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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0answers
39 views

What are the ethics + legality of mSpy / other monitoring apps? (journorequest) [closed]

I'm a freelancer writing an article for VICE magazine on cyberstalking and other forms of digital coersion in relationships, and recently learned of the growing use of monitoring apps like mSpy. Is ...
1
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1answer
113 views

Cell phone cloning and applications that use internet

I recently watched a show where someone was able to clone a smartphone with the FID, IMEI or other numbers found on a phone. They were able to see the other parties text messages and call logs. My ...
0
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1answer
71 views

BBM pin to pin security

If a BBM message is intercepted over unsecure Wi-Fi and the PIN of the intended recepient is known. Can it be decrypted easily.
26
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12answers
6k views

Can I get malware on my phone, if my phone is tethered to my laptop downloading torrents?

I used a dongle before getting a phone, but now use my phone as a hotspot. I don't want my phone to get malware or viruses. Can my phone get viruses if I use it as a hotspot while downloading ...
24
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3answers
3k views

Listening to phone calls as user profiling for marketing [closed]

I had a landline phone call about xyz with an xyz-expert (also on landline) for about an hour, for the first time. After couple of days I started getting suggested links on websites as an ad exactly ...
0
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2answers
53 views

Best way to keep cell day to day phone calls private - is VOIP better?

This question is about preventing eavesdropping by hackers, thieves, or other smart people collecting information for shady purposes. Is it better to buy a smartphone and install a VOIP service on it ...
6
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7answers
4k views

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

I am using an Android phone. Is it possible for spyware to transmit data even when I don't have any internet plan/connection? Can it use some other way, say, cellular network etc.? EDIT1: SMS and ...
0
votes
4answers
748 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 ...
76
votes
6answers
6k views

What security features are important when buying a smartphone?

I'm looking at replacing my very old android smartphone. Information security is increasingly a feature that I'm looking for. As well as being slow, I don't think I can upgrade my current handset to ...
1
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2answers
108 views

Money stolen via Android malware Port 4000 remote anything exploit

As background, my business bank account was compromised. The compromise also involved call forwarding of a smartphone. So they got bank credentials and cell phone credentials. I initially suspected ...
125
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5answers
119k 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 ...
1
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2answers
66 views

Blackphone - Silentcircle - mobile apps

i have question about blackphone (silent circle). Is there any advantage over other mobile phones if i want to use third party mobile apps? So if I agree with terms of use of some applications, ...
4
votes
1answer
129 views

Is it unsafe to restore backed up data from Google servers?

I have an Android smartphone that I don't trust. It has an old version of Android and has been vulnerable to Stagefright and a host of a hundred other vulnerabilities for months. Although there is no ...
1
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1answer
77 views

Are there any potential complications with these secure baseband ideas?

So I have been working on some ideas for securing cell phones from baseband level exploits and I was wondering if there are any potential complications with these solutions such as practicality or ...
0
votes
1answer
46 views

Can IMSI catchers detect encrypted communications? [closed]

I would like to know if IMSI catchers can detect encrypted communications in general. Anyone got experience with that? Thanks
-4
votes
1answer
45 views

Using stingray against police (idea) [closed]

This is focusing on UK mainly, where police radios are similar to mobile phones. Pretend it's possible to buy Stingray, the IMSI scanner. Pretend Jimmy is a criminal, waiting for a police raid at any ...
29
votes
3answers
2k views

Can malware be transmitted via a USB charger plugged into a wall socket?

I have a smart phone that I often plug into a wall socket for charging via a small adapter that rectifies the AC to DC power and transforms the voltage from line (120V or 240V) to 5 V DC, probably ...
-1
votes
1answer
84 views

Can a SIM card in a different phone be tracked?

If I have lost my phone, reported it, but I had the SIM, would the SIM be tracked back to me if I got a new phone and used this SIM?
1
vote
0answers
37 views

Does a smartphone without a SIM card transmits/receives/connects data to/from nearest cellular tower? [closed]

Does a smartphone without a SIM card transmits/receives/connects data to/from nearest cellular tower ?
6
votes
4answers
26k 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 ...
0
votes
2answers
2k views

Can a random person find me if my location services are turned off?

I was recently asked by a friend if it's possible for someone to find someone else's location if they didn't have the location services on, on their phone. I told him I'm not sure but I didn't think ...
6
votes
3answers
5k 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 ...
8
votes
5answers
7k 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
votes
1answer
204 views

Smartphone motherboard - Does it hold any data?

I recently went for a smartphone repair and got its motherboard replaced. However, it didn't occur to me to ask for the damaged motherboard back. I had confidential credentials and data stored. No ...
4
votes
1answer
142 views

Way to keep Google from knowing the SIM card I am using on Android

We see that the the details of the Telecom operator along with other details are available to Google for the SIM card that we are using on an Android Phone. Is there any way that can be applied or ...
1
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1answer
94 views

(Theoretically) intercepting GCHQ's smartphone exploit

In the lastest Snowden interview, it was revealed that GCHQ used an exploit sent via SMS to gain access to smartphones, and that this 'exploit' goes unnoticed to the handset user. I was wondering if ...
2
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3answers
185 views

Is it possible to jam just one persons Cellphone but keep all other working?

I know devices that are jamming everyones Cellphones in a radius of X meters but this is only distracting the frequency cellphones work on. This is not very handy. Is it be possible to jam just one ...
6
votes
1answer
397 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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votes
2answers
112 views

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 ...
7
votes
4answers
705 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 ...
-2
votes
1answer
186 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 ...
19
votes
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 ...
1
vote
2answers
447 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 ...
1
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1answer
213 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 ...
1
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1answer
68 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 ...
13
votes
3answers
14k 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 ...
8
votes
1answer
454 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 ...
1
vote
0answers
48 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 ...
1
vote
2answers
234 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
votes
3answers
265 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
votes
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 ...
1
vote
0answers
1k 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 ...
5
votes
2answers
689 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 ...
2
votes
6answers
414 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 ...
13
votes
2answers
5k 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 ...
4
votes
2answers
1k 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 ...
3
votes
2answers
306 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 ...
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1answer
198 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 ...
3
votes
1answer
144 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, ...
0
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1answer
101 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 ...