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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0
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1answer
49 views

REST API security mobile application with PIN

I am looking into writing an API that will be accessed by mobile devices (We also own the mobile application, there are no 3rd parties involved). As part of the login flow we have been instructed to ...
0
votes
0answers
10 views

How can I decrypt data stored using the android KeyChain API? [migrated]

I have an android application that stores secrets using the KeyChain API. I have root access, and I know all of the credentials for the device. I should theoretically be able to decrypt the files ...
16
votes
2answers
3k views

Ingress and Pokemon Go collect a lot of data - what impact could this have on my privacy or security?

The Augmented Reality games from Niantic, Ingress, (where players travel to specific GPS locations to destroy and rebuild virtual targets, link locations, and team up with other players in order to ...
18
votes
3answers
606 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 ...
0
votes
0answers
31 views

How do I decrypt Facebook's Messenger SSL traffic on Android?

I would like to investigate the Messenger chat protocol, and to do so i need to see it in clear... I've been able to successfully sniff the (not encrypted) traffic with the 'Shark for Root' but it ...
2
votes
1answer
27 views

Storage of account password on keychain iOS to enable TouchID login

Currently in the middle of a rather long-winded process of deciding upon the use of TouchID within an application being developed due, to security concerns, and wondered if anyone had any advice? The ...
0
votes
2answers
36 views

Does a malware in an android phone have permission to read/modify/delete data of all the apps?

If an android phone is infected with malware/virus, can it access all the apps with modify/delete/read permission? Isn't there any control by an app , say a bank app which can't allow to read data by ...
16
votes
4answers
30k 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 ...
10
votes
3answers
3k views

Suitable cipher for SMS encryption

I would like to create application for encrypting SMS messages. After long enough discussions I decided to use symmetric encryption, since handling public/private keys issue is too difficult for most ...
5
votes
2answers
314 views

Pokemon Go apk file contains malware

In some countries, the game isn't launched officially yet, but this is getting vastly popular as people are downloading from links containing Apk files. I suspect that it is possible that the file ...
5
votes
3answers
97 views

Why OWASP Top 10 (web application) hasn't changed since 2013 but Mobile Top 10 is as recent as 2016?

Latest edition of OWASP Top 10 for web application was in 2013 and for mobile applications, it is 2016. Why is it so? Can we say that the pattern in the web application vulnerabilities is settled? ...
14
votes
5answers
12k views

What SSL key should I make for IIS: RSA or DH? What bit length is appropriate?

I'm creating an SSL cert for my IIS server and need to know when I should choose the Microsoft RSA SChannel Cryptographic Provider or the Microsoft DH SChannel Cryptographic Provider. Question 1 Why ...
1
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1answer
69 views

Erasing Lastpass Preminum from mobile phone [duplicate]

This morning I dropped my LG G4 (android 6 Marshmallow) phone and shattered the display. I plan to buy a new shiny phone and sell the old one cheap. I use Lastpass Premium to to store all my ...
26
votes
5answers
4k 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 ...
3
votes
0answers
64 views

Is the iPhone vulnerable to the BadUSB malware?

Supposedly, the BadUSB malware can infect any USB device. But I find this hard to believe since I don't see why most USB devices would have reprogrammable firmware and I find it even harder to believe ...
2
votes
2answers
107 views

Can an iPhone be hacked during a phone call?

If I called someone can they hack into my iPhone just by being on the phone with me and knowing my phone number? I was also transferred to another person during the phone call, if that would make a ...
1
vote
3answers
124 views

Can my phone be located (e.g. by emergency personnel) when I use a VPN?

I have actually been learning on my own just by reading about VPN and how to protect myself from Big Brother so to speak. I just happened to discover that if I turn off my location option on my cell ...
0
votes
0answers
28 views

Security code review Apple Swift - tools and documentation

I need to perform a security code review on a huge Swift application. I have done many mobile penetration tests before and some code review but never on iOS Swift Apps. I am primarily looking for ...
1
vote
1answer
70 views

What things can the other person see about my phone when I pair it using bluetooth?

I need to know some correct information about bluetooth pairing technology. What are the things which becomes visible to the person about my phone when I'm using bluetooth from my phone and pairing it ...
-1
votes
1answer
72 views

How risky is it to disclose your IMEI number? [duplicate]

What will happen if I have mistakenly given my Android phone IMEI number to my IT colleague at my work place? How risky is it? I have asked him to delete my IMEI number. How can I be sure that he is ...
15
votes
1answer
449 views

What unique device fingerprinting information can an iOS8 app collect?

As an addition 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
1answer
47 views

Employee privacy when using company iPhone on own Wi-Fi

If I use a company iPhone on my own home Wi-Fi, does the employer still have visibility on activity? If so, how much assuming there are no hidden keylogging programs.
6
votes
2answers
452 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 ...
6
votes
1answer
844 views

How to protect from caller-id spoofing?

