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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Can a Smart Card be used to encrypt a secret? If not, what tamper proof hardware is acceptable?

This question was downvoted saying that smart cards are supposed to exclusively be used for authentication, and not encryption. In my threat model/use case, I'm concerned about Juice Jacking, ...
3
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1answer
121 views

REST API stateless authentication using social login

I am implementing a REST API for our mobile applications in which user will login using the SDKs of various social media. Currently, the login strategy is as follows: The token(s) (access_token in ...
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0answers
23 views

Does Activesync certificate authentication replace a password, or act as 2 factor?

I am looking at Activesync authentication and want to know if Certificate Authentication ignores a client username and password or Certificate Authentication requires a username and password ...
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1answer
24 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 ...
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3answers
4k views

Smartphone / GSM Sniffer

This question would be in the category of SmartPhone Sniffers. So we have sniffers that can show the packets that are being sent across a wired or wireless (802.11) network. I am just performing a ...
3
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1answer
32 views

Securing 2 factor data from apps that are co-located on the same device?

Several apps such as GMail, Coinbase, Yahoo and others require the use of the mobile device to gain access to the data within the app. For example Gmail requires TOTP in Google Authenticator ...
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1answer
22 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 ...
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2answers
1k views

Caller ID Spoof and Text Spams – How do they work?

A lot of people will have at some point received a spam text offering some sort of help via a debt settlement order, or help claiming for an accident that they have never had. I’ve noticed these are ...
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1answer
383 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 ...
5
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3answers
783 views

3G Femtocell at home: can anybody connect, and is all traffic encrypted?

At our office we have bad reception for 3G. We bought a Femtocell device that provides a 3G connection for one specific mobile provider. This device is connected to our network via ethernet. I cannot ...
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1answer
128 views

Mobile, WebServices and SSL

I just started dipping my feet into security and SSL. I looked at various videos to try and understand how the magic happens and I have the general idea now, but most of them deal with it taking the ...
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2answers
97 views

How to secure Epson Beamer?

I work in a school and we have several Epson Beamers but some of our students have download an application for their mobile (with infra-red and WiFi connection) and they now have remote control and ...
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1answer
29 views

From a deployment and OPS perspective, should a S/MIME signing and encryption key have different expiration dates?

Assuming the client supports different keys, what is some rationale that should be considered for signing and encryption keys? The encryption key needs to be present on each device that is used to ...
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1answer
114 views

User Authentication for a public website in 2015 [closed]

I am creating a new website for online shopping in .net and was wondering if i have another option beside Forms authentication to validate the users in a safe and secure way (this has been around for ...
0
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1answer
36 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
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1answer
26 views

Possible for Lync clients 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, ...
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1answer
22 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 ...
3
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1answer
57 views

Why do mobile operating systems not implement a way to deny permissions to an app?

Android and iOS (afaik) implement a relativly fine-grained permission schema for their apps. But as I user I only have the change to acceppt all or nothing. When I think about it, it shouldn't be a ...
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7answers
4k views

Why do mobile apps have fine-grained permissions while desktop apps don't? [duplicate]

Androids apps use fine-grained permissions for security reasons, iOS apps (afaik) do it as well. Windows 8.1 applications don't have a permission schema like that, all Linux versions which I have ...
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0answers
164 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 ...
4
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3answers
375 views

What are the best practices for maintaining privacy on a non-jailbroken iOS device?

iOS, like most other mobile OSs, has the potential to leak significant chunks of personal information to 3rd-party apps and to ad and tracking networks used by those apps, which in turn also has the ...
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3answers
4k 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?
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3answers
10k views

How secure is Android's facial recognition?

Android supports using facial recognition for unlocking your phone. How secure is that mechanism? For instance, if someone has a good quality picture of your face, can they defeat the facial ...
2
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1answer
96 views

Methods to defend against rogue (mobile clients)

I'm currently building a MVP (financial mobile app) and trying to understand the best ways to prevent rogue clients interacting with the server. When looking at the security of most mobile apps I can ...
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3answers
246 views

How to intercept and analyze mobile SSL application traffic?

What is the best way to analyze requests sent by a mobile application over SSL? The communication protocol is not necessarily HTTP/S so intercepting them with BURP/ZAP/Fiddler or any other HTTP proxy ...
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1answer
59 views

Security tradeoffs while designing a mobile Web Service API

I'm not a security expert but I want to ask about tradeoffs in a web service API I'm designing for mobile apps. It is an API which tracks users' locations so yes, the data is reasonably sensitive. ...
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2answers
131 views

Mobile App Security vs. Traditional PC Desktop Security In The New Era

I have been using a Windows PC for many years now. Since Android has come to market, I have been very wary of installing apps that require unrelated permissions. Obvoiusly, these extra permissions ...
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0answers
20 views

3GPP Generic Bootstrapping Architecture and IoT/M2M

Is the 3GPP GBA actually in use in some concrete IoT/M2M big deployments? Apparently the OneM2M specs TS-0003-Security_Solutions include GBA in the security stack for M2M and IoT: what do you think it ...
13
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2answers
36k views

Is it possible to make a phone call appear to come from another phone, even to the network provider?

