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
59 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
votes
1answer
254 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
votes
0answers
31 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 ...
0
votes
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
vote
2answers
127 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
votes
3answers
93 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
votes
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
votes
1answer
39 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
votes
1answer
59 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 ...
1
vote
1answer
67 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 ...
6
votes
3answers
2k 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
votes
1answer
108 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
votes
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 ...
-1
votes
1answer
54 views

Are “VPN” and “Certificate Pinning” serving different purpose?

I have a mobile application (ioS) which only certain users are allowed to use, and its coded in such a way that they could only login using secured VPN (with tokens) in order to access our internal ...
6
votes
1answer
57 views

How to determine risk ratings for third party mobile apps

Having rolled out corporate mobile phones and tablets, we have MDM in place enabling us to centrally deploy apps to all our users, and can perform remote wipe in the event of a lost device etc, ...
0
votes
3answers
127 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 ...
1
vote
1answer
95 views

Is it “cross-platform attack” if first OS is not attacked at all?

I am analyzing a mobile application, which has embedded files(Worms) to attack a desktop OS. But this application does not do any harm to the mobile platform. Mobile is just a medium to deliver ...
3
votes
1answer
227 views

Storing Credit Card Information on Mobile Phones

I've inherited the code-base for a legacy mobile app (both the native Android and native iOS version) and am running a security review on it, a few things stood out to me. The app allows a user to ...
1
vote
1answer
62 views

verify an api call is made from the mobile device [duplicate]

I am developing a webserver and provide an API to be used by mobile clients. Some of my calls are without any authorization, for example, to start the authentication process. Is there a good way/best ...
-1
votes
1answer
65 views

Can malware “upload” itself to the actual mobile base station and regain back to another phone?

My question is can a malware from my affected phone "upload" itself to the ACTUAL REAL mobile base station from the service provider, and regain back to my another phone with the same number (same ...
3
votes
0answers
77 views

How to securely store application data on mobile device

How can security be enhanced to the maximum in a messaging app storing messaging history on the device (like whatsapp)? I am specifically referring to methods to minimize the risk of the data being ...
0
votes
1answer
40 views

sniff mobile application to find whether packages sent to the third person [closed]

I suspect that my messages via Viber are being sent to another person - because to my mobile have access a lot of people and it could be possible that somebody installed there some software or ...
2
votes
2answers
80 views

Can we verify that an app store ships the same code I have been shown?

When thinking about which messaging solution to use on my new "smart"phone I reflexively tended towards open source products, figuring that I could trust these more to actually provide the security ...
3
votes
2answers
167 views

With Samsung's Knox proven weakness, how should I secure my Samsung device?

This post shows that the device pin is stored in the clear, which presents a major weakness in device security. Can I just delete the file? Or is there a better way to protect my device? It appears ...
3
votes
4answers
148 views

Can my phone be affected by malware through mobile phone signal?

My phone is newly bought. Can a hacker actually scan the mobile phone signal around me, detect it, and put virus/malware into my phone THROUGH the mobile phone signal of my mobile service provider? ...
5
votes
1answer
524 views

Is it safe to use the official Facebook apps in a public Wifi?

I know, that my login credentials are sent in clear text for every body to read, when I log into facebook without using https from my mobile phone's browser in an public / non encrypted wifi. And I ...
1
vote
2answers
57 views

Mobile apps and apps store security

This question is with regards to mobile apps and apps stores. Is it possible to program a mobile app that looks like a legitimate app, say for a bank, with the aim that people will download and use ...
2
votes
6answers
144 views

Deterring Mobile phone Tethering in the workplace

How do you put in controls to prevent a staff using his/her mobile phone to tether 3G/4G connection and download unauthorized files onto the office PC? Of course minimally there must be an AV in ...
0
votes
1answer
4k 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
2answers
277 views

When Activesync policy is applied to iPhones allows thumbprint-unlock, while Android does not. Which is correct?

