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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2answers
56 views

Apple's OTA update process

When reading the iOS security doc, on page 6, it discusses the OTA update process. The OTA process, includes sending information of current version and device ID to Apple. Inside the OTA response, ...
9
votes
4answers
1k views

How to track a laptop after theft?

Our company had a break-in this evening and a laptop was stolen. The data on the laptop was not super-sensitive (luckily); however, we would like to be able to track the laptop if at all possible. ...
3
votes
2answers
327 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 ...
0
votes
1answer
68 views

Securing Internal Mobile REST API

I am planning to create an internal API for mobile devices for a company. They are planning to use this internal mobile app to get data from custom ERP, uploading contract, etc. Thus, it will be ...
3
votes
2answers
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 ...
0
votes
1answer
30 views

Are there any tools that you recommend for mobile app security testing? [on hold]

I’ve had experience with HPFortify, Veracode, and Checkmarx, however, I’m looking for something that will integrate with our CI, is fast enough to keep up with agile practices, and won’t make the CFO ...
29
votes
3answers
12k views

Why do I need to hide my phone's IMEI

If it is a secret then why is it visible on the box, invoice and the back of the phone? If it is not a secret then why does it have to be blurred when it gets posted online?
3
votes
1answer
58 views

Is there value in slowing down retries on a fingerprint lock?

My phone has a fingerprint lock and it sometimes fails to identify my fingerprint (for example, if it wasn't positioned correctly). If I fail fingerprint identification 5 times in a row, I'm locked ...
205
votes
14answers
9k views

Tracing the location of a mobile IP from an email

I'm a TV scriptwriter - and not hugely tech-savvy, so please bear with me... If the police have an email, sent by a suspect over a 3G or 4G network, could they use the IP address (since they know ...
2
votes
2answers
175 views

How to test image upload vulnerability in a mobile application?

I am administering a mobile application with many users. Users can upload their own .jpg images. I cannot know at this moment if image inputs on the application I am administrating are sanitized or ...
1
vote
0answers
35 views

What is the iOS securecoding feature, and what risks does it mitigate?

iOS 6 and newer allows for developers to implement a secure coding method that seems to prevent impostor objects from being de-serialized Can anyone explain what this would actually protect to the ...
-4
votes
0answers
36 views

How can secure passwords stored in password managers be entered on mobile apps?

People who know the most about computer security suggest using password managers to log into websites. This allows people to have a different secure password for every website they use. Most of these ...
0
votes
1answer
54 views

Does WhatsApp use certificate pinning?

Does WhatsApp use certificate pinning? I found a post by Preatorian Security from February 2014 that points the lack of certificate pinning as a major security problem, and mentions: Update ...
1
vote
0answers
58 views

Why is Telegram much more popular than Signal, which is, according to everything I've read, more secure? [closed]

I'm disregarding apps such as WhatsApp and Viber, because I assume majority of their users aren't particularly concerned about privacy, so it's not surprising they have more users. But how is it ...
5
votes
1answer
312 views

Hacking/Sniffing/recording GSM like Karsten Nohl

For a course at college, I wanted to reproduce the attack on GSM shown in this video by Karsten Nohl: https://www.youtube.com/watch?v=0hjn-BP8nro. From what I understand he used an USRP radio to ...
1
vote
1answer
35 views

Android keystore passwords leaked

We develop Android applications and by mistake following strings were sent within custom Android project folder to several clients: keyAlias keyPassword storePassword The .keystore file itself was ...
6
votes
2answers
405 views

Prevent phishing attacks through abuse of IOS URL scheme

I am building an IOS application that will have the following flow: A user completes registration from the web. Upon completion of registration, a link is sent to his email. Once the link is clicked ...
5
votes
2answers
92 views

How could mobile developers prevent bypassing certificate pinning with tools such as SSL Kill Switch?

I used SSL Kill Switch on some iOS mobile applications to try to bypass certificate pinning and I was successful. I understand that SSL Kill Switch "kills" the certificate validation process on the ...
5
votes
1answer
97 views

Secure sensitive information sent from Server to mobile App

Okay, I have a rails backend server which is pretty much just a database server. The database contains information about different types of a substance, and that substance's confidential inherent ...
2
votes
0answers
44 views

Why more Android applications (compared to iOS) use certificate pinning? [closed]

I used mitmproxy to test the same 50 apps on iOS and Android and noticed that more than 50% of the Android applications compared to 23% of iOS, used certificate pinning. Is there any explanation as ...
1
vote
1answer
22 views

Why mobile applications share device characteristics with third parties?

It is known that mobile applications can share with third parties many different types of data from information about the device to search terms used in the application. I understand that search ...
0
votes
1answer
78 views

Doesn't this make 2FA irrelevant and possibly dangerous?

Article. One sentence summary: they use a smartphone as a listening device to compromise computer security. I know our bank doesn't allow us to take cell phones in at all, even if they're completely ...
0
votes
0answers
5 views

Mobile Security and Vulnerability Analysis tool [migrated]

What tools should I use to test the security of my iOS application? What are the open source tools available to make vulnerability assessment of an iOS and android application? Any online tool which ...
2
votes
1answer
64 views

Is it possible to know imei number of other mobile using any sort of wireless technology?

Are there methods to grab imei numbers of mobiles irrespective of smart or ordinary using Bluetooth or similar wireless technologies. Case : other mobile may not have Bluetooth or possibly switched ...
3
votes
1answer
75 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 ...
6
votes
1answer
166 views

Possible for Lync (Skype for Business) to adopt Activesync-style policies?

