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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24
votes
3answers
3k views

Is HTML5 vibrate feature a security vulnerability?

While surfing a news website on my mobile, I receive a virus infection alert warning that triggers my phone to vibrate incessantly. The alert looks like the following: I didn't expect my phone to ...
2
votes
1answer
58 views

Two factor authentication: SMS/TOTP, but what if you only use your phone

I found a code by SMS or TOTP on a phone as a second factor of authentication to be a good solution for when you're using your computer to login to a website. Most people have a phone which can either ...
4
votes
1answer
213 views

Security of Yahoo's new authentication: On-demand password

Yahoo is trying to remove passwords from authentication and use on-demand password authentication system instead. I wonder how this new system will be secure? Even if somebody steal your mobile can ...
1
vote
0answers
32 views

Is it possible to secure an Android Intent from other calls from apps?

I'm looking at the architecture of Android and want to come up with a service that allows for multiple applications (3rd party) to call a local android service and fetch data. Think of this as a ...
2
votes
0answers
69 views

Rootkits, Bootkits detection and protection and Firmware alteration

I was hacked in an extremely intrusive manner in late 2013. Ever since then, not a day has passed where I don't think about this. A lot. My question has to do with the likelihood of the attackers ...
2
votes
1answer
42 views

Are there any examples of when personal email data can be brought into a lawsuit involving a corporation?

If users bring their own device (BYOD) and they have corporate Exchange (or Goodlink email) on that device, could the other email accounts on that device be open to a legal search? Would the SMS ...
-3
votes
2answers
60 views

Can your phone be traced without your SIM card for Android? [duplicate]

I'm just wondering I'm not a criminal but a friend is also wondering and Idk.
4
votes
2answers
81 views

Email for the second factor in 2FA systems

the scenario is in a corporate environment and not connected to internet. The other day I was arguing with my colleague on whether email is good enough to be the second factor in a 2FA system. My ...
2
votes
3answers
101 views

How to protect against rogue Base Stations? [closed]

I just read the answer to the question here and it sounds surprisingly simple for calls/SMS (and data?) to be intercepted by a fake base station. From what I understand, if you were to walk past ...
-1
votes
2answers
67 views

Can the payer of my cell bill listen to my calls? [closed]

I am not an IT person so I'd need a simply-worded answer. I'm considering getting a smart phone, and someone else would be paying the bill, someone I don't necessarily trust. I'd like to know: would ...
1
vote
1answer
40 views

Signup/Signin with Mobile+PIN

Telegram implements signup/signin with mobile number and a 5-digit one-time password. I believe the flow to be something along the lines of this: Grab the mobile number, generate an OTP, cache it ...
2
votes
1answer
77 views

Is it possible for someone else to add a photo to text messages I am sending? [closed]

Is it possible for someone else to intercept a text message I am sending and add a photo to that message? I recently answered a text message I received from a friend and half way through typing out ...
1
vote
1answer
41 views

Tablet antitampering [closed]

We'll be distributing tablets for some group of employees. Enterprise applications will be installed and IT has been tasked with protecting them against users messing with these new toys (i.e ...
1
vote
1answer
444 views

What happens if an attacker steals my phone's IMEI number?

I have some questions regarding IMEI numbers and data and identity theft. While searching online I have found many conflicting answers regarding this topic and would like some clarification if ...
0
votes
0answers
47 views

Alternative to ECC for mobile security

I asked a question a couple of months back, which led me to ECC. The following question is in continuation: Current Setup: I've two devices A and B which need to interact with each other securely ...
0
votes
0answers
26 views

SSO implementation in a mobile application

We are currently in the process of implementing SSO for one of our enterprise client in our mobile application. To make it more user friendly we were considering the idea of adding a new endpoint to ...
0
votes
1answer
192 views

Is my JWT refresh plan secure?

I plan on using JWT for my login system for mobile devices. There is no real standard workflow for refreshing JWT tokens I could find so I created this one below. The reason I want to use JWT is for ...
3
votes
2answers
131 views

Are phone apps vulnerable to XSS or CSRF? (Webview, Phonegap, chrometab)

I need to provide evidence that CSRF or XSS is possible on a phone... using PhoneGap, a Webview, or specifically a "Chrome Tab" or iOS equivalent. I believe in theory this is possible, and mitigation ...
2
votes
2answers
71 views

Enabling feature to log in as soon as right password is typed (without pressing enter)

My phone has an option for the PIN lock screen to unlock it as soon as the correct number is entered (without pressing enter). So for example if the password is 77912 then you only have to enter 77912 ...
1
vote
2answers
58 views

Can a mobile operator assign traffic to every SIM card in their network?

When using 3G or 4G internet on my phone, is this running over the SIM card or is this similar to WLAN traffic? Can a mobile network provider assign my mobile internet traffic to my phone by either ...
1
vote
1answer
130 views

Difference between Kali Linux and Santoku Linux

I would like to know, before I will install Santoku, what are the differences between Kali Linux and Santoku Linux? I know that Santoku is dedicated to mobile security testing, but Kali has some tools ...
1
vote
0answers
62 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 ...
1
vote
1answer
89 views

Authentication, authorization in native mobile clients (Android)

I am developing native mobile client for store that requires user authentication in order to make purchases available. I have my web store page, authentication is provided by CMS (OpenCart). Now I ...
0
votes
1answer
48 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 ...
3
votes
1answer
104 views

How easy is it for hackers to gain unauthorized access to resources on an Android phone?

I caught a segment of an NBC news story describing how hackers can access messages, phone conversations, location, camera, microphone, and more provided that they can install a malicious app on your ...
1
vote
1answer
77 views

How does Memory Corruption apply to Android?