Yesterday, I listened about caller-id spoofing and was left astonished as its misuse can result in severe consequences for victim. Please tell me how to protect myself from this prank and is there ...
11
votes
2answers
2k views

Firewall on smartphones

PCs communicate with the help of ports,eg. HTTP communication takes place over port 80. Due to the nature of these ports, an open port is an avenue for an attack. That's where firewalls come in. The ...
0
votes
1answer
39 views

Remote Biometric Authentication using mobile phones

As Google endeavours to do away with passwords, biometrics authentication as a method of proving identity has gained popularity. Logging into a system using a fingerprint or other biometric data would ...
5
votes
2answers
113 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 ...
0
votes
2answers
119 views

Threatening text messages on my cell phone, 120 in one day but no phone number for sender, how do I get this info?

Threatening text messages on my cell phone, 120 in one day, but no phone number for the sender, how do I get this info? I think they were sent via home pc. What type of wording, code, etc. should I ...
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vote
2answers
93 views

Can masked passwords on iOS UIs be read?

If someone had physical access to my iPhone, could they see the stored passwords for my WiFi or email that are represented as black circles and not actually the password itself, e.g. under my mail ...
3
votes
2answers
357 views

My friend was fired from her job. Overnight, on her personal phone all her work contacts mysteriously disappeared

As the title stated. My friend personal email is connected to her personal phone. She works on the iPad and her work iPad is connected to her work email. She never checked her personal email on her ...
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votes
1answer
58 views

Secure PIN verification if HTTPS is decryptable by third party

I'm developing a system where mobile applications communicate with server through HTTPS. The communication consists of two phases: at first, app "registers" at server: among other stuff, user chooses ...
3
votes
2answers
129 views

What are the privacy and infosec risks with Apple Watches and Android Wear?

From what I can tell, Apple Watch apps act like a remote control to a nearby iPhone using Bluetooth or BLE. Conversely Android watches have the ability to run full applications, and therefore have ...
1
vote
1answer
36 views

Is it possible to filter internet access on a mobile phone with a 3/4G connection with a proxy server?

If you were to put a pfSense Squid Proxy Server with Squid Guardian on a DMZ and then point a cellphone with a 3/4G connection at it for SSL and HTTP with a self-signed CA certificate installed on it; ...
4
votes
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 ...
5
votes
1answer
147 views

What does Obama's phone say about Android and phone hardware?

The recent article Goodbye Obamaberry, hello Obamadroid describes the decision to move Obama's phone from the Blackberry to the Samsung Galaxy S4. The Galaxy 4S is of course an old, foreign phone. ...
2
votes
1answer
83 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
2answers
972 views

How to securely store sensitive data on mobile application?

I want to develop a mobile bank app (Windows Phone, Android, iOS) that interact with a bank channel. First time when user opens application the key exchange process begins and at end of this process ...
3
votes
1answer
2k views

How do you erase a Blackberry without having direct access to the server?

I have a Blackberry with no access to the BIS or BES server that managed it. How does one erase and reset the device to defaults?
7
votes
3answers
13k views

Can my phone be hacked just by being called?

I recently found a site, Cell-Spy-Stealth.com, that claims to sell spyware which can be targeted on a phone by simply making a call to it: "It will work even if you get the voice mail, or if the ...
0
votes
0answers
30 views

Encrypt data on mobile device by retrieving keys from server using PIN

I need to securely encrypt persistent data on a mobile device, hiding it from hacking tools. What vulnerabilities are there in this method? Encryption: user sets 4 digit PIN to "protect" data on ...
6
votes
1answer
173 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, etc)...
2
votes
2answers
76 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, ...
6
votes
2answers
146 views

Why should you clear your pasteboard when exiting your app?

I've been scanning an iOS application of mine and the highest risk vulnerability appears to be that the pasteboard is not getting cleared when I terminate the application. I don't want the user to ...
0
votes
3answers
239 views

Decrypting SSL over a mobile network

I work for a large company and we are trying to judge the safety of some proprietary information that is being sent and received in a new application we are developing. After our initial testing we ...
4
votes
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 ...
0
votes
1answer
93 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 ...
4
votes
2answers
91 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 ...
31
votes
7answers
4k views

Best practices for securing an android device

Does anyone have any suggestions on securing an Android device? I'm not particularly interested in enterprise level software - I'm looking to secure my own ZTE Blade phone which has a lot of personal ...
6
votes
1answer
4k views

IMEI and phone number given to unknown sources. What are the risks?

The facts: A friend put his phone number (and possibly the IMEI) for his android device into some kind of hacking PC software that promised to (and actually did) extend his Whatsapp account that was ...
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votes
2answers
78 views

How is two step authentication done in Europe without SMS?

I've heard that SMS use in Europe isn't even close to how much it's used in the US. How do they do two step authentication when a user forgets their password? Is it as simple as just using a robocall ...