My compliance manager recently told me that Lync IMs should be treated as e-mail for compliance purposes. This also made me realize that our other email policies (encrypted device, pin required, ...
1
vote
0answers
27 views

Are there any Android device dumps available to be used as datasets?

I'm interested in finding Android device data dumps so as to use in my PhD research, concerning data analysis. I have only been able to encounter two sources online; one of them unavailable at the ...
26
votes
5answers
3k views

How can I choose a strong password that is easy use on a smartphone?

Typing on a smartphone is tedious. Special characters are the hardest; lowercase letters are generally the easiest. But even a long all-letter passphrase like "correct horse battery staple" is ...
0
votes
0answers
70 views

For multiple clients it's better symmetric or assymetric encryption?

I'm a newbie in the encryption world so I'm here for asking which is the best solution between Symmetric and Asymmetric encryption. In our use cases, we have multiple clients that must be ...
6
votes
3answers
7k 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
1answer
92 views

Does non-persistent data ever need to be encrypted?

Does non-persistent data ever need to be encrypted? If I had a project with confidential data stored in non-persistent class variables should I be doing anything to protect this data? I am developing ...
4
votes
2answers
78 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 ...
6
votes
1answer
125 views

What tools are needed to view or detect covert messages in a 60 fps video?

The eye can't detect changes in a frame greater than 60 FPS. Similar to this scene in Fight Club, a QR code equivalent is used in pairing the Apple Watch with the iPhone Without knowing that the ...
0
votes
0answers
29 views

Does Apple CloudKit prevent 3rd party apps from MITM'ing the API?

One of the issues with SnapChat is that some users were using unauthorized apps to access the backend API, which then allowed for some application level security to be compromised. I am of the ...
5
votes
1answer
520 views

Can mobile network operators read WhatsApp metadata?

After turning on end-to-end encryption for WhatsApp is it possible for the network operators to read the metadata of the messages being exchanged? I see here (in Transport security) that metadata ...
18
votes
1answer
2k views

How does end to end encryption work with whatsapp web?

Since today I have noticed whatsapp is using end to end encryption. However web.whatsapp.com is also still working. Does whatsapp establish a connection with my phone to keep things secure?
3
votes
4answers
129 views

Is a users mobile number available to a web service?

The reason I am asking this question is that I just noticed 6 lots of £1.25 charges on my mobile phone bill. I called up the phone company and they said that they are charges from a company called ...
0
votes
1answer
1k views

What makes an Android application vulnerable to Cross-site scripting (XSS)?

Definition of XSS If you search the web, there are many different ways to define a cross site scripting attack. Simply put, XSS vulnerabilities occur when a malicious attacker is permitted to inject ...
0
votes
2answers
56 views

Best way to keep cell day to day phone calls private - is VOIP better?

This question is about preventing eavesdropping by hackers, thieves, or other smart people collecting information for shady purposes. Is it better to buy a smartphone and install a VOIP service on it ...
4
votes
2answers
89 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 ...
1
vote
1answer
54 views

Internet of things is what exactly? [closed]

I have found that the term IOT (internet of things) is pretty vague. I am wondering if a mobile device, a cell phone, is this considered a part of the IOT realm? It is a thing, and its connected to ...
1
vote
4answers
107 views

How sensitive are mobile telephone numbers?

A question that came to my mind. How sensitive are they really? I mean basically all you can do with them is stalking you with hiding caller ID find out which provider gave out the number but not ...
2
votes
2answers
197 views

How would iOS or Android app “firewall” for extended permissions (location, etc) work?

I'm interested in blocking or reporting any application's usage of extended permissions, regardless if they are granted those rights, such as: GPS / Location / Wifi Radio signal data Telemetry My ...
5
votes
1answer
2k views

What is “NAND mirroring”, the alleged technique that the FBI will use to crack the San Bernardino shooter's iPhone?

According to Ars Technica, Jonathan Zdziarski, a leading independent Apple iOS security researcher and forensics expert, has a theory about the FBI's newly discovered potential route into the ...
-2
votes
1answer
65 views

Regarding Mobile Application Penetration Testing

I am new in mobile application penetration testing. Just curious to know, whether we need to perform the penetration testing on rooted devices or non rooted devices. Why and why not? I have searched ...
1
vote
3answers
332 views

Security risk of connecting one mobile device to another mobile device's hotspot

Is there any risk when connecting an Android Phone to a [Verizon] iPhone's Hotspot? If there are I'd like to know about solutions. The Android Phone will basically be tapping the data plan of the ...
1
vote
1answer
57 views

COPE vs. BYOD - as an employee why should I be interested in BYOD? [closed]

I am curios what is the motivation for employees to go with BYOD? As an employee why I should want to allow installation of MDM solution on my smartphone?
0
votes
2answers
257 views

Why does Telegram not use end-to-end encryption? [closed]

Signal and Telegram are both mobile applications that "try" to ensure secure chats. Signal uses end-to-end encryption, Telegram does this as well (in 'secret chats') but it does not use end-to-end ...
0
votes
2answers
77 views

Is there a way to uniquely identify a mobile device through packet sniffing?

I need to uniquely identify a mobile device using the "ping" packets that it transmits to cellular towers regularly, in an area of interest by installing a packet sniffer at that location? I only need ...
3
votes
0answers
78 views

How to safely store the most recently used encryption password for subsequent reuse in an app?

Let's say I have a mobile app that can save photos inside password-protected AES-128 encrypted PDF files. For convenience, I want the user to be able to encrypt a file using the previously-used ...