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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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 ...
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2answers
3k views

IKEv2 vs OpenVPN

I want to ask you for information about the IKEv2 protocol for a VPN connection. I haven't found so much information on the web. I am interested especially regarding the usage on a mobile phone. Is it ...
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1answer
319 views

How easy is it for hackers to gain unauthorized access to resources on an Android phone?

I caught a segment of an NBC news story describing how hackers can access messages, phone conversations, location, camera, microphone, and more provided that they can install a malicious app on your ...
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3answers
2k 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 ...
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1answer
403 views

Data remanence on mobile devices

The methods in which data should be deleted is strictly enforced by the DoD as well as others security sensitive organizations. However, there are complications with deleting data on an SSD. Given ...
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3answers
623 views

What are the security implications of phone based keyless entry systems?

I have just been reading about Lockitron which promises to provide phone based keyless entry for the home. As great an idea as this sounds it strikes me that it could come along with some very serious ...
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3answers
468 views

What are the best practices for maintaining privacy on a non-jailbroken iOS device?

iOS, like most other mobile OSs, has the potential to leak significant chunks of personal information to 3rd-party apps and to ad and tracking networks used by those apps, which in turn also has the ...
4
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1answer
204 views

Which is more secure: develop a mobile app in its Native language or using cross-platform UI?

I am just wondering if there are benefits from a security perspective to develop a mobile App either as native app or as a cross-platform UI app, in particular Rhodes? I need to develop an application ...
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4answers
697 views

Top Mobile Device Security Concerns? [closed]

What does everyone see as the top security concerns for mobile devices at the present time? I am working on a paper on the topic, but it seemed worth asking here to see if I might have missed ...
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1answer
1k views

Which encryption algo should be best for an Android application [duplicate]

Possible Duplicate: Which type of encryption algorithms android supports, and which would be better? I am confused about to use of DES. Triple DES, RSA and AES algorithms, I think I couldn't ...
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2answers
1k views

On iOS, what's the benefit of OpenSSL over using CFStream, CFNetwork etc. for secure sockets?

I asked this already on Stack Overflow, here. I was told I might find answers here.
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2answers
93 views

Difference between “Unknown” and “Hidden” Caller ID

I remember the times when I had an old Nokia phone as my main; there was some weird behaviour with Caller ID which was strange for me. When somebody with subscription to "Hide your number" service ...
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2answers
188 views

Passwordless website authentication scheme

I have a userbase which really isn't all that inclined to create a secure password for a website. They're also almost entirely on mobile devices, so I would like to try something a little different ...
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2answers
286 views

Email for the second factor in 2FA systems

the scenario is in a corporate environment and not connected to internet. The other day I was arguing with my colleague on whether email is good enough to be the second factor in a 2FA system. My ...
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4answers
628 views

Can my phone be affected by malware through mobile phone signal?

My phone is newly bought. Can a hacker actually scan the mobile phone signal around me, detect it, and put virus/malware into my phone THROUGH the mobile phone signal of my mobile service provider? ...
4
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1answer
251 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 ...
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2answers
318 views

Evernote hacked - precautions?

On March 2, 2013, the digital note taking system Evernote was hacked. Evernote has forced new passwords and have released new updates to Windows, Windows phone and iOS of their client software. ...
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2answers
387 views

iPhone - logging out user when app goes into background

Our (financial/banking) mobile app requires user to enter username/password in order to get data via webservice calls. Once user is logged in, credentials are stored in global variable until user logs ...
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1answer
969 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 ...
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3answers
214 views

Resources/tools for controlling access to corporate email on smartphones

If one of our employees has access to corporate email on a smartphone I want to make sure that if they lose the phone then whoever finds it can't get at any corporate email on that phone. For iOS ...
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2answers
97 views

Out of band verification using phone; a fallacy?

More and more websites nowadays require new users to verify their 'identity' by requesting the user prove that he/she has access to a device identified by a telephone number (typically a phone). The ...
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2answers
345 views

Google Chrome on Android constantly being redirected

I have an Android (5.0.1 with December 2015 patches). My problem is with Chrome (latest version as per Google Play Store). Which has malicious redirect going on to ...
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1answer
2k 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
138 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 ...
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2answers
789 views

Blackberry QNX / Playbook encryption details

Now that Blackberry received FIPS 140-2 certification for one of it's QNX devices, does anyone have technical specifics on how data is encrypted on both mobile phones or the Playbook tablet? I'm ...
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1answer
1k views

Blackberry + RIM Bluetooth-based Smart Card Reader

Has anyone used this Bluetooth based smartcard reader? (scroll to bottom) If so, what are your experiences with it? Can you tell me if it's possible to require only the presence of the card + card ...
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3answers
494 views

How is “Touch Jacking” prevented on iOS, Android, and Win 10 - touch?

