Tagged Questions

iOS is Apple's operating system for the iPhone, iPad and iPod Touch.

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1
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1answer
68 views

Will ios8 encryption fail on forced shutdown?

I understand that IOS 8 data can be encrypted when the phone is locked, and decrypted for use when the phone is unlocked. But let's say the phone was unlocked (and thus the data is decrypted), and ...
0
votes
0answers
8 views

IOS Device ID query [migrated]

I am doing pen test of application on IOS device 7.1.2. Customer want me to find the IOS device ID in the keychain but I am not able to do it. If I am changing the device ID name then I am not able to ...
6
votes
3answers
482 views

Accessing iPhone data without passcode - how difficult?

I use iOS7 with a 4-digit passcode that isn't on any top 10 lists. I have "Erase all data after 10 failed passcode attempts" turned on. How hard would it be for someone who stole my phone to get ...
-1
votes
0answers
36 views

secure communications on mobile platforms [migrated]

What means are there to securely message your friends on mobile devices? Specifically if you and your friends use different operating systems like android and iOS. Are there ways to have group ...
2
votes
2answers
124 views

Security through obscurity - “https requests” are safe?

In an iPhone app that utilizes plain text (unencrypted) XML as the contents of its http POST requests over https to the app server; how would someone be able to discover the "format" of the plain text ...
-1
votes
0answers
23 views

running ECDH with CommonCrypto for iOS [migrated]

I am looking for the methods in CommonCrypto to generate the shared secret based on ECDH. I can find proprietary implementations but nothing standard. This method is called sometimes Key Exchange and ...
2
votes
0answers
96 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
35 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
5
votes
0answers
162 views

When does iOS check validity of enterprise certificates?

This article should give a little more context (and see my comment on it, same username, for additional info): http://www.engadget.com/2014/10/08/ios-update-will-block-emulators/ iOS developers are ...
4
votes
2answers
136 views

Encrypt with private and decrypt with public

Above picture is captured from iOS Security overview at page 25. The path encrypt with public and decrypt with private makes sense. But the other path, encrypt with private and decrypt with public ...
7
votes
1answer
2k views

Android L encryption vs. iOS 8 encryption

Recently, the new full-disk encryption system of Apple's iOS 8 operating system has been in the news. And soon after Apple's release, Google announced that they will also enable encryption by default ...
1
vote
1answer
42 views

Securing iOS applications communication from client side

Many of you have heard about instagram flaw that facebook has not fixed yet, The flaw allows the attacker to hijack the session by sniffing the session cookie on Instagram iOS app since it does not ...
2
votes
1answer
231 views

Capturing iTunes traffic with Wireshark - SSL decryption question

I'm fooling around with Wireshark to capture the activation packets for an iPhone and some other stuff, however the traffic is encrypted. There should be a private SSL key somewhere on my computer to ...
3
votes
2answers
162 views

How does iOS prevent unauthorised code from running?

I'm just wondering. How does iOS prevent someone from executing code on their device that isn't from Apple or downloaded from the App Store? Also what exactly, does a Jailbreak do to allow ...
6
votes
4answers
1k 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 ...
3
votes
3answers
260 views

Method to integrate Touch ID in iOS apps

With the recent announcement of Touch ID APIs for third party apps, I am wondering how can we leverage this feature to perform secure transaction ? I am looking for a method to use Touch ID in my ...
0
votes
0answers
185 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 ...
0
votes
0answers
18 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
3answers
59 views

How secure is my method?

I want to select data from a MySql database on an iphone device. The method I seem is the easiest one is to connect to a php file with GET arguments and then return it as a string. Now I'm just ...
1
vote
3answers
552 views

How secure is iOS Touch ID?

I was wondering how secure Touch ID/Keychain is really. My understanding is that iPhone 5S devices that use Touch ID allow you to enter a passcode if your fingerprint doesn't work, as a "fallback". ...
1
vote
1answer
91 views

Secure way of opening web page from iOS without need of logging in

I am developing an iOS application and web page, both use same Parse backend. Web page contains some functionality that is not available in the iOS application. Therefore I would like to present the ...
0
votes
2answers
141 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 ...
1
vote
1answer
189 views

What encryption does Apple use?

With their iOS devices, Apple allows people to block certain applications through "Restrictions". I recently had an issue with my iPhone where I'm positive that I entered the correct passcode on my ...
1
vote
2answers
667 views

Securing JSON data

I am planning to use JSON as the data transport mechanism between my iOS app and my server (the server is a WCF service). While learning about JSON, I realized that all the data is passed around ...
1
vote
1answer
84 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
0answers
373 views

Share and store RSA - public key in java server and vice versa

My requirements are: Requirement 1: Share public key to java server. Steps: Generate public-private keys in iOS app. Store the generated keys in keychain. Send generated public key to java server. ...
3
votes
1answer
445 views

iPhone iOS 7 Encryption at Lock Screen

Following this topic, I have a question about how the OS and apps access data while the phone is locked. Particularly in the case of iPhone 5S running iOS 7. When the device is locked, what allows ...
1
vote
1answer
124 views

Obfuscation and Mobile App

Recently, I stumbled with this topic in my mind for few days. I understand that obfuscation is not the best protection against reverse engineering. I wonder if there is another method that make it ...
0
votes
1answer
219 views

How to prove iOS app is vulnerable to MiTM

I'm updating an iOS app and I want to prove that it is vulnerable to MiTM attack. I have set up Charles Proxy on my mac and configured the Simulator so that it trusts Charles CA Certificate, per ...
0
votes
2answers
316 views

Are passwords safe to send through POST, without SSL in a iOS app?

Is it safe to post passwords to my web server in this manner? NSURL *url=[NSURL URLWithString:@"http://mywebsite/test/register.php"]; NSData *postData = [post dataUsingEncoding:NSASCIIStringEncoding ...
0
votes
1answer
113 views

Tablet / phone app security in unsecured networks

Although reluctant to use my laptop on unsecured networks, I at least know that without me launching any processes or logging into certain web pages, that I will not be sending any credentials over ...
4
votes
1answer
81 views

Decline any custom ssl certificate in a mobile application

Consider the following scenario. Eve creates an access point in a public place. Alice connects to the AP via mobile phone and starts browsing the Web. Eve redirects Alice to a registration page and ...
3
votes
3answers
508 views

Asymmetric Key Encryption in Group Chat

I am working on a chat application which supports both single user chat as well as group chat. We planned to encrypt messages in single user chat by public key of receiver and decrypt it using ...
11
votes
2answers
2k views

Is Apple's push notification service implementation vulnerable to a MitM attack

Recently(more info) I've spotted a strange message in the logs on my quite recent, fresh installation of OS X Mavericks 10.9.2 Apr 27 15:26:47 Ivans-MacBook-Pro.local apsd[194]: Unrecognized leaf ...
0
votes
0answers
16 views

Heartbleed - impact on iOS apps? [duplicate]

Just heard about the heartbleed news over the internet for OpenSSL and wondering if it affects ios apps as well. My app uses openssl crypto library and thus the concern ! Any views in this regard ...
2
votes
2answers
675 views

Mount Iphone for Forensic Analysis or Take Forensic Image

How do I mount my iphone to look at it's files forensically? I have FTK Imager (the only free program I could find) but it doesnt mount it as a drive and I can't seem to take a forensic image of the ...
1
vote
2answers
1k views

Why do I need a certificate to pin an SSL connection with AF Networking 2?

I am using the AF Networking 2 library and read that I need to include the server's certificate here. The client should be able to tell that the certificate is valid when it connects to the server, ...
0
votes
1answer
92 views

Per Vendor/Publisher Device Unique Identifier, How is it and how much secure? [closed]

iOS and WP8 support Unique Identifier per Vendor or Publisher according to this and that. Android unfortunately does not support that feature. Is there anybody knows the mechanics of that mechanism? ...
1
vote
0answers
97 views

HIPAA Compliant App, using Encypted Core Data vs Core Data Attribute Encyption

I am writing an iOS app which needs to be HIPAA compliant. The app should preferably function offline, so data needs to be stored on the phone. So here is what I was thinking of doing: On First ...
5
votes
1answer
2k views

Can an iOS 7 app access either device camera without user knowledge?

This statement in the iOS 7 release notes implies that non-China devices do not need user consent: iOS now requests user consent for apps to use audio input on all iOS 7 devices. For devices ...
1
vote
2answers
170 views

Protecting the remote database against tampering in a mobile app

This is the first time I face a mobile app deployment at big scale. This app needs to connect to a remote server where to store and retrieve data. I discarded connecting directly to the MySQL ...
3
votes
1answer
163 views

Is Google API Key a sensitive information that needs to be protected?

I'm making use of google API for location (in Android, iOS apps).. Can the key be hardcoded? Or should it be protected? If It's sensitive, why is it sensitive and how can attackers exploit this?
2
votes
1answer
98 views

Does using Chrome bypass the Apple iOS gotofail bug ?

Does the recent certificate gotofail bug affect me if I'm running version 6 of iOS, but only use Chrome as my browser?
0
votes
3answers
119 views

Restrict request to Android and Iphone App only?

I have a ASP.NET/IIS server. I want to restrict my server to only accept request from Android and Iphone(IOS) applications. I have heard about HMAC. Can HMAC help me?
-2
votes
1answer
112 views

Cross-checking Driver's License Against DMV Using MySQL DB or PHP Script? [closed]

Ok, so I am coming into this a little blind on how to go about allowing this app to store and check one's driver's license ID against the DMV or some other government agency. Basically, everything ...
0
votes
1answer
159 views

Zeus for iOS devices

Is there a known variant of Zeus which attacks iOS based mobile devices? I have read about versions for Android and Symbian , wondering if iOS is vulnerable to it as well.
1
vote
1answer
294 views

What unique fingerprinting information can an iOS7 app collect?

I'm interested in unique information that is beyond typical user knowledge or control. As of iOS 7, users can easily protect local physical tracking by controlling radios (cell, WiFi, Bluetooth) in ...
3
votes
2answers
243 views

Detection of function hooking in iOS

So far as I know, in iOS there are three techniques of function hooking: preload library using DYLD_INSERT_LIBRARIES imported symbol table redirection using fishhook patch the functions when they ...
1
vote
0answers
115 views

Implementation of different BCrypt versions

I'm fairly new to encryption, and I am investigating the different kind of encryptions. I want to encrypt passwords in a secure way. I discussed this with my colleague, and he said that BCrypt is the ...
1
vote
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 ...