Security in mobile devices. Issues concerning regular cellphones, smartphones, tablet computers and other portable information devices all fit into this category.
2
votes
1answer
82 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
votes
0answers
113 views
How to know my daughters cheat me? [on hold]
How to spy on my daughter cell phone.
She is 14 year old. I don't want she go out with some boy friends all the time.
I want she must study more and more.
Location,Whatsapp,SMS,Call are there any way ...
70
votes
8answers
32k views
Why can we still crack snapchat photos in 12 lines of Ruby?
tldr/for all those who dont really care to know how computers work but still want to know what is up: I think probably most of my friends aren't really computer or computer security minded, so I'm ...
3
votes
1answer
63 views
Is mosh now recommended by the security experts? (2014)
Mosh has been around for a while now. Although it's claimed to be "a replacement for SSH" by its authors, mosh does actually depend on ssh to do the initial authentication, after which an instance of ...
3
votes
1answer
56 views
What are industry-standard recommended practices to protect user information in an Android app?
I am developing an Android app that will potentially handle sensitive user data, and some of it may be even considered medical data (for example user height, weight, alergies, etc).
What would be the ...
1
vote
1answer
116 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 ...
4
votes
4answers
133 views
Contact person by phone, when their phone might have malware
I have a problem setting where I want to contact a user by phone, and where I need to protect the integrity of the phone call as much as possible. I'm wondering about how to design the interaction in ...
0
votes
0answers
63 views
Is it safe to use the official Facebook apps in a public Wifi?
I know, that my login credentials are sent in clear text for every body to read, when I log into facebook without using https from my mobile phone's browser in an public / non encrypted wifi.
And I ...
0
votes
1answer
102 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?
0
votes
0answers
29 views
Secure data with server and RSA? [duplicate]
the RSA system uses a private key to read the content encrypted with the public key. If I make a game for mobile, and want to save the data :
I guess I cannot save the private key on the device.
If ...
2
votes
1answer
64 views
PCI Complient Storing Credit Card Data On Offline Tablet
I have a client that does work in rural areas where there are no cellphone or internet connections. They need a way to take credit card information in the field, bring it back to their office where ...
2
votes
4answers
125 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?
...
0
votes
1answer
102 views
Performance of biometric authentication on cell phones as of 2014?
How well do the various biometric authentication methods currently perform in regards to precision and recall? Can anyone cite a relevant research article?
0
votes
1answer
71 views
Cellular Mobile Network Vulnerabilities - Is VPN the solution?
Do current mobile cellular networks like 3G offer enough security? The article from Info-Security states that
3G encryption cracked in less than two hours.
Could a eavesdropper or ...
-1
votes
1answer
63 views
physical access proof smart card for disk encryption [closed]
Current full disk encryption on mobile devices rely on low entropy passwords like PIN numbers or pattern locks. Being able to use a smartcard with such mobile devices is a tempting idea.
I know that ...
0
votes
2answers
106 views
Is there man in middle attack when using mobile phone calls?
My question is about the encryption between me and my mobile operator. My mobile operator uses A5/1. I use Samsung. Sometimes I see the symbol G on my phone which means GPRS. I don't know whether it ...
10
votes
3answers
532 views
Is Gmail showing images by default a good idea for privacy?
Google have decided to show images in Gmail messages accessed via the web, iOS and Android by default:
Instead of serving images directly from their original external host servers, Gmail will now ...
2
votes
2answers
172 views
How to prevent user's mobile phone position tracked
Trying to follow up this post How to trace a (mobile) phone? , the answers on how to prevent being tracked while you own a mobile phone are: You cant. (even if you use disposable phones etc)
1) Why a ...
0
votes
2answers
141 views
Does a simple mobile REST API need HTTPS?
Let's say I have a really simple mobile app with a server API. For example some kind of Q&A app, where users answer questions to win some points ('Who wants to be a Millionaire' kind of game).
...
0
votes
0answers
191 views
Securing REST API for use by mobile apps
I developed a REST API whose clients are mobile apps/websites under my control (API is not open to anyone). Users log into my mobile app/website with their Facebook or g+ login. I'd like to secure ...
0
votes
1answer
56 views
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 ...
0
votes
0answers
36 views
What kind of security do WhatsApp and Viber use? [duplicate]
What kind of security do chat applications implement
to preserve message integrity & confidentiality?
0
votes
1answer
217 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 ...
0
votes
1answer
154 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
...
1
vote
1answer
113 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 ...
0
votes
1answer
45 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 ...
1
vote
1answer
187 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 ...
1
vote
2answers
91 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 ...
3
votes
2answers
443 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 ...
1
vote
1answer
95 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 ...
2
votes
1answer
1k 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 ...
0
votes
1answer
40 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
1answer
66 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 ?
1
vote
1answer
108 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 ...
0
votes
2answers
414 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 ...
7
votes
3answers
2k 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 ...
0
votes
1answer
123 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 ...
3
votes
4answers
217 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
votes
1answer
126 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
votes
2answers
95 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
328 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 ...
4
votes
5answers
1k 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
278 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
303 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
345 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. ...
0
votes
1answer
386 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
62 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
181 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 ...
