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

learn more… | top users | synonyms

3
votes
2answers
106 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 ...
1
vote
1answer
346 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 ...
0
votes
1answer
1k 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 ...
5
votes
5answers
2k 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 ...
5
votes
2answers
341 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 ...
2
votes
1answer
2k 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 ...
1
vote
1answer
357 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 ...
3
votes
2answers
376 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. ...
3
votes
1answer
488 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 ...
1
vote
1answer
64 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 ...
2
votes
1answer
202 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
181 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 ...
2
votes
2answers
257 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. ...
4
votes
1answer
197 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 ...
1
vote
2answers
401 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 ...
1
vote
3answers
458 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 ...
1
vote
1answer
349 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 ...
5
votes
2answers
249 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: ...
5
votes
2answers
484 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 ...
-2
votes
1answer
72 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
votes
1answer
641 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 ...
0
votes
1answer
94 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 ...
2
votes
0answers
423 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 ...
7
votes
4answers
246 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
votes
1answer
178 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
votes
2answers
203 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 ...
6
votes
2answers
578 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 ...
2
votes
1answer
404 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 realise this ...
2
votes
1answer
709 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?
4
votes
2answers
282 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
votes
2answers
10k 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 ...
8
votes
1answer
921 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 ...
25
votes
3answers
3k views

Why do a lot of Android apps (like Linkedin) require many unrelated privileges?

I wanted to install the Linkedin app on my Android phone and I was shocked when it asked for nearly all possible permissions including reading all of my private data and calendar data. Why does any ...
1
vote
1answer
112 views

What cellular network is used for automobile theft recovery? Can that be used for PCs and mobile devices?

I'm interested in sending a remote wipe command to stolen IT devices, such as a cell phone, or wifi connected device. However most remote wipe technologies require that the cellular service (or wifi) ...
-2
votes
2answers
1k views

Can a windows phone be traced without a SIM and battery [closed]

I lost my lumia 800 mobile two days back. If the sim and battery is removed can it be traced with the IMEI number by the cops if I lodge a complain? Or can the location be traced if a new sim is used ...
1
vote
1answer
63 views

Starting point for Mobile Device Security particularly in a MDM setting?

I am looking for some good reference material (books, blogs, names, etc..) regarding Mobile Device Security. I am specifically interested in Corporate Mobile Device Management (MDM) where often ...
62
votes
7answers
7k views

Touch Screen Password Guessing by Fingerprint Trace

After eating some garlic bread at a friend's who is not security-aware, she managed to quickly determine the PIN code to unlock the screen of my Samsung SIII. She figured this out by simply holding ...
4
votes
1answer
99 views

Is access to the caller API in mobile phones a real security threat?

From time-to-time I receive "Unknown" caller on my mobile phone. I do not want to answer those calls as I do not trust the identity of a caller. I feel safer if I can see caller name or at least ...
-2
votes
3answers
84 views

Do Mobile Device Management solutions provide a mechanism for an internal website to know what kind of device is connecting? [closed]

Is there any mechanism in mobile device management solutions that would allow a web server (for an internal, authenticated system, e.g. SharePoint) to know that a request is coming from a mobile ...
15
votes
2answers
383 views

Mitigating the loss of a mobile phone used for second-factor login

Take the following scenario: John is using GMail for his primary email account and LastPass as his password management system. Both of these accounts are using the Google Authenticator mobile ...
3
votes
2answers
891 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 ...
3
votes
3answers
966 views

Security concerns with malicious NFC tags?

I was reading this article from Life Hacker, How to Automate Your Phone for Every Room in the House with NFC Tags. The idea is to place NFC tags around your house, car, etc. so that you phone will ...
12
votes
2answers
1k views

Ingress collects a lot of data - what impact could this have on my privacy or security?

The Augmented Reality game from Google, Ingress, has players travel to specific GPS locations to destroy and rebuild virtual targets, link locations, and team up with other players in order to carry ...
5
votes
1answer
361 views

Distributing API Keys to Mobile Apps

I'm currently developing a mobile app (iOS based initially) that consumes multiple APIs. Currently we're storing API keys as strings in the the prefix header file, and initializing most of the APIs ...
3
votes
1answer
332 views

Does the Windows Surface RT or Pro (Windows 8) support local encryption of Activesync data?

Our company policy is requires the local encryption of data for all email (in case the device is stolen) Does the Windows Surface (either version) support local encryption? Is the local device ...
4
votes
1answer
632 views

Would introducing client certificates for a mobile app improve security?

I have developed a REST API which has been configured to only operate over HTTPS. The sole purpose of this API (at least for the moment) is to operate as the backend entry point for a mobile ...
3
votes
2answers
109 views

Authorising use of apps from a public store with no back end service

I have a project I'm involved in which needs to distribute a mobile app to a specific audience. Due to regulatory restrictions in the target market, only this audience is allowed to access the data ...
9
votes
1answer
622 views

List of methods in iOS that have been deprecated for security reasons?

Is anybody on the nets keeping track of iOS methods that have been deprecated by Apple for security reasons? I have searched around but with no luck. Going through all the deprecated methods and ...
10
votes
1answer
1k views

How do anti-virus apps for Android work?

There seems to be a lot of anti-virus apps for Android. On a desktop or server an anti-virus must run with super-user privileges, however I am pretty sure these mobile anti-viruses are running as an ...
6
votes
1answer
101 views

What hardware do I need to monitor mobile traffic?

What kind of hardware would I need to monitor data sent between a mobile handset and a base-station?