A smartphone is a mobile device which combines many of the basic features of personal computing such as email, media playback and web browsing, with the traditional features of a telephone.

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Is it possible for a website, by knowing the public IP only, to detect the exact smartphone device I'm using?

If with the same smartphone device I surf to one website (each time with a different IP, different SIM card and no saved cookies or cache), is it possile to detect that I'm using the same device? If ...
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1answer
94 views

How to check if your phone got hacked [closed]

Since the Stagefright exploit is very common on many devices I wanted to ask if there is any way to check if someone has used this exploit on a given device. Like check the processes for unknown ...
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2answers
111 views

Could one fit a root application in sim card

In the third Mr.Robot episode a character inserted a Micro-SD card in a smartphone in order to root it and gain information, so I thought maybe someone could fit a root-kit on a Sim-card. Would that ...
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1answer
105 views

Is there a backdoor in the hardware of our smartphones?

I don't know for you but I always felt like Android especially is not safe. Is somebody - the government or other - able to listen to my microphone, or access my hard drive remotely ? I'm wondering ...
0
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1answer
36 views

Risk of pgp-key to be compromised on smartphone [closed]

What risks to compromise my key, aside from the risk of the phone to be stolen, do I face when I use my private pgp key on a Motorola smartphone with the K-9-app? Can I mimimize the risk by using a ...
4
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0answers
105 views

Deal with number changes in a phone number based authentication/login system

Twitter Digits (https://get.fabric.io/digits) provides an authentication/login system based on phone numbers for mobile apps, and several other mobile apps (e.g. Square Cash, ...
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38 views

How to prevent location information from any dialing call [closed]

Assume you receive many unknown calls from unknown numbers regularly. You would like to prevent the callers to receive any pieces of information from you. How can you do this? Your number is ...
0
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3answers
238 views

Is it possible to perform a MITM attack with a smartphone?

Will be possible to perform a MITM attack using a smartphone? If yes, that is very dangerous. Is it really a danger attack? Shorted : Is possible to perform a useful MITM attack to a victim using a ...
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2answers
125 views

Eavesdropping phones in offline mode or when switched off

Occasionally there are reports about eavesdropping via phones which are switched off or in offline (or airplane) mode. People put their phones in the fridge or remove the batteries to prevent such ...
0
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3answers
168 views

What is a good way to authenticate a user to websites and applications with a smart phone?

What would be a good way to authenticate a user to authenticate to websites and applications over a smart phone? By good, I mean that it is both secure, and user-friendly. Passwords don't seem to be ...
28
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7answers
3k views

What is a good way to authenticate a user to a smart phone?

What would be a good way to authenticate a user to a smart phone? By good, I mean that it is both secure, and user-friendly. Passwords don't seem to be the best fit because a password needs to be ...
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0answers
350 views

Soft tokens - multiple profiles on same smartphone

Some of our clients have started migrating to soft tokens instead of hardware ones for two-factor authentication to their network. We have apps like RSA SecurID and VIP Access on our smartphones. The ...
2
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6answers
232 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 ...
5
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2answers
388 views

Can a caller “Hijack” your SIM information?

We have all heard them, rumors about people randomly calling you on your mobile phone number and asking you to confirm something by typing in a specific combination onto your dial pad (the rumor I'm ...
9
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2answers
3k 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 ...
7
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1answer
347 views

Connection Android - Baseband Processor - SIM Card

I currently examine the hidden components of a smartphone, inspired by the research of Weinmann All your baseband belong to us and Karsten Nohl Rooting Sim Cards. According to Weinmann, the ...
4
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2answers
679 views

How can I recover files encrypted by Android ransomware?

My Samsung Galaxy Note II was infected by a virus called the "FBI virus." Fortunately, I've managed to remove the malware but my problem now is that all my files have been encrypted. How can I ...
5
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3answers
11k views

Is it possible to have a text message that I didn't send appear on my smart phone making it look as if I did send the text?

I have a client who claims that some text messages "appeared" on her phone that she did not send. I think she may be telling the truth because it seems entirely too coincidental that these messages ...
5
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5answers
4k views

Is it possible for a phone to be transmitting even while turned off and the battery removed?

Is it technically or theoretically possible for any part of a mobile phone's circuitry to be still on and transmitting even while turned off and the battery has been removed? If so, how? I am ...
3
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2answers
239 views

Phone Applications having SSL/TLS enabled behind the scenes?

Please Note: This question is slightly based on me being a tin foiled hat with the issues that has arisen from the leaks, documents, and questioning trust thanks to Edward Snowden. Thanks to adding ...
2
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3answers
3k views

how can I tell if I'm under IMSI cell phone surveillance

I've recently had an encounter with the law, the details of which I won't disclose here since the case is still in court. They took my phone, naturally. I deactivated it as soon as I was released ...
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1answer
157 views

How do i defeat cell phone spyware? [closed]

I've bought a new phone, where one of its products can be activated by receiving a phone call. If someone uses a spoofed SIM card - with a number I recognize - I'll likely answer the call. Are there ...
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1answer
92 views

Public Key Authentication

Is there another way to verify someones public key without a CA signing it? A challenge-response authentication including some sort of UID of the smartphone? Smartphone A generates asymmetric key ...
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2answers
142 views

What makes iOS more secure than other phone OS [closed]

Let's start off with an example. Here in Canada, credit card companies cannot upgrade you credit card limit. You need to make a request, that will then get analyzed and then, depending on your status ...
2
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1answer
95 views

Password security on lost or stolen smartphone

I have a number of apps on my smartphone that store the passwords - facebook, mail, etc. So say the phone is lost or stolen and the finder decides he wants my passwords - what can he do to get them, ...
10
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1answer
140 views

Why does Android mix phone state with phone identity?