I'm looking at the security of both iOS and Android from a Touch-jacking security perspective. In other words, I expect that an application can be in a secure state to ensure that no overlays, screen ...
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2answers
191 views

Difference/Relationship between data leakage analysis and vulnerability analysis?

What is the difference/relationship between data leakage analysis and vulnerability analysis? How much and what kind of vulnerability testing is required for data leakage analysis? I have to give ...
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2answers
570 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?
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1answer
1k 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 ...
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1answer
462 views

Implementation of Blizzard's Mobile Authenticator

How is the Blizzard Mobile Authenticator implemented? Does it happen to use OATH-TOTP or something similar?
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1answer
240 views

What are best practices considering the use of Apple data protection?

Since iOS 4, Apple data protection supports hardware based encryption of confidential information on the device. I looked around for best practices considering the use of Apple data protection, but ...
4
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1answer
565 views

Do you know any .xry reader for MacOS/*BSD or Linux?

I am looking for a .xry reader (software) that works on mac/*bsd/linux in order to perform a forensic analysis. Can you suggest one?
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1answer
97 views

Security of cellular-connected devices

The EFF Secure Messaging Scorecard lists a number of apps that meet all of its security criteria. So assuming that end-to-end encryption is accessible for the majority of people in countries in which ...
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2answers
162 views

How should software respond when Captive Portals or Untrusted SSL certs prevent connectivity?

I need to fix an issue where the initial (or perhaps only) HTTPS call to a website is blocked by a captive portal, not managed by me. The resolution has been to ask the user to navigate to a "http" ...
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1answer
1k views

iOS application pentest without jailbreak

Is it possible to run a security assessment on an iOS application using a non-jailbroken device? My device was recently restored (recovered - no SHSH blobs) to iOS 8.4.1 (as Apple doesn't like ...
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2answers
335 views

How to trace source of clickjacking attack within a website using developer tools?

When surfing a popular Wordpress website on my mobile, clicking on a link to an article within would sometimes open a new window to a malicious website or launch the Apps Store. I am interested to ...
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1answer
8k views

IP address, iphone, Snapchat

My child is being accused of doing some improper things via Snapchat, but he swears that he did not do anything, and he is the type of person who probably would not. The only thing the police are ...
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2answers
195 views

How can I validate time-sensitive data is coming from a mobile app, and not being forged?

In our application, a user selects answers to questions. Their score is based on the time spent answering each question down to a tenth of a second. The server is responsible for calculating and ...
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1answer
2k views

Is OAuth always the right choice (and when isn't it)

So I am reluctant to ask too much of a noob question, as this guy aked about a non-standard approach and got down voted a bunch, but here goes. I am creating a mobile application which needs to ...
4
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1answer
2k 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 ...
4
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1answer
120 views

Is there such thing as a smart phone with auto-forget password feature?

Storing passwords to external services (e.g. corporate email servers) on smart phones is very insecure, since phones are more easily stolen. Has any vendor implemented a feature to only cache a ...
4
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1answer
333 views

How does the mobile security technology APNS and 3LM work?

APNS is an iPhone technology that assists with mobile push. 3LM is a BIOS-level security technology embedded in certain Android phones. I recently got off the phone with Boxtone and they said they ...
4
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1answer
51 views

What kind of information gets shared while pairing a device using Bluetooth? [duplicate]

I am using LGKp500 phone. My software version is KP500AT_V10h. Its a simple touch phone. It's not a smartphone. Now can anyone tell me, when Im pairing my phone with another phone using bluetooth (...
4
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3answers
1k views

What OS's will “brick” a stolen phone; preventing their use or resale by a potential thief?

You can look at this question in two ways: Prior to purchasing a used phone, I want to ensure that the IMEI is not locked and I'm able to use it fully. Or you can be a purchaser who wants to devalue ...
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0answers
80 views

Are mobile phone calls cached by the network? [closed]

While transmitting a phone call from one mobile phone to another across several carriers, I assume it may be necessary to buffer the audio data for a few seconds. My questions: a) Is it true, ...
4
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0answers
206 views

What unique device fingerprinting information can an iOS9 app collect?

As a follow-on to these questions: What unique fingerprinting information can an iOS7 app collect? What unique device fingerprinting information can an iOS8 app collect? Apple has apparently ...
4
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2answers
91 views

How am I supposed to verify the origin of a sign-in page in a web view? [duplicate]

I just had to sign in into my google account in an iPhone app. It's a third party, that only uses the google account for authentication. The familiar google sign in page appeared in what is known as a ...
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4answers
730 views

User-to-user encryption in addition to SSL for mobile phones?

I have learned that SSL is a protocol to implement machine-to-machine encryption and that there are protocols, like PGP, which implement user-to-user encryption (end-to-end encryption). There are ...
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4answers
1k 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. ...