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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Hardware encryption for mobile data

Assume a requirement for creating a custom application for Android or iOS smartphones, which will send and receive data (documents, e-mails, etc.) to/from a corporate server, perhaps after local ...
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1answer
1k views

iOS: sandbox of an iphone app

I am new to iOS so I do have only limited knowledge about iOS in general. For self learning purposes, I would like to know several things as I am quite confused after searching the web. I do know ...
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1answer
309 views

Security: Oauth and Mobile apps

This is what I believe are the security implications of integrating Oauth using embedded webview vs browser in mobile application. Embedded Webview * Keep UI for mobile app Security implications ...
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1answer
330 views

Security implications of shared credentials on private APN

It is common for public APNs to use shared credentials - nearly all mobile networks in the UK use the same credentials across all phones (see here for an example). In M2M applications such as ...
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1answer
83 views

Do normal SMS risks apply to DigiCel mobile banking? What mitigations are likely in place?

In this interview with Bill Gates and Bill Clinton, they discuss their work with Digicel, who I assume is this company, to enable mobile banking with normal KYC protections. This site is full of ...
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1answer
448 views

Google's Mobile Authentication for REST APIs

So I'm trying to create and secure a mobile REST API on an existing server that runs our web app. We're not going to open the API to the public and we will be writing the client app using ...
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2answers
119 views

How safe is Money Toolkit?

Money Toolkit is a smartphone app that can alert you to your balances and transactions across multiple accounts. I was reading their site and whether their practises are as secure as they claim to ...
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2answers
2k 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 ...
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1answer
222 views

Any risk of email configured for pop/imap access?

If my mobile phone is infected with some malware and the only connection I have to my corporate network is that the email client in the phone is configured for mail (pop/imap), what would be the risk ...
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1answer
7k views

How to track a Spoofed SMS on Iphone

A mate pulled a quality prank on me the other day by sending me a SMS via a Spoofed number. He's bought a SMS gateway and can set the message ID/phone number to be 'God' (or whatever he wants(letters ...
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1answer
51 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 ...
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98 views

Compromised mobile device on a company network [duplicate]

What can a malicious user / attacker do if access is gained to a mobile device (smartphone/tablet) on a company network ?
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1answer
124 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 ...
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2answers
979 views

Do i need SSL certificate signed by a CA for hybrid mobile apps?

I have just stepped into ssl domain and started exploring how to implement ssl. My question is i understand ssl certificates signed by CA actually allow the client or browser to validate that the ...
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3answers
8k 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 ...
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1answer
176 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 ...
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4answers
401 views

Key-agreement protocol in a REST API

I have a C# REST API which exposes some methods over the HTTP protocol. The API is intended to be used my my Android applocation (Java) which is currently in the makings. Since the app is in an early ...
2
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1answer
149 views

Danger of peer to peer software [closed]

I wanted to ask what are the risks of using P2P software. I found a lot of information on-line regarding the danger of file sharing but not about the software by itself. I am writing a mobile ...
3
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1answer
141 views

Offloading private key operations to a trusted device

If I have a cryptosystem built around PGP/GnuPG, I can keep my secrets safe by using an OpenPGP smart card and storing my private keys there. If I'm instead using DJB's NaCl, is there any sort of ...
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1answer
403 views

What is this QR code authentication scheme called?

What is this pattern for mobile authentication called? It's more convenient than entering complex password on mobile phone, and I wanted to read about it more A user is authenticated within webapp ...
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3k views

Show another number when calling mobile phone [duplicate]

Nowadays I heard that some cheaters make mobile calls to steal banking & other private information.They show private numbers like 911 to their victims. Is it possible show different number to ...
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4answers
5k views

Ensure web service only accessed by authorized applications

Preface My mobile app allows users to create accounts on my service. In addition to being able to log in with external authentication providers, like Facebook, I want to give the user the option to ...
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2answers
501 views

Android side channels: what can one app observe about other apps?

What information can a malicious Android app observe about the behavior of other apps running on the same phone? In more detail, suppose app M is malicious and is running in the background. Suppose ...
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1answer
3k views

How does Activesync security policy affect the usage of the iOS fingerprint scanner?

An Activesync IT administrator has the ability to choose if the phone should require a password, and also how complex it should be. Since the fingerprint scanner appears to replace the traditional ...
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1answer
643 views

Static analysis of Android applications using Androguard

I am building a project a part of which involves performing static analysis for Android applications. I know of Androguard and its tools that help in analyzing Android apks. But I am stuck and don't ...
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2answers
605 views

Are kiosk-style, full screen apps possible on iOS, Android, or Windows phone?

A popular car insurance company in the US has an app that displays "digital car insurance" papers. In the commercials, these apps are opened, and the user gives the unlocked phone to police officers. ...
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1answer
912 views

Why is OAuth 2.0 being used for mobile devices, and not OpenID?

Microsoft Azure Mobile services exclusively uses OAuth 2.0 for authentication, and many other providers mention the use of OAuth 2.0 specifically when referring to mobile devices. Question What ...
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68 views

Authentication and removing the ability to replay information from a compromised machine

Consider this scenario. You have a client machine which is compromised, and a "master" machine which monitors that client's status (IsCompromised = {True|False}). The client has an agent which ...
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1answer
322 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 ...
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2answers
271 views

Do SPA applications have different security considerations than HTML5 sites?

I'm looking into Single Page Applications that are used for both mobile development (PhoneGap) and regular websites. Since the application can load from a offline copy, can run from ...
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2answers
279 views

OFF Pocket or switch off your phone?

OFF Pocket: OFF Pocket is a "privacy accessory for mobile phones to block all signals". To use the OFF Pocket simply place your phone inside the case and close it. Your phone is now OFF. ...
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1answer
355 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 ...
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2answers
482 views

Is it possible to respect a user's privacy while collecting phone MAC addresses?

In London, there are trash bins that track a phone's MAC address and monitor the users movement from one location to another. I want to see if there is any best practice for collecting private ...
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3answers
933 views

Implementing 'Remember Me' for a mobile application

I am developing a mobile application wherein I need to implement the 'Remember Me' functionality. There are certain pages within the application which require you to login. What I need to do is, if ...
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1answer
540 views

Transparently authenticating users or devices on mobile devices

I have an interest in using EAP-TLS to authenticate both users and devices separately on mobile devices (phones, iPods, tablets, etc.). My issue is how to delineate between user authentication and ...
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2answers
376 views

Avoiding MITM attacks when using HTTPS over mobile

There are a variety of other questions that address elements of this security issue, but none that seem (to a non-expert) to address the substantial core of the issues raised in this article: ...
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2answers
736 views

Is my SIM card vulnerable to DES cracking?

Srlabs have recently published article stating that many SIM cards can be exploited using vulnerability in DES: [...] While the option exists to use state-of-the-art AES or the somewhat outdated ...
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1answer
99 views

Mobile Device Security [closed]

Are there any other security threats to a mobile device other then a rogue app? I am trying to secure a set of business phones and tablets and while anti-virus applications are possible, I don't see ...
4
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1answer
991 views

Intercepting and reading SSL traffic generated by Android

I am trying to use my PC to capture, decrypt and analyse traffic from SSL sessions on my android tablet. So far, I have a ZAP proxy server set up, with a CA generated. On my android device, I have ...
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1answer
122 views

How can I securely identify mobile devices on a network without a lot of overhead?

I am thinking there must be some alternative better than passwords, but not so complex and difficult to administer as a full PKI infrastructure with client certificates on every device. My primary ...
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0answers
628 views

Security instructions for a mobile banking REST API

I am designing a .NET Web API-based REST API that would be accessed via a mobile banking-like app. We plan to use OAuth 2.0 Resource Owner flow for authorization. All requests will go through HTTPS ...
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4answers
259 views

Alternatives to the “open PC” security model

Today, PCs (laptops, desktops, etc.) generally work under what I'll call the "open PC" security model. Users have full, system administrator/developer-level access to their own machine. Users can ...
2
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1answer
249 views

Authentication for Mobile Devices

I am looking for ways to Authenticate on a mobile device. The mobile application is connecting to a WCF Service which in turn connects to a Database. Before the application retrieves any information ...
2
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2answers
304 views

Can you protect corporate email on personal phones without the option of wiping all personal data?

Our company recently announced a new IT policy that requires encryption of any personal smartphone used to connect to the corporate Exchange server. As far as I can tell, they're using Exchange ...
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2answers
1k views

Securing a REST api at the message level

I'd like some feedback on the following authentication idea, does it makes sense, and is there a standard way of doing this (or similar) so I can rely on a well tested implementation. I've seen many ...
4
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1answer
798 views

Authenticating users on offline devices such as ipad

We are wanting to authenticate the user inside a webapp (JavaScript/HTML inside browser) running on a tablet, but want to be able to do this when the device is offline from the network. I realize this ...
2
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1answer
890 views

Track an Android phone through its IMEI

My mobile phone got stolen few days back. I tried all possibilities to track it, the only option is through IMEI. Can I know which SIM card is running on that specific IMEI?
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2answers
367 views

Can botnets be injected through open wifi to smartphones?

I have read this paper, which is answers part of the question. It answers, 'open wifi will help increase the spread speed and impact' but what I want to know is, can you 'plant' an open wifi access ...
13
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2answers
27k views

Is it possible to make a phone call appear to come from another phone, even to the network provider?

Quick Question Is it possible that I could call a mobile number, but have the call forwarded through another number active on a different phone that someone else has? I have had unlimited access to ...
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1answer
2k views

How to properly delete all data from cell phones?

Lately I've been thinking to get rid of some old smartphones; among them an Android device and a Blackberry. Not selling or recycling them is the ideal solution, however, I still would like to know ...