We have a long-standing ActiveSync device policy that requires an unlock code for all phones that use corporate email. It seems that iPhones with "swipe to unlock" and Android phones with similar ...
34
votes
5answers
48k 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 ...
0
votes
2answers
434 views

Native app, token authentication without login/password

I'm working on a always online mobile game (native android/iOS app with Unity) and i would like to be able to authenticate the player without requiring any login/password at the beginning. For those ...
3
votes
2answers
330 views

How Securely Store Sensitive Data on Mobile Appliation

i want to develop a mobile bank app (windows phone, android, ios) that interact with bank channel. first time when user opens application the key exchange process begins and at end of this process a ...
9
votes
3answers
2k 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 ...
0
votes
1answer
64 views

Are 2FA soft-tokens flawed if the user can log into the website from the same mobile device?

If I'm using something like Authy for soft tokens for my users, and they log into the web application on the mobile device itself, haven't they just lost the benefit of 2FA (ie loss of the mobile ...
9
votes
2answers
2k views

Cordova/Phonegap: RefreshToken in localstorage

I am (partly) following a tutorial to develop a cordova app, based on angularJS. The author stores the refresh token in local storage, which was said to be very bad practice in one of the comments on ...
2
votes
2answers
413 views

ByPass usb GPO with iphone -and probably other mobile-

So I am running pentest on a device running Win7 and admin user set group policy to disable all mass storage devices and all usb's. I have access to local user without privs. Although my usb stick ...
10
votes
4answers
2k views

Possible to prevent Juice Jacking by only connecting USB pins 1 & 4?

According to this accepted answer, there is no phone on the market today that is immune from "Juice Jacking"*. I think an easy way to mitigate this threat is to have a filter that blocks USB pins 2 ...
1
vote
0answers
45 views

Best way to authenticate for Funding balance with API call [closed]

I have an API call where a user adds to their balance when funds are low. The actual payment is done via Braintree, but I need to allow the user to make that call via their API. What would be a good ...
1
vote
1answer
154 views

Tracing a text message

Good afternoon, Is there anyway to trace a text message? As far as the real phone number that the text is being sent from? Or the location of where the text is being sent from? I've been getting ...
2
votes
1answer
1k 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 ...
-6
votes
1answer
145 views

How to find phone number of any user in a specific area? [closed]

I have learned about IMSI catchers but also read that one can not get the phone number through that IMSI. Lets suppose I want to collect the phone numbers of all people in a college/ shopping mall/ ...
4
votes
5answers
3k views

Strange android app … possibly a mass malware?

I started receiving on my android Samsung Galaxy note strange notifications in Mandarin (the language of the people of china). Once I click on the notification it opens my browser with a blank page ...
1
vote
1answer
169 views

TextSecure/WhisperPush instant messaging by Open Whisper Systems: End-to-end encrypted or not?

Open Whisper Systems claims that its TextSecure messaging is end-to-end encrypted, but at the same time there are now some rather serious allegations of how it might be betraying its users. If I ...
9
votes
1answer
4k views

Android Device Encryption

I am trying to understand when using the default android device encryption in 4.0.4 ICS (AES-CBC 128Bit) how the Key Derivation Function works? That is how is the users decryption passcode transformed ...
2
votes
2answers
366 views

Is it safe to use virtual mobile numbers for verification

Is it safe to use virtual mobile numbers for account verification & authentication for services such as PayPal, Twitter, Gmail, Linkekdin, etc.? And what is the security drawback for this?
17
votes
3answers
2k views

Is my phone carrier monitoring my traffic?

Today I started using a VPN on my phone (nexus 5), and after I switched on mobile data and turned off my WiFi, I received a text message from my carrier offering me roaming packages for Europe (which ...
3
votes
2answers
150 views

Application communication monitoring

I am seeking a way to monitor communication between Android applications in order to detect their suspicious behaviour but I am not sure where to start the development process from. As far I have ...
5
votes
5answers
3k views

Is there a reason to protect SIM with PIN?

If phone would be stolen then SIM card will be thrown out by thiefs just after the theft so that they can't be found. If phone would be losed then it will be harder to find an owner for people that ...
0
votes
0answers
38 views

Do iOS applications have access to the certificates installed?

As the title says, I'm curious if a generic iOS application can access/retrieve the certificates installed in the device (e.g., via a management profile) Thanks