Security in mobile devices. Issues concerning regular cellphones, smartphones, tablet computers and other portable information devices all fit into this category.

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4
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3answers
3k views

Self sign SSL certificate for my mobile app?

My mobile (iOS and Android) connects to my server via a REST API over HTTP. I would like that HTTP to be secure, so HTTPS seems to be the obvious choice. All of the questions about self signing SSL ...
4
votes
1answer
2k views

how to secure Android Market public key

Android's security manual says that it is not safe to keep market public key just as a string and it should be hidden/encoded somehow. I am new to android Can somebody please provide me with example ...
2
votes
0answers
199 views

What unique device fingerprinting information can an iOS8 app collect?

As a follow-on to this question: What unique fingerprinting information can an iOS7 app collect? What remaining device fingerprinting privacy / security vulnerabilities still exist as of iOS 8? Can ...
0
votes
2answers
7k views

Why don't mobile operators blacklist stolen phones using their IMEI?

I've just read this piece of news that Android and Windows phones will get a 'killswitch', rendering them useless to potential thieves. However, since all devices have a unique identification number ...
10
votes
4answers
2k views

Possible to prevent Juice Jacking by only connecting USB pins 1 & 4?

According to this accepted answer, there is no phone on the market today that is immune from "Juice Jacking"*. I think an easy way to mitigate this threat is to have a filter that blocks USB pins 2 ...
7
votes
4answers
881 views

What is your process for wiping a lost Blackberry or similar device?

For all devices I know of, if a device is lost or stolen, it needs to be connected to the Cellular network to receive the wipe command. Considering that the end user often needs to regain mobile ...
4
votes
3answers
582 views

What are the problems with bring-your-own-device related to smartphones?

What are the problems with bring-your-own-device related to smartphones? Companies see this more and more everyday, people want to use their personal devices on the corporate network or even use them ...
3
votes
2answers
2k views

SMS / voice call interception with a fake base station

This answer to a similar topic describes in a detailed way how vulnerable SMS and voice calls are in terms of decryption. In order to do so, an attacker needs to set up a fake base station located ...
1
vote
2answers
923 views

Is there any documentation or reviews about LINE messenger security?

I tried to find any documentation about the security of LINE messenger, but I couldn't. Is there any documentation or reviews about the communication protocol it uses, and whether or not it uses ...
1
vote
1answer
1k views

Fuzzing Android API

I am thinking of trying to make an Android API fuzzer (I never made a fuzzer before, but I understand the concepts), and I was wondering which API calls would be the most interesting ones to fuzz from ...
0
votes
1answer
4k views

What is the risk of leaking IMEI / IMSI numbers over a network

Should I worry if a developer programmed an app to send IMEI / IMSI number of the phone where the app is installed back to him? What can an attacker do with such information?
8
votes
2answers
3k views

Is doing credit card transaction via 3G secure?

3G, GPRS or other mobile-based connection. Because it seems like it's easier to intercept, than, say, land-based connection or encrypted WiFi. If it matters, the transaction I want to perform is ...
5
votes
3answers
1k views

Does any tablet support remote attestation?

Some PCs come with a TPM. One of the nifty capabilities of TPMs is the ability to perform remote attestation. Remote attestation allows your computer to tell a third computer what software your ...
5
votes
2answers
5k views

iPhone full disk encryption and theft protection?

Is it possible to fully encrypt an iPhone? What cipher does it use and are there any weaknesses? How can I protect my valuable data, such as email, when my iPhone gets stolen?
5
votes
2answers
566 views

Mobile phone security eavesdropping based on data transfer

is there an easy way for particular governmental organizations (especially in countries where freedom of speech is a problem) have some technology where they can easily eavesdrop on cellphone internet ...
4
votes
1answer
492 views

Security Implications of Private/Corporate APNs

I'm interested in what (if any) the practical security implications of a company making use of a Private APN are as opposed to using a standard network provided APN and VPN connection back to the main ...
4
votes
1answer
781 views

Does KASUMI (A5/3) Related Key attack apply to 3G or other mobile providers?

The KASUMI is a block cipher used to encrypt UMTS, GPRS, and GSM SMS messages. The references section in Wikipedia says that a related key attack is possible in 3G systems. Q: Has it been proven ...
3
votes
3answers
2k views

Do telecom operators listen to every phone calls

I usually don't answer unknown numbers. Few days back i got couple of calls from unknown numbers and i didn't answer it. That evening i had contacted one of my lady friend and the next day i got a ...
2
votes
3answers
3k views

How to detect the “Hello packets” sent by a wifi enabled smartphone

Actually I have a case where I should able to detect the mobile phones and get some data about the device available in my network range without connecting to the network. I have seen somewhere that a ...
2
votes
4answers
1k views

Tails like OS for Smartphones

In Jacob Applebaum's latest talk at the 30c3 conference, he advised all journalists to use Tails or similar OS for their laptops. Does anyone know of a similar OS or functionality for Smartphones? ...
2
votes
1answer
406 views

Can malicious phone software mount a MITM attack on a phone call?

Suppose my smartphone has been compromised and there is malicious software running on it. You can assume that the malicious software has broken out of any sandboxes and is running as root. If I'm on ...
1
vote
2answers
107 views

How to secure Epson Beamer?

I work in a school and we have several Epson Beamers but some of our students have download an application for their mobile (with infra-red and WiFi connection) and they now have remote control and ...
1
vote
1answer
82 views

Securing data on a mobile device (even from the user/owner)?

I am writing an application to generate OTP codes for two factor authentication where I need to securely store data locally. This data must be secure from both the owner/user as well as intruders. I ...
0
votes
2answers
134 views

What makes an Android application vulnerable to SQL Injection?

Definition of SQL Injection SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution ...