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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19
votes
4answers
9k views

Can A Powered Down Cell Phone be Turned On Remotely?

I know this is tin-foil hat fodder, but at least one judicial opinion (http://www.politechbot.com/docs/fbi.ardito.roving.bug.opinion.120106.txt) referenced a bug that could track/listen in on the ...
27
votes
5answers
32k views

How to trace a (mobile) phone?

Even since growing up, I've watched films in which the "bad guy" is repeatedly tracked down when they call the police or FBI or police force de jour. They always have "about 30 seconds". Regardless ...
2
votes
3answers
2k views

Intercept data sent via bluetooth

I am trying to re-write a closed-source application, originally deployed on mobile devices, that lets you command and control a certain type of mechanical robots via bluetooth. The new application I ...
7
votes
3answers
680 views

Is a mobile app more secure for mobile use than the “normal” website?

An untrained end user who uses a mobile web browser is vulnerable to phishing and can't easily verify the the authenticity (or security) of a website among other issues. Also, it is very easy to ...
1
vote
3answers
170 views

Smartphone SSH clients with shared user

I am writing an application for smartphones to provide very limited SSH usage. The user cannot perform arbitrary actions when logged in. They can run a specific script(s) only. For various reasons ...
1
vote
2answers
103 views

Can I instruct a Telco to prevent 2G connections from our phones?

Given that 2G is proven to be insecure (broken) at DefCon, is it possible for a Corporate IT department to work with the Telco and ban 2G connections for their devices? Some cell phones are unable to ...
3
votes
1answer
538 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 ...
2
votes
1answer
294 views

iPhone Credit Card Payment

I am trying to understand what is the best way to implement a credit card payment flow into a native iPhone app. From what I see on the market, most of the apps use a WebView to process the payment. I ...
7
votes
3answers
1k views

BlackBerry handheld penetration testing

Are there any relevant resources, tools or documents about penetration testing of BlackBerry handhelds?
5
votes
1answer
286 views

SMS PDU specification and carving techniques?

I'm trying to carve NAND flash raw dumps for SMS:s (for school, digital forensics), following the information on dreamfabric.com, but I'm having some trouble. First of all, the specification isn't ...
4
votes
2answers
602 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 ...
5
votes
3answers
1k views

Proof of SIM card possession on iOS devices

I need to proof that a user of my app is in possession of the correct SIM card. On android devices, this is possible by simply sending a challenge within an SMS to the corresponding number (the proof ...
8
votes
3answers
2k views

Can malware read keychain entries on iOS devices?

Keychain entries of a 3rd party app are protected according their 'protection class'. For example, assigning the class 'kSecAttrAccessibleWhenUnlocked' to a keychain entry means that the entry is only ...
3
votes
2answers
1k views

SMS / voice call interception with a fake base station

This answer to a similar topic describes in a detailed way how vulnerable SMS and voice calls are in terms of decryption. In order to do so, an attacker needs to set up a fake base station located ...
1
vote
1answer
111 views

Should the email server/application be protected by 2 factor authentication? What applications should be protected?

When should email be protected by 2 factor authentication? Suppose a given company is in an industry where two factor authentication is offered to some or all of its clients. Does this mean that it ...
37
votes
6answers
8k views

How hard is it to intercept SMS (two-factor authentication)?

A lot of two-factor authentication mechanisms use SMS to deliver single-use passphrase to the user. So how secure is it? Is it hard to intercept the SMS message containing the passphrase? Do mobile ...
5
votes
10answers
576 views

Can a compromised mobile phone be used to penetrate a desktop or server?

Can a compromised mobile phone be used to penetrate a desktop or server, such as when you plug the phone into the server or desktop for plug and play? I don't know what protocol the transfer is ...
9
votes
8answers
5k views

Keyloggers on Smartphones?

I need to clarify my question. I'm wondering if there are any apps for smartphone that can log each 'keystroke' (i.e. key pressed on touchscreen) that a user does. Performing a google search brings up ...
6
votes
4answers
3k views

How to harden an iPhone/Android app so its tough to reverse-engineer it?

These are the following objectives I have in mind: Make the app hard to crack, as the binary will hold some secret tokens. If it still can be cracked, is there any way the app can tell someone or ...
13
votes
3answers
312 views

Malicious QR Code and Mitigation

I just started reading a little on QR code, so I'm not entirely familiar with QR Code capabilities, but a thought crossed my mind today. I scanned a QR Code on a postcard I received, and it ...
3
votes
3answers
633 views

Android Pen Testing

I have been pen testing a random android app that uses POST method to send data to a remote server using HTTPS. I have set up a proxy and am able to intercept the traffic, however the POST method ...
1
vote
1answer
338 views

How should I block BIS connections from accessing my Exchange Server

BIS is a technology from Blackberry that allows end users to connect to an Exchange server without a BES server. The problem is that BES asserts a security policy on the devices, and BIS does not ...
2
votes
1answer
343 views

How secure are native iPhone - PUSH Services

The native app is sending the UDID to Provider Service for recieving PUSH Notification thru APNS. How is it possible to prevent tampered request(modified UDID) getting processed at Provider Service? ...
4
votes
4answers
602 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 ...
2
votes
1answer
680 views

Which crypto-algorithem uses iOS in NSDataWritingFileProtection and what is the keysize?

I need to know the crypto algorithm and key strength of NSDataWritingFileProtection. I would like to know the same things for using the Keychain and NSFileManager. I searched the Apple Developer ...
6
votes
3answers
981 views

Are there any established mobile security frameworks or secure coding guidelines available?

I am looking for security frameworks and secure coding guidelines especially for mobile devices (Android and iOS). The languages I am interested in are Objective-C, JAVA and HTML5. If there are no ...
10
votes
2answers
634 views

What else can be sniffed?

I'm a pentest newbie. Recently I've learned about sniffing in LANs. From the books and internet resources I'm studying, the sniffing (or packet capture) is always done on either Wired LANs (Ethernet ...
10
votes
3answers
3k views

iOS/Android Pen-Test

This question might be vague, that is because I am not sure where to start. There are a lot of books and courses on pentest focusing on networks, systems, and OS such as windows, yet I haven't been ...
7
votes
1answer
297 views

How are alternative operating systems even possible to load on a mobile device?

The whole idea of a signed boot image is to prevent replacing the boot image with something customized or malicious. However, the entire process seems to be reliant on a single point of failure: the ...
5
votes
3answers
3k views

What makes the Blackberry device and network more secure?

One of Blackberry's strongest assets is the "network" that it uses. Can someone explain, or link to technical information that covers what this secure network is, and what it does better than the ...
7
votes
3answers
32 views

Active measures against lost or stolen PDAs in healthcare?

Many physicians, nurses, and technical staff like to carry PDAs to be kept abreast of patient conditions. Various companies want caretakers to view ECGs on their iPads. Due to the incredibly private ...
2
votes
2answers
1k views

Guidelines for secure iPhone application development

Are there any security guidelines for development and assessment of (native) iPhone applications?
2
votes
1answer
185 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 ...
14
votes
4answers
3k views

What risk does Carrier IQ pose, exactly?

There has been a lot of discussion about Carrier IQ, monitoring software that is pre-installed on many Android phones. Many allegations have been thrown out. My questions: What exactly does Carrier ...
3
votes
3answers
173 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 ...
2
votes
2answers
224 views

Securing iPads and laptops in an enterprise

We have users in our organization who own iPads and we'd like to connect them to the network; however, if the users download and store sensitive data on the devices, that can pose a security issue. Is ...
12
votes
3answers
2k views

How are mobile telephony networks like LTE and HSPA encrypted?

How are mobile telephony networks like LTE (4G) and HSPA (3G) encrypted? between what parts is the communication encrypted? who has access to the keys? is symmetric or asymmetric encryption used? is ...
2
votes
1answer
73 views

Is there a drawback for local log in compared to server log in?

For developing a mobile app, there is a choice of storing usernames and password data in the device itself, or in a server (user will be authenticated to a server). Other than possibly the user have ...
21
votes
1answer
1k views

Security implications of rooting your android phone

My android smart phone has fancy features that I can get if and only if I root it, e.g., free-wifi tethering or Cisco VPN (with group name/password). However, the procedure to root my phone has me ...
5
votes
3answers
429 views

Detect spy software on Symbian

I would like to check a Nokia N8 for possible software that might send any kind of data without my consent. Is there a specific tool to achieve this? Are there specific techniques?
12
votes
3answers
333 views

Android security without updates

I have an android phone which, like many others, has quickly become unsupported and is not receiving any updates. At the same time there are publicly available exploits for privilege-escalation ...
5
votes
3answers
412 views

Should we store meeting minutes on an iPad?

Being employed in the infosec field I would like to set a good example. However I also do not believe in sweating the small stuff and would like to maximize my productivity. My current workplace, ...
5
votes
3answers
604 views

Why would configuring a Blackberry to turn radio off when charging help with security?

A friend's work Blackberry is configured so that phone and Internet access are disabled while the device is charging. I assumed this was a fault, but apparently it's a deliberate security policy. Has ...
2
votes
2answers
429 views

How secure is Goodlink for mobile phones when compared to Activesync?

Some of our more technical users are arguing to use Activesync for their phones, while the corporate standard is limited to Blackberry and any device that supports Goodlink. One argument is the ...
4
votes
1answer
310 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 ...
12
votes
2answers
1k views

Protecting cellphones from USB attacks (a.k.a. Juice Jacking)

We have several smartphone with encrypted data on them (BES, iPhone, Android) and want to prevent an unauthorized person from downloading information from the device via USB. The visual assumption ...
3
votes
1answer
1k views

Scan for mobile phones?

I'd like to measure queuing time, similar to what they're doing in Finland. Instead of detecting bluetooth (which is disabled in most phones) I thought of detecting EDGE/3G. I'd like to log the ...
5
votes
2answers
497 views

Mobile phone security eavesdropping based on data transfer

is there an easy way for particular governmental organizations (especially in countries where freedom of speech is a problem) have some technology where they can easily eavesdrop on cellphone internet ...
6
votes
1answer
4k views

Mobile numbers capture and transmit data

will it be possible to build a low cost hardware/software device which can capture mobile numbers within a specified radius and then use that information to transmit an sms to those numbers? From what ...
1
vote
1answer
87 views

What function(s) to be used to generate Salt on Windows Mobile 6

I am looking for THE or a real function I can use to generate salt for my mobile app on Windows Mobile. In case I am not abusing in this request but in the future I plan as well the same app for ...