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.

learn more… | top users | synonyms

1
vote
0answers
331 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 ...
1
vote
2answers
314 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 ...
3
votes
2answers
240 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 ...
0
votes
2answers
137 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?
0
votes
1answer
70 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 ...
1
vote
1answer
171 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? ...
1
vote
1answer
120 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 ...
0
votes
1answer
64 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 ...
3
votes
3answers
2k 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 ...
2
votes
2answers
103 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 ...
3
votes
1answer
98 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 ...
3
votes
1answer
127 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 ...
1
vote
1answer
84 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 ...
2
votes
2answers
183 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 ...
1
vote
2answers
794 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 ...
0
votes
1answer
166 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 ...
6
votes
1answer
822 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 ...
2
votes
2answers
374 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 ...
0
votes
2answers
218 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 ...
2
votes
1answer
110 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 ...
1
vote
2answers
119 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 ...
1
vote
0answers
27 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
votes
2answers
4k 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
votes
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 ...
10
votes
3answers
6k views

Shellshock Bash bug on mobile systems

Does the bug in Bash affect Android or iOS mobile systems?
0
votes
1answer
832 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 ...
14
votes
3answers
5k 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
votes
3answers
792 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 ...
2
votes
1answer
1k 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?
2
votes
3answers
158 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 ...
0
votes
1answer
139 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 ...
0
votes
1answer
229 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? ...
0
votes
3answers
89 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 ...
0
votes
1answer
111 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 ...
1
vote
1answer
2k 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 ...
5
votes
7answers
3k 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
votes
2answers
1k 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 ...
8
votes
4answers
5k 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 ...
1
vote
1answer
60 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. ...
1
vote
1answer
53 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, ...
0
votes
1answer
255 views

How to stop gmail spam after connecting to public wifi without VPN on Android?

About two weeks ago, I had to reply to an urgent email (gmail) on my Android phone with the Gmail app. Unfortunately, my VPN client refused to work that day (Private Internet Access Android Client), ...
-1
votes
2answers
235 views

Why no one makes a message application like whatsapp using RSA keys?

I'm really new and I may sound like a noob so please forgive me. Since gnupg is avaible for android, why does no one makes an app that encrypts every message using a rsa key and just swap the keys ...
5
votes
1answer
76 views

To what extent can Google access data in the standard Android storage locations without restriction?

Android docs lists a number of places to store data here. To what extent can Google access data in these places assuming the developer does not want them to have it? In other words, if I save a ...
1
vote
0answers
78 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" ...
6
votes
2answers
2k views

Security concept for Android app with PHP based REST API

I'm trying to build my own PHP based REST Api for my Android app and I'm a litte bit confused by all the different user authentication stuff one can find on the internet. So I want to present my ...
0
votes
1answer
71 views

What is the strategy used by the itunes store and Google Play to protect and securely install applications on eligible devices?

The requirements for a system like itunes store or google play are as follows; identify and authenticate the user determine if the user has paid for a given app if s/he has, securely transmit the ...
3
votes
1answer
166 views

What is a secure mechanism for wireless communication between Android and Ubuntu?

I have come across a few Android apps that provide various features for communicating with a desktop machine (sending text or typing in one direction or another, controlling the desktop pointer with ...
3
votes
3answers
416 views

How secure could the LastPass Android application be with a four-digit PIN?

I use LastPass for Android with the PIN option. After having entered my full Lastpass password the first time that I used the app, now when opening the application I have access to all my passwords ...
1
vote
1answer
3k views

Memory dumping Android

I need to evaluate the security of a cryptographic library. In particular I am targeting a part of the library where I believe the private key is exposed for a limited time in the RAM. Any ideas or ...
2
votes
3answers
3k views

(Android) hacking server by a simple socket

I have written an Android game. Now, I want to connect the marks of the players. The code below is the client side program, which send their names, countries and marks to the server. Basically, I use ...