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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2
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1answer
263 views

Why is the SSL handshake not shown in Wireshark?

I am trying to figure out if some Android applications with login functions are vulnerable to man in the middle attacks or not. I have set up a MITM proxy (as an attacker) on my lubuntu machine and ...
0
votes
1answer
82 views

Can any Google Play Store tampering be detected?

I've read this Android developers page regarding code signing that states: You can use self-signed certificates to sign your applications. No certificate authority is needed. I have also read ...
10
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1answer
95 views

Why does Android mix phone state with phone identity?

The "Phone State" permission on Android is widely requested by many apps. The explanation often given by the developer is that the app needs it in order to determine when you're on the phone, to stop ...
4
votes
1answer
270 views

Should I encrypt data sent via Android intent?

I want to develop two Android apps that will communicate via intents (on the same device). When the two apps transfer confidential data, should they encrypt it? Or does the Android OS guarantee (or ...
2
votes
1answer
185 views

Android: Are locally-stored encryption keys readable by attacker who gained root access?

i have a question: i'm trying to understand a specific point in android encryption. All the encryption keys are software based and are stored locally on the machine, so correct me if i'm wrong but ...
3
votes
2answers
3k views

How to sniff Bluetooth traffic using Android?

I have two Arduinos using Bluetooth to communicate one with another. Is it possible to sniff the Bluetooth conversation between the two devices? An Android solution would be great, I heard of hcidump ...
0
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2answers
118 views

Protecting the remote database against tampering in a mobile app

This is the first time I face a mobile app deployment at big scale. This app needs to connect to a remote server where to store and retrieve data. I discarded connecting directly to the MySQL ...
0
votes
3answers
98 views

Restrict request to Android and Iphone App only?

I have a ASP.NET/IIS server. I want to restrict my server to only accept request from Android and Iphone(IOS) applications. I have heard about HMAC. Can HMAC help me?
0
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2answers
150 views

Can a rogue app hijack an ssl session of another app on the same phone?

We've been discussing a possible attack vector where a rogue app with root rights could hijack the legit ssl session of anther local app and transmit its own data over it without the server being able ...
0
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0answers
20 views

What SSL/TLS ciphers do each version of Android support? [duplicate]

What ciphers do each Android device support? Update: More specific not SSL or TLS versions but the actual ciphers such as ECDHE-ECDSA-AES128-GCM-SHA256, etc. Android 2.3? Android 3.x? Android ...
0
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1answer
31 views

Ads embeeded in phone apps - what is accessible?

Imagine you are developing a "free" app for android & iphone and want to refinance yourself through using some sketchy ad service. Does an app delveloper have to worry that the ad content he ...
4
votes
2answers
663 views

What is the impact of the Bluebox Android APK integrity vulnerability?

Bluebox have recently disclosed a vulnerability (Android security bug 8219321) in Android, that is getting a lot of coverage in the media. The title of the post is "Uncovering Android Master Key" - ...
0
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1answer
138 views

why credentials are not shown in mitmproxy?

my question is that why I can not see some credentials in mitmproxy while the application connecting to, uses ssl connection? I actually installed the mitmproxy server on my PC and have set up my ...
4
votes
5answers
3k views

Track lost Android phone, if the thief is using it to access internet

I had a Samsung Galaxy S3, which got stolen recently but didn't have any built-in tracking software. But since the theft my friends often see 'me' on many online mobile chat applications. I conclude ...
1
vote
1answer
231 views

Can you generate Diffie-Hellman parameters quickly [closed]

I am working on an android project for school and I am supposed to do a DHKE(Diffie Hellman Key Exchange). Everything works well, the problem is that it takes a lot of time (really a lot) to generate ...
3
votes
1answer
134 views

What are industry-standard recommended practices to protect user information in an Android app?

I am developing an Android app that will potentially handle sensitive user data, and some of it may be even considered medical data (for example user height, weight, alergies, etc). What would be the ...
0
votes
1answer
118 views

Retrieve, from a failed wifi hotspot connection attempt, the password posted [closed]

I want to get the wrong password that a user enters at a wifi hotspot on android. I just want to know if this is possible on android and if so how.
0
votes
1answer
209 views

Sniff HTTP(S) from PPTP VPN server

I've setup an PPTP VPN server on my Debian 7 server. I'm using this VPN in combination with my Android phone to ensure a secure connection. However, i'm getting curious of what my phone is sending ...
4
votes
3answers
2k views

Can someone detect the URL an android app uses?

I have an android app that makes HTTPS connection to specific URL. Is there a way to keep this URL secret? I know that the IP address and the port number of that connection can be detected, but what ...
4
votes
3answers
232 views

Android and FIPS

I've recently been tasked with a research project to write a "secure messaging application" using "government approved protocols" (the government being the USA). I'm taking this to mean asymmetric ...
6
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2answers
1k views

How reliable are device IDs provided by PhoneGap on Android and iOS?

I have a web application that allows users to add mobile devices to their accounts (using mobile app). Each device is uniquely referenced by its UUID. Mobile client is developed using PhoneGap, so ...
1
vote
1answer
116 views

What is the strength of the key derivation function on Android device encryption?

What is is strength of the key derivation? Specifically, how many milliseconds or microseconds would it take a desktop computer to check a guessed password to see if it is a match? I am aware this ...
3
votes
2answers
160 views

How can I ensure that an android app was installed on a physical device and not an emulator?

I want to avoid people installing the app on virtual devices. Is there any way to tell this? What is best you could do? Ideally what i want to prevent as a whole is one person or entity creating ...
1
vote
1answer
244 views

Detecting Malware in the android App [closed]

I've been given an APK file, and before re-distributing to the "market" I want to make sure the given android app does not contain the malware. How can I do that ? Business use case is similar like : ...
2
votes
2answers
767 views

Is there any useful Android app for security assessments? [closed]

I've been thinking for a while about whether or not ask this, as it may be a opinion-based question, but as I have seen a couple of non-closed questions about recommended books, so I think this is the ...
4
votes
1answer
152 views

What are the major vulns that affect the Dalvik VM of Android?

