/Android devices (but shows traffic of my others devices) [migrated]

i am trying to sniff the Wifi traffic of my home network. for that, i run Backtrack LiveCD on a laptop with a DLINK AirPlus DWL g650 wifi adapter. i set my WPA key in wireshark, and running wlan ...
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2answers
44 views

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
51 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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0answers
20 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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1answer
49 views

How android WebView can be exploited and how to secure my app from WebView vulnerability?

I heard that WebView vulnerability is active in android versions before 4.2. I read that it is fixed by google in their newer updates from 4.2. What I want to know is a brief description of the ...
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2answers
170 views

Preventing Illegal Access to Webservice

Let me start off by saying that I read other StackExchange questions related to this and they weren't really able to answer my question. I have a feeling this may be an unsolvable problem, but I'm ...
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2answers
60 views

What are the possible exploits over a debuggable APK?

I have heard that an Android APK can be debugged if android:debuggable="true" is set. What are the possible threats in allowing an app to be debugged?
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1answer
34 views

LastPass Bootstrap on New Android Phone [closed]

I've been using LastPass to manage all my passwords, including the password for Google account. The thing is, on a new Android Phone, in order to sign in (for Gmail, Play store, etc), I need the ...
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0answers
10 views

Is it possible to use default android encryption techniques at app level [migrated]

As announced by Google recently that in Android L encryption would be turned on by default at the first boot. This may be silly to ask but my question is can such encryption techniques be used in app ...
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1answer
119 views

Android encryption when phone is on

So I have android lollipop installed, which should be encrypted automatically with some startup password. My question is, what happens if the phone get stolen while its on, and the screen is locked? ...
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1answer
61 views

Secure voice app [closed]

When I look in the Google play store (android apps market), I see that there are a lot of apps to make secure phone calls. However, all the apps I have seen so far all seem to use data packets over ...
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1answer
50 views

How much security would I lose if I enabled “easy enter” pins on an android device?

There is an option on android devices to unlock when the correct pin/password is entered, but without the user explicitly pressing the "done" or "enter" button. How much security does this remove from ...
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1answer
145 views

Android/iOS application security testing checklist

According to OWASP, we have a list of top ten mobile application vulnerabilities. But we are damn sure that the number of vulnerabilities on mobile apps, especially android apps are far more than ...
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2answers
72 views

How secure is a MD5 hash of an 128bit key

Apparently, for the Android KeyChain an encrypted master key is stored along the MD5 hash of the unencrypted Key. How secure is that? MD5 is known to have collisions, but I guess we can assume with an ...
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1answer
77 views

Offline phone security

How secure is an offline android phone? Some background. I want to use an app called Bither on android, which allows me to create a cold wallet on 1 phone and a hot wallet on another phone. Cold ...
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1answer
69 views

How does Android's security model differ from UNIX's?

In UNIX's security model, you log in as a user, and then every process you start can access everything that belongs to your user account - that is, the trust is based on the user account, not on the ...
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1answer
70 views

encryption of Google's android apps

Does Google use encryption on it's Android apps like Gmail, drive, Google Play, docs, others in authentication and transit? What the type of encryption is it? Is it secure? I have tried searching ...
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2answers
150 views

What are methods to protecting an android phone from law enforcement

From what I hear, android uses the standard linux dm-crypt for encryption. Obviously you should have: A pin/password for your phone That pin/password should at least be 8 characters The question ...
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2answers
235 views

Intercepting SSL traffic on Android app

I am trying to intercept SSL traffic from my Android app to test the security. I am using certificate pinning in the hopes I can prevent people from snooping. I have tested by configuring ProxyDroid ...
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1answer
61 views

Rooted android cached password

Assume you could exploit a vulnerability on an old Android 2.2, the questions are: 1- Is there anyway you could see stored passwords on that operating system, specially Facebook password. 2- Can you ...
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1answer
729 views

Competitor app blocks our app, need a way to bypass their check [closed]

We have a taxi app which has been quite successful in Europe. But recently one of our competitors has started checking if our app is installed and if it is, theirs won't run until the user uninstalls ...
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2answers
108 views

Steps for building a good File Encryption on Android

I want to be able to build a good file encryption on android for a cloud app. The files used are mainly pdfs, pngs, docs, audio, video, etc (all sorts of files). Edit: My constrains are that it ...
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2answers
164 views

Fake phone call

I have a problem, getting call from known numbers and when he lifts it, no one is speaking from other side! Well, the awkward part is, the call is from known numbers only, but if I ask the person ...
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2answers
110 views

Android Penetration Testing

I need to do pen test for android mobile application. I have an android mobile and laptop connected to same wi-fi network. I need to intercept/capture the requests/traffic of the mobile in the laptop ...
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1answer
65 views

Java org.xmlpull.v1.XmlPullParser and XML External Entity (XXE) Processing Attacks

I'm evaluating the security of an Android application and the application is using the XmlPullParser included with Android. I'm having some difficulty getting any common attacks to work, but I want ...
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2answers
101 views

Unexpected emails have been sent - do I need to wipe my Android?

