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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2
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0answers
208 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
0answers
39 views

Do iOS applications have access to the certificates installed?

As the title says, I'm curious if a generic iOS application can access/retrieve the certificates installed in the device (e.g., via a management profile) Thanks
0
votes
3answers
160 views

How is chase mobile deposit verified? [duplicate]

I read this but it didn't ask the question I want answered. How is Chase Mobile Deposit Secure? What I want to know is how do they avoid accepting a Photoshopped check? When someone gives me a ...
0
votes
3answers
203 views

PCI Compliance Check-list

I'm currently attempting to wrap my head around PCI compliance - and what I need to do for my business to be compliant. I would like some confirmation on what I've found so far. I accept payments in ...
3
votes
1answer
162 views

Why use “App Secret” in mobile applications?

I see some SaaS require to import "App Secret" into your application also with "Application Key". I understand the "Applicaton Key", but can not understand the "App Secret". Here is why: I can ...
3
votes
1answer
449 views

Storing Credit Card Information on Mobile Phones

I've inherited the code-base for a legacy mobile app (both the native Android and native iOS version) and am running a security review on it, a few things stood out to me. The app allows a user to ...
1
vote
1answer
343 views

How does authentication work without OAuth in mobile apps?

I have a (Drupal) website that needs a companion mobile app for some stuff (quite customized, not just creating/viewing nodes). I know I can use OAuth for this, but I was wondering about alternatives ...
-1
votes
1answer
47 views

TPMs available on mobile with application access [closed]

I am looking for a mobile device, preferably a smartphone or a tablet, that contains a TPM (v1.2 or 2.0) and provides application access to it through an API. Does anyone know if any such devices ...
2
votes
1answer
371 views

Android app isolation risks & implementation

Are Android apps, specifically Chrome, isolated? Can other apps listen to other apps' activity? If so, how can apps be sandboxed?
1
vote
2answers
1k views

Is it safe to use preyproject?

prey project tracks mobile devices and helps to find stolen devices. Is it safe from privacy perspective? How can I know that it doesn't spy on me?
32
votes
4answers
6k views

Why is GSM still used?

GSMs vulnerabilities have been known a long time now. UMTS was supposed to fix those problems. Why is GSM still used?
1
vote
1answer
97 views

My app is asking for card details, but does not stores them. Do I need PCI compliance?

I plan to build an Android/iPhone app. The app will contain a few forms and status screens. One of the screens will ask the user for their card details. Once they'll click submit they'll be sent over ...
1
vote
1answer
96 views

OTP for syncing mobile device

Scenario: a web app with two-factor authentication using username/password and hardware OTP. Once logged into the app, one of the app modules should be used in a tablet or any mobile device without a ...
1
vote
1answer
189 views

How to convert SSL Certificate for mobile app?

I am in the current process of renewing my SSL cert for my website. I also have a mobile app for my site. I want to use the same cert from my website in my mobile app. How can I do this? Thanks - I ...
2
votes
2answers
547 views

ByPass usb GPO with iphone -and probably other mobile-

So I am running pentest on a device running Win7 and admin user set group policy to disable all mass storage devices and all usb's. I have access to local user without privs. Although my usb stick ...
2
votes
2answers
237 views

How do you find out if a phone is secretly sending private data to a remote server?

I read a recent article on a Chinese phone manufacturer on Wall Street Journal that says: The rumors had begun when a user posted online in mid-July that his RedMi Note smartphone was ...
5
votes
5answers
4k views

Is it possible for a phone to be transmitting even while turned off and the battery removed?

Is it technically or theoretically possible for any part of a mobile phone's circuitry to be still on and transmitting even while turned off and the battery has been removed? If so, how? I am ...
2
votes
1answer
3k views

Can virus save to SIM Card?

(Before everything excuse me because of my 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 ...
9
votes
4answers
7k 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 ...
4
votes
2answers
429 views

Is it safe to use virtual mobile numbers for verification

Is it safe to use virtual mobile numbers for account verification & authentication for services such as PayPal, Twitter, Gmail, Linkekdin, etc.? And what is the security drawback for this?
0
votes
2answers
571 views

Native app, token authentication without login/password

I'm working on a always online mobile game (native android/iOS app with Unity) and i would like to be able to authenticate the player without requiring any login/password at the beginning. For those ...
44
votes
1answer
9k views

How does a SIM card prevent cloning?

I have read a few articles about SIM cards, stating that the chip inside them uses some cryptographic magic to prevent people from cloning your number. This to me seems borderline impossible, given ...
-1
votes
1answer
1k views

Someone borrowed my phone and Im scared its hacked [closed]

I am from Australia and I use a iPhone 4. Today, a young guy asked to borrow my phone, since he was out of credit and since I was trying to be a good samaritan, let him borrow my phone (also we were ...
0
votes
2answers
98 views

How to securely serve client-side-only web content to mobile with convenience?

For a cryptocurrency client implementation, I am serving a single page webapp to mobile clients. It is a client-side-only page. I would like to serve this page to clients, but I fear tampering by ...
6
votes
3answers
2k views

Is it possible to track a missing brand new phone? [closed]

I ordered a Nokia phone online and it turned out that the packet had been tampered and the phone was missing from the package. Obviously it does not have a SIM card, etc. I assume someone stole it ...
1
vote
1answer
235 views

How to secure my REST API once user authenticates with Google on mobile client?

In my application, I build REST APIs so that user can interact with my application server. Since I do not want to maintain User/Passwords, my iOS app authenticates client using Google. This all ...
0
votes
1answer
177 views

A no-login approach to authenticating a certain device, MAC-Address as password?