I frequently hear about the security risks of using Android. But few people who write articles on this subject ever identify what parts of Android are at fault, nor do they identify design flaws. Can ...
5
votes
6answers
2k views

Can smartphone spyware work even if there is no data connection?

I am using android phone. Is it possible for spywares to transmit data even when I dont have any internet plan/connection ? Can it use some other way , say , cellular network etc ? EDIT1: SMS and ...
2
votes
1answer
127 views

Do modern Android devices provide access to their Secure Elelement in some way?

I'd like to know if latest generation Android devices provide an application with access to their Secure Element in some way (other than by way of the NFC interface, which is #1 application of the ...
3
votes
2answers
2k views

How can I detect which background application is using the camera, microphone or GPRS?

I want to learn how to write and Android application that can detect a run time spy application. In this instance, a "spy application" is a background application that uses the camera, microphone and ...
15
votes
1answer
6k views

What is the difference between Serial Number and Thumbprint?

I have problems to understand what the difference between the Serial Number of a certificate and its SHA1 Hash is. the MSDN says: Serial number A number that uniquely identifies the ...
1
vote
0answers
106 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 ...
0
votes
1answer
145 views

Does a malicious android WebView break the DoubleSubmittCookie countermeasure against CSRF?

Initial situation: A RESTful webservice defends against CSRF attacks by using the double submit cookie approach. This means that the authentication token gets submitted twice and verified at the ...
1
vote
1answer
634 views

Securing REST API for mobile use with OAuth

I'm a complete noob about security, so please, forgive me if I say something wrong. I have to develop a social network. The client will be an Android app and (probably) a web page for smartphones ...
3
votes
2answers
211 views

How secure is the private storage of a mobile app

Are there any know security flaws/hacks to gain access to the private storage(file system or SQLite database) of Android and iOS applications? What measures do Google and Apple take to "prevent" ...
0
votes
2answers
871 views

Is it possible to install spyware in password protected android phone?

I own samsung galaxy y, an android. I suspect my roommate has installed spyware in my phone. Is it possible to install spyware in password protected android phone ?
0
votes
1answer
569 views

Is there a fool-proof method to remove spyware from android smartphone?

I am owning an android smartphone. I learnt that factory reset may not remove spyware as it might have corrupted the image being installed by factory reset. Is there a fool-proof method which ensures ...
1
vote
1answer
783 views

Is it possible to store an android apk in SIM card and install it from there?

I suspect somebody has installed a spyware in my android smartphone. I have done factory reset, which is supposed to uninstall all apps in SD card and internal memory. I am curious about following. ...
1
vote
0answers
292 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, ...
2
votes
3answers
480 views

What type of SSL certificate do I need for communications between an Android app and a web service?

I am developing a game for Android. The customers using the game will have to send their information to a REST web service that, behind the scenes, will be connected to a MySQL database. I would ...
1
vote
0answers
156 views

Encrypted chat using any smartphone. Is it legal? [closed]

Here's my case. We have written app for Android smartphones which allows users to exchange secured cipher messages. For key-exchange we're using elliptic curve 112 bits, for messaging we're using DES ...
7
votes
3answers
2k views

Does a working JTAG diagnostics port on Android phone add unnecessary risk?

Not enough people seem to know about JTAG outside the hacker and LEO communities but the short version is that JTAG allows anyone with physical access to your phone to chew their way right into it. ...
2
votes
1answer
813 views

Android access tokens and access to all google services

My questions is based on the asnwer on that question: Can the Gmail password be recovered from the Android Gmail app? So, as I understand when we setup google account on Android devices, it stores ...
3
votes
1answer
192 views

How Secure Rooted or Jailbroken Devices are?

I am just wondering, but how can I harden the security of jailbroken or rooted devices? I understand that SD Card can be still accessible, but how could potential adversaries compromise for example ...
1
vote
1answer
118 views

Is using an old Android phone for 2-factor authentication safe?

I apologize in advance if this is the wrong place to ask this, I didn't know a better place to start. I have a rooted HTC Hero (CDMA) that is no longer receiving service and is just kind of...sitting ...
2
votes
1answer
424 views

Android, how do I prevent Confused Deputy Attacks?

In case that a malicious mobile app hasn't the appropriate permissions to e.g. download a file, it can invoke a browser to download sth. Concrete examples of such an attack are shown from page 27 to ...
14
votes
4answers
3k views

What risk does Carrier IQ pose, exactly?

There has been a lot of discussion about Carrier IQ, monitoring software that is pre-installed on many Android phones. Many allegations have been thrown out. My questions: What exactly does Carrier ...
8
votes
3answers
5k views

How secure is Android's facial recognition?

Android supports using facial recognition for unlocking your phone. How secure is that mechanism? For instance, if someone has a good quality picture of your face, can they defeat the facial ...
0
votes
1answer
170 views

Have there been any instances of malware in custom ROMs for Android?

Have there been any instances of malware or spyware packaged in custom ROMs, for example a malicious email app pre-installed that records your server IMAP username and password and forwards it to a ...
9
votes
1answer
34k views

Can the Gmail password be recovered from the Android Gmail app?

I have an Android device with the Gmail app installed. This app can access the mailbox so there must be some kind of authentication data stored on the device (possibly an application specific ...
-1
votes
3answers
3k views

Does rooting an Android Phone make it Vulnerable? [closed]

If android os in a device is rooted , will it be safe to use it in public networks where possibilities of attacks is more.