The "Phone State" permission on Android is widely requested by many apps. The explanation often given by the developer is that the app needs it in order to determine when you're on the phone, to stop ...
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4answers
601 views

airgap a smartphone?

I'm looking to use my smartphone purely as a portable computer, with no network functionality in order to protect my privacy. Is removing the sim cards from it enough to airgap it or do I need to go ...
66
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3answers
72k views

Is Telegram secure?

There is a new WhatsApp-killer application called Telegram. They said that it's open source and that it has a more secure encryption. But they store all the messages in their servers and WhatsApp ...
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4answers
314 views

Contact person by phone, when their phone might have malware

I have a problem setting where I want to contact a user by phone, and where I need to protect the integrity of the phone call as much as possible. I'm wondering about how to design the interaction in ...
3
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5answers
521 views

What are the major security concerns for smartphones? [closed]

With sales of smartphone on the ascend and PC sales on the decline, the demand for smartphones will soon outstrip the PC. What will be some of the new major foreseeable security concerns present on ...
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4answers
1k views

Tails like OS for Smartphones

In Jacob Applebaum's latest talk at the 30c3 conference, he advised all journalists to use Tails or similar OS for their laptops. Does anyone know of a similar OS or functionality for Smartphones? ...
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7answers
3k views

Can smartphone spyware work even if there is no data connection?

I am using android phone. Is it possible for spywares to transmit data even when I dont have any internet plan/connection ? Can it use some other way , say , cellular network etc ? EDIT1: SMS and ...
6
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3answers
361 views

Phone Privacy for Small Business

I'm a small business operator and I'm looking for ways to provide security and reasonable privacy for my own business communications and communications of customers. All these businesses operate ...
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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
437 views

Can malicious phone software mount a MITM attack on a phone call?

Suppose my smartphone has been compromised and there is malicious software running on it. You can assume that the malicious software has broken out of any sandboxes and is running as root. If I'm on ...
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1answer
177 views

Why Google and smartphone manufacturers don't care about updates?

For Windows, Firefox/Chrome, Java, Flash critical updates are issued each couple weeks, and as far my understanding goes, it is REALLY bad not to install them ASAP. For my 3 year old Samsung ...
2
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2answers
451 views

Can you protect corporate email on personal phones without the option of wiping all personal data?

Our company recently announced a new IT policy that requires encryption of any personal smartphone used to connect to the corporate Exchange server. As far as I can tell, they're using Exchange ...
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0answers
2k views

Is it safe to connect mobile devices to rental cars? [duplicate]

Many modern cars feature Bluetooth connections and USB ports that allow passengers to connect them with mobile phones and digital music players (and smartphones, which serve as both). Is it safe to ...
19
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3answers
2k views

Could my bank's two-factor authentication be hacked?

When I attempt to log in to my bank, an SMS code is sent to my phone. I then type this nine-character code into the bank's Web site, to login to my account. Is this vulnerable to attack, without ...
0
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1answer
84 views

VPN using SmartPhone Location

When you VPN using your smartphone as a hotspot, can the VPN tell your location like it can when you VPN over a wireless connection hotspot?
5
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1answer
894 views

Is it safe to use public USB charging stations? [duplicate]

I'm beginning to see more and more public device charging stations — okay, they're still mostly in airports — that include USB outlets, not just regular power outlets. Are these safe to ...
7
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6answers
1k views

Are smartphones at least as safe as “regular” computers for personal data?

Like a lot of people, I pretty much run my life on the Web these days. I use online bill pay, I shop at Internet retailers, I keep in touch with friends electronically, &c. I'm pretty comfortable ...
2
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2answers
109 views

Actual issue? Phone switches from 3G to router makes session switch from https to http

I heard that a security issue exists in some cases when a mobile phone has: Connected to a website via https via 3G Connects to a router I'm told that that in this particular scenario the router ...
0
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1answer
448 views

Is it possible detect a device using a 3G connection?

Someone has a hidden smartphone and are using the internet in a 3G connection. Can I find where is he? Maybe using a signal detector. find who is he? Maybe know the MAC number. just find if ...
4
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2answers
4k views

How to secure usb data storage of Android phones?

I just found out that if I connect my phone to a laptop with a cable, the password becomes completely USELESS. So how can I protect the data in my phone from a usb cable? It's actually very easy to ...
4
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3answers
598 views

What are the problems with bring-your-own-device related to smartphones?

What are the problems with bring-your-own-device related to smartphones? Companies see this more and more everyday, people want to use their personal devices on the corporate network or even use them ...
4
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1answer
74 views

What are some security measurements that can be taken with Windows Phone?

In corporate security it's often important to have confidential information, such as email, encrypted on your phone. How does Windows Phone (not Windows Mobile) cope with these issues?
4
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3answers
310 views

Are there any known botnets targetting smartphones?

Are there any known botnets that specifically target smartphones? What is their topology and how are they controlled? What are they used for?
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2answers
5k views

iPhone full disk encryption and theft protection?

Is it possible to fully encrypt an iPhone? What cipher does it use and are there any weaknesses? How can I protect my valuable data, such as email, when my iPhone gets stolen?
5
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1answer
286 views

Android, how to protect in case of theft

What are some steps to take into account to protect an Android phone in case of theft? Smartphones are everywhere now, before the market was dominated by Blackberry and Windows Mobile. These days ...