I have created a REST api, and now i'm thinking about authentication. I want the mobile application's flow for the user to be very simple: only having to enter a username and then this username ...
1
vote
0answers
476 views

Mobile Backend Server: How to validate authenticated client is valid?

Consider this scenario Step 1: App asks user to "Sign In" using Google or Facebook Step 2: Once authenticated, app sends user's Id (from Google/Facebook) to My App Server requested to app ...
1
vote
1answer
187 views

Checking if apk's contain malicious software [closed]

Is there a programmatic way to check if a given mobile application executable is malicious through some sort of lookup service? I have used Virustotal for desktop malware, does it work for mobile ...
1
vote
1answer
387 views

Is it safe to store public key encrypted password in the Mobile Device for authentication purposes?

I have a Apache Cordova hybrid mobile app that needs to authenticate users, but we don't want to prompt for credentials every time the app is used. Some options came to my mind: Store the password ...
-2
votes
1answer
71 views

Voicemail PIN reset - what is a DDN? [closed]

Here is a recording of Glenn Mulcaire using social engineering to reset the PINs to voice mailboxes to which he did not have authorised access. (At least, that's my understanding.) He appears to say ...
3
votes
2answers
1k views

How can I get a fiddler-style trace of an iPhone / Android?

I want to audit the HTTP and HTTPS activity of apps downloaded onto my mobile device. What is the best way to do this? I own the device, can add a root certificate, and can connect the running ...
1
vote
0answers
40 views

Is SCEP safe if I use a different long and complex password per enrollment, and validate it against expected parameters?

I'm considering using SCEP to enroll iPads and other devices in my network. The iOS configuration profile allows me to configure a different password for each device. Is it valid, and safe for me to ...
0
votes
2answers
8k 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 ...
0
votes
1answer
36 views

From a deployment and OPS perspective, should a S/MIME signing and encryption key have different expiration dates?

Assuming the client supports different keys, what is some rationale that should be considered for signing and encryption keys? The encryption key needs to be present on each device that is used to ...
0
votes
1answer
123 views

How do I secure “Data at Rest” only allowing Service API to access it from a mobile application

How do I secure data at rest from unauthorized access, but still allowing my application to access the data using user authentication over HTTPS? My scenario is as follows: Login to application ...
1
vote
3answers
124 views

Is it possible to read files in a mobile phone for carriers through mobile network alone?

Say a smartphone does not have any (internet) data plans activated (no gprs, 3g data etc.). It just connects to the tower for calls. So is it technically possible for the carrier or law enforcement ...
2
votes
3answers
3k views

how can I tell if I'm under IMSI cell phone surveillance

I've recently had an encounter with the law, the details of which I won't disclose here since the case is still in court. They took my phone, naturally. I deactivated it as soon as I was released ...
0
votes
2answers
278 views

What is the purpose of HTTPS GET vs POST requests when certificate pinning?

I have a mobile app which uses public key pinning to make sure that I only connect to servers from my CA. This works great with https, and it makes it so that nobody can really proxy my server and ...
0
votes
2answers
307 views

When Activesync policy is applied to iPhones allows thumbprint-unlock, while Android does not. Which is correct?

We have a long-standing ActiveSync device policy that requires an unlock code for all phones that use corporate email. It seems that iPhones with "swipe to unlock" and Android phones with similar ...
5
votes
2answers
2k views

GET over HTTPS vs POST over HTTPS [duplicate]

How safe is a hybrid mobile application developed using a GET Web service over HTTPS? What are the pros and cons of using it and how safe is POST over HTTPS?
1
vote
3answers
224 views

What security mechanisms are in place for iOS' custom keyboards?

Apple has just announced iOS 8. The new version appears to be more extensible than previous versions, and one of the new possiblities is to allow developers to develop custom keyboards, different than ...
0
votes
2answers
159 views

Is it safe to rely on text messages as a means on authentication?

Many websites, including banks, use text messages as their primary or secondary means of authentication. In theory, it sounds like a perfect method unless the user loses their phone or has it infected ...
1
vote
1answer
164 views

Does PCI DSS 1.4 include tablets and smartphones?

1.4 install personal firewall software on any mobile and/or employee-owned computers with direct connectivity to the Internet (for example, laptops used by employees), which are used to access the ...
5
votes
3answers
901 views

3G Femtocell at home: can anybody connect, and is all traffic encrypted?

At our office we have bad reception for 3G. We bought a Femtocell device that provides a 3G connection for one specific mobile provider. This device is connected to our network via ethernet. I cannot ...
2
votes
1answer
114 views

Should a Mobile app able to check what password is locally saved via a user facing feature?

I'm working at a company who is currently working to secure their mobile app (iOS native) by adding check points to security sensitive screens on the device (data is stored in the iOS keychain). User ...
0
votes
2answers
234 views

IMEI or IP being recognised?

Can a website see my IMEI number? I have been banned from a website for multiple accounts, although I always cleared cookies, disconnected and reconnected from "the cloud" which gives me a different ...
1
vote
0answers
125 views

How do Android reverse engineering tools extract packages/ package hierarchy present in Android apps? [closed]

I have been involved in disassembling Android apps using baksmali and dexpler. Whenever I disassemble an app, I find the packages and package hierarchy (that would have been available in development ...
7
votes
2answers
705 views

LTE networks and MITM

2G would leave you vulnerable to spoofed base stations. 3G tried to somewhat fix that using mutual authentication. Now, I tried to check how LTE handles this but I couldn’t find any usefull ...
17
votes
5answers
6k views

Are SMS,MMS stored on the network service providers' servers?

Are SMS and MMS sent via a mobile phone stored on telecommunication service providers' servers before passing them to the recipient? Does it depend on the country or does every network service ...