I have researched several DoS attacks within Android e.g.: CVE-2015-1474 CVE-2013-5933 CVE-2013-4710 CVE-2012-6301 etc. And although I found DoS attacks within Android difficult to understand at ...
0
votes
1answer
88 views

What factors make Android app code vulnerable to Cross-Site Request Forgery attacks?

According to techtarget.com Cross-Site Request Forgery is: a method of attacking a Web site in which an intruder masquerades as a legitimate and trusted user. An XSRF attack can be used to ...
-1
votes
1answer
135 views

What makes an Android application vulnerable to Directory Traversal?

Definition of Directory Traversal Directory traversal is a form of HTTP exploit in which a hacker uses the software on a Web server to access data in a directory other than the server's root ...
-1
votes
1answer
209 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
221 views

What makes an Android application vulnerable to SQL Injection?

Definition of SQL Injection SQL injection is a code injection technique, used to attack data-driven applications, in which malicious SQL statements are inserted into an entry field for execution ...
5
votes
2answers
456 views

How can the Android GraphicBuffer::unflatten() vulnerability (CVE-2015-1474) be exploited remotely?

I've been reading up-on DoS (denial-of-service) attacks within android and although I understand attacks like the below, which make use of regular programming functions etc. (Android Web Browser) ...
1
vote
0answers
50 views

Possible to use Cellular encryption data to validate Geolocation?

I need offline-verifiable, time stamped, GPS signals or its equivalent. Since cellular protocols include time stamps, encryption keys and other data, perhaps it's possible to re-use this ...
5
votes
1answer
59 views

Can a mobile phone be induced to fall back to 2G comms?

http://techcrunch.com/2015/02/25/gemalto-2/ So, a bunch of SIM card keys were most likely stolen, but Gemalto claims that this would only affect 2G networks. Supposing all that is true, it's still ...
1
vote
3answers
108 views

Prevent MITM between custom phone app and local server

We're building a Wifi enabled device. The device will be installed locally on each client's office and people in the the small office will connect to this Wifi enabled device, They will send/receive ...
3
votes
1answer
71 views

Mobile authentication with password as param in get request over ssl

I'm building out a new services layer for an existing mobile application. The mobile application authenticates with the existing services layer by providing the user name and password as url params in ...
1
vote
2answers
123 views

Sniffer attack on mobile

I have Nokia lumia 625. And a guy hacked it using sniffer. That's how much I know about it. He has access to all my online texts(eg. Whatsapp, messenger etc) . and also to offline carrier text ...
0
votes
2answers
128 views

Understanding Certificate Pinning [duplicate]

I am attempting to implement certificate pinning across a suite of mobile apps. I have been reading a lot about the different strategies (pinning to the CA/intermediate, pinning to a leaf cert, ...
3
votes
4answers
159 views

Securing Data at Rest in Android

Here's a situation. I am the author of an app that allows my customers to stream videos on their local android device. I also allow them to download the video and store it locally on their android ...
2
votes
0answers
55 views

I need a secure laptop tethered to a mobile internet connection. [closed]

I invent things. Think energy, IT security algorithms, etc. I'm actively targeted for information breaches by the largest corporations on the planet. All paranoia aside... I'd like a secure ...
2
votes
1answer
37 views

Is this system of authentication secure for a mobile app? What can I do to improve it?

Users authenticate with their phone number, get a pin text, and if it is correct, they get an access token. Store the access token in a DB in a Token model. The client always sends the access token in ...
2
votes
0answers
49 views

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

From what I can tell, I 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 ...
2
votes
1answer
101 views

Reading encrypted data before sent to remote server

I'm developing a mobile app (Android only for now) to provide a disposable e-mail service to users. Users will be given temporary e-mail addresses so they can receive and read e-mails for a certain ...
2
votes
1answer
633 views

IP address, iphone, Snapchat

My child is being accused of doing some improper things via Snapchat, but he swears that he did not do anything, and he is the type of person who probably would not. The only thing the police are ...
6
votes
2answers
207 views

Are SIM proactive commands secure?

A SIM card can initiate some communication with a mobile device with so called "proactive commands" (chapter 6 of http://www.etsi.org/deliver/etsi_gts/11/1114/05.04.00_60/gsmts_1114v050400p.pdf). ...
2
votes
2answers
300 views

In theory, can a restricted-use ToR network be created with “Verifiable Encryption”? How should I approach learning it?

I have mobile devices (low power, low bandwidth) need to act as a proxy for certain types of P2P encrypted data, such as voting, bitcoin payment, or other specific-purpose usage, and I want to make ...
0
votes
1answer
104 views

Audio not playing on Android (Kitkat 4.4.2 on LG G Pro 2 D838) via HTTPS [closed]

I am having issues playing an audio file on the chrome browser! This audio file plays on the chrome browser on my mobile LG G Pro-2(D838) running Kitkat 4.4.2 without any issues. But when i uploaded ...
0
votes
1answer
53 views

how does mdm (mobile device management ) work in byod environment to control the camera?

what i want to know is how mdm (mobile device management ) works in byod environment to control the camera from clicking pictures of a printed document?is there a way other than to shut off the ...
6
votes
1answer
540 views

How to protect from caller-id spoofing?

Yesterday, I listened about caller-id spoofing and was left astonished as it's misuse can result in severe consequences for victim. Please tell me how to protect myself from this prank and is there ...
0
votes
1answer
48 views

Can standalone malware survive on current mobile devices? [closed]

Can malware run on mobile devices? I don't see how it would be able to (given that those devices have fine-grained permissions and sandboxing). Unlike on a desktop OS, malware cannot access registry ...
1
vote
1answer
125 views

Is CloudKit or iCloud suitable for storing PII?

iCloud is Apple's storage technology that copies data from one iPhone and shares it with every other device. CloudKit is a similar technology that allows (from what I can tell) the partial ...