A few days ago I received a Notification from my Android saying that it could not send mail because an attachment was too large. I opened my Gmail App and found 5 messages in the Sent Mail folder ...
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0answers
23 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 ...
8
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2answers
3k views

Android L encryption vs. iOS 8 encryption

Recently, the new full-disk encryption system of Apple's iOS 8 operating system has been in the news. And soon after Apple's release, Google announced that they will also enable encryption by default ...
8
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2answers
2k views

Is connecting to an open WiFi router with DHCP in Linux susceptible to Shellshock?

Source: http://lcamtuf.blogspot.com/2014/09/quick-notes-about-bash-bug-its-impact.html For the same reason, userland DHCP clients that invoke configuration scripts and use variables to pass down ...
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3answers
6k views

Shellshock Bash bug on mobile systems

Does the bug in Bash affect Android or iOS mobile systems?
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1answer
453 views

Is it possible to hack an Android App or an Android device without being root? [closed]

Simple question, as the title said. I wondering if in an ideal world where rooting Android devices is not feasible mobile pen testing would be still possible or not. Most of the sensitive folders ...
8
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3answers
2k views

Does Android encryption really prevent law enforcement access?

Google recently announced that in Android L encryption would be turned on by default: For over three years Android has offered encryption, and keys are not stored off of the device, so they ...
11
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2answers
605 views

Skype called someone and connected to them with no action on my part. What do I do?

This happened to me today, September 12, at about 6pm. Any ideas about what happened, what's going on, and what I should do? I was at home alone with my 2 year old -- I was feeding her dinner. All of ...
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1answer
462 views

Android support for TLS 1.1

Do anybody know from what version of Android did TLS 1.1 started to be supported directly by the OpenSSL version preinstalled in the system?
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3answers
132 views

Why are apps signed?

From the Android website: Android requires that all apps be digitally signed with a certificate before they can be installed. The signature ensures that only the original developer can publish ...
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1answer
100 views

Virus (or Trojan) in Android

Definition of virus is (from Wikipedia): A computer virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data ...
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1answer
99 views

Secure communication End-to-end with android and Server

I´m building a enterprise application and I need to create a secure communication between android and a server. What is the most secure way to do End-to-End communication? Should I use HTTPS or VPN? ...
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3answers
88 views

Locating a stolen device

Yesterday my friends Samsung Galaxy S3 was stolen. We have found the perpetrator but cannot yet prove anything. He is uploading photos to social media via the phone. Is there any chance to download ...
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1answer
94 views

Shared Memory expolit in smartphone OS

Today there is news about smartphone OS (Android, Windows and iOS) security hole using which some researchers have found a way to literally read all user activity from mobile screen. This is one of ...
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1answer
769 views

Can virus save to SIM Card?

(Before everything excuse me because of me English) Today one of my friends asked me about his Nokia 130 Dual SIM. There was a problem about Short Message System. No Messages were sent from that ...
2
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5answers
753 views

How safe/secure are banking applications on Android phones?

I have a mobile banking application installed on my phone which allows me to pay for things, transfer money using my phone from my account to another etc. How safe or unsafe is this application? For ...
3
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2answers
738 views

How to simulate man in the middle attack in android emulator?

I am new to pen-testing. Yesterday i analysed one android application using dex2jar application and i saw an android application implemented https connection using empty trust manager. class miTM ...
6
votes
4answers
2k views

How do location-based apps avoid getting cheated by emulated GPS?

Some apps like Foursquare require the user to "check in" at physical places, in order to gain money benefits. Given that emulated GPS are available for customized versions of Android, it sounds easy ...
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1answer
56 views

Entering payment information in Android Apps

I'm concerned how android apps that integrate payment processing deal with secure financial information.When purchasing through these apps the apps show the Webpage of the bank asking for credentials. ...
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1answer
45 views

Charge only in Android

In older versions of Android, when connected via USB the default behaviour was "Charge Only". This allowed the device to charge via USB without exposing its file system to the device providing power, ...