Quick Question Is it possible that I could call a mobile number, but have the call forwarded through another number active on a different phone that someone else has? I have had unlimited access to ...
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0answers
25 views

How can I view the Chrome padlock SSL certificate information in Chrome Mobile on Android? [migrated]

When I'm on my Desktop Chrome, I can click on the padlock icon in the address bar and see the information about my SSL connection, like the TLS version, the certificate strength, the authority that ...
3
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3answers
2k views

Do telecom operators listen to every phone calls

I usually don't answer unknown numbers. Few days back i got couple of calls from unknown numbers and i didn't answer it. That evening i had contacted one of my lady friend and the next day i got a ...
4
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2answers
120 views

Difference/Relationship between data leakage analysis and vulnerability analysis?

What is the difference/relationship between data leakage analysis and vulnerability analysis? How much and what kind of vulnerability testing is required for data leakage analysis? I have to give ...
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0answers
14 views

Did anyone encounter a problem with ssl certificate from network solutions on mobile device? [migrated]

We have a mobile app that calls Web Service on our server. We are planning to setup ssl on the server and going to buy a wildcard certificate from network solutions. Wildcard certificate from Network ...
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1answer
91 views

OTP for syncing mobile device

Scenario: a web app with two-factor authentication using username/password and hardware OTP. Once logged into the app, one of the app modules should be used in a tablet or any mobile device without a ...
91
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9answers
52k views

Why can we still crack snapchat photos in 12 lines of Ruby?

Just came across this bit of ruby that can be used to decrypt snapchat photos taken out of the cache on a phone, apparently adapted from here. To my surprise, it worked no problem, considering the ...
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1answer
202 views

How to secure my REST API once user authenticates with Google on mobile client?

In my application, I build REST APIs so that user can interact with my application server. Since I do not want to maintain User/Passwords, my iOS app authenticates client using Google. This all ...
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1answer
332 views

Is it safe to store public key encrypted password in the Mobile Device for authentication purposes?

I have a Apache Cordova hybrid mobile app that needs to authenticate users, but we don't want to prompt for credentials every time the app is used. Some options came to my mind: Store the password ...
0
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1answer
50 views

Is there any secure way to transfer data between mobile phones without Internet? [closed]

Assume that I don't have any Internet access in my country. The only thing that I have is a mobile phone with a 3G or 4G SIM card inside. The mobile operator didn't provide any Internet access also. ...
3
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1answer
227 views

SIM card - Cryptography

I would like to have general infos about crypto and commom SIM card in mobile phone(I know there may be different implementations, technos according to the operator...). Is crypto used only for ...
2
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0answers
30 views

Why would my SSO information be cached on my iphone?

I develop a lot of internal applications/websites for my work using our standard SSO. It uses SAML2 and has a few different levels of security available. We have vendor who is using it for one of ...
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2answers
6k views

Why don't mobile operators blacklist stolen phones using their IMEI?

I've just read this piece of news that Android and Windows phones will get a 'killswitch', rendering them useless to potential thieves. However, since all devices have a unique identification number ...
1
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2answers
99 views

intentionally vulnerable virtualbox or vmware appliances for practicing mobile pentest? [closed]

Is there any virtualbox or vmware appliances or anything like metasploitable that one can use to practice mobile pentest without the real hardware? I can find those for traditional ethernet but what ...
0
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3answers
91 views

Two factor authentication(Mobile)

Consider such two factor authentication on web site: say when user enters username/password on web site - and receives SMS on mobile phone number. For attacker to access this he must know your ...
0
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1answer
42 views

MDM: Semi-Complex Password Implications [duplicate]

What would be the security implications if an organisation decided to impliment semi-complex passwords (one letter and one letter), and not fully complex. I'm thinking in terms of mobile devices and ...
0
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1answer
37 views

Does Linux and Mac OSX have built-in Credential/Password Managers with API access? [closed]

Does Linux and Mac OSX have built-in Credential/Password Managers with API access like Windows has with its CredMan (CredWrite, etc). It would be preferrable if they could be used without the need to ...
0
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1answer
58 views

Default Encryption - A Panacea or Placebo

I wrote this on LinkedIn - Discrete Discretion My first question is: Is it accurate to say that default encryption is a placebo? Will default decryption only make end-users think they are secure ...
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1answer
60 views

What makes an SMS gateway insecure?

Is it specifically something about SMS protocol, the proprietary software used to do message routing, or perhaps an ACL on the server? I would imagine that a gateway accepting emails from anywhere ...
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3answers
1k views

Android/iOS application security testing checklist

According to OWASP, we have a list of top ten mobile application vulnerabilities. But we are damn sure that the number of vulnerabilities on mobile apps, especially android apps are far more than ...
3
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1answer
95 views

Can sms-only authentication be safe?

many Android mobile applications (e.g., Whatsapp, Telegram), when used for the first time on a device, "authenticate" users by sending them a secret code in a SMS message. The same mechanism is used ...
8
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1answer
1k views

If I know a currently working exploit to spoof SMS on a major carrier, what should I do? [closed]

This currently works on all iPhones and one known android phone as of today, a formal complaint has been filed with the carrier and the FCC. I doubt they will do anything about it though since this is ...