Questions tagged [smartphone]

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.

Filter by
Sorted by
Tagged with
0 votes
2 answers
616 views

Is it possible for someone to spy on an Android phone without using spying apps?

Can a “bad guy” spy on an android phone without installing spy apps (those apps that require payment)? By “spying”, I mean using key logger, screenshots, read messages and so on. Is it possible to spy ...
-1 votes
0 answers
47 views

How much more smartphone security am I getting by picking the Google Pixel 6 Pro vs others? [closed]

I am trying to decide between the Google Pixel 6 Pro vs the Samsung Galaxy S22 Ultra. Device security is very important to me, so much so that it could be the deciding factor for me with this choice. ...
1 vote
1 answer
86 views

Comparing smartphones' to PC security

Comparing common smartphones running updated versions of Android or iOS to common desktop/laptops running updated versions of Windows or Linux: Are smartphones inherently less secure? I get the ...
4 votes
4 answers
5k 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? ...
0 votes
2 answers
116 views

How to realistically de-google an Android smartphone?

Smartphones have the options to selectively disable tracking in the settings menu. By visiting this menu, you can manually disable each application from having permission to access your private data ...
1 vote
1 answer
57 views

Android- ads in applications are in local language even when using proxy

I have noticed some weird behavior on my smartphone that I can't explain myself. I'm using Orbot application as proxy to route all of the phone's internet traffic through the Tor network. When I ...
3 votes
1 answer
368 views

'Removing' telecom provider from my phone

Baseband Processors have very weak overall security(closed-source firmware, no audits etc.) It also gives the telecom operator very high privileges on a mobile device. So, now I use 2 phones. First ...
0 votes
2 answers
395 views

Android phone's lockscreen PIN disappeared?

I own a ZTE Axon 7 (model 2017G) that I purchased secondhand from a reputable vendor in Germany ca. 3 years ago. The phone has been working well, and I updated the OS to Android 8.0. manually earlier ...
0 votes
1 answer
2k views

Security and privacy concerns about "IMEI check" websites

I know there are few questions about the risk of IMEI with various answers from rare risk to none. But my question is regarding the kind of websites that provide IMEI check services for free with some ...
0 votes
1 answer
184 views

Can two antivirus softwares work on one android phone?

Scenario: You have one antivirus installed on your phone. You suspect that your phone might have malware on it so you do a system scan and your AV doesn't find anything. So you decide to download ...
14 votes
6 answers
6k views

2FA: Why do I need to keep my backup codes for each platform on paper?

I'm looking into setting up 2-factor authentication for my registered accounts. However, when setting up 2FA, for example Reddit, you need to write down backup codes in order to regain access to your ...
1 vote
1 answer
139 views

Does Re-Encryption make our data more secure?

We are focusing on mobile phone and hard drive encryptions. This idea can be extended to any data encryption also. iPhone and recent Androids are all encrypted. We know that changing the password will ...
238 votes
6 answers
286k 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 ...
0 votes
1 answer
123 views

What is the impact of someone accidentally getting my IMEI number from my Android phone? [duplicate]

I have a concern regarding how risky it is if someone knows or has the copy of my 2 IMEI numbers. As we all know, on Android phones, the IMEI are at the back cover of the phone like a sticker. So, my ...
1 vote
1 answer
1k views

How seriously should we take this commentary from John McAfee? If it's serious, what do we do? [closed]

This question refers to this YouTube video of John McAfee Because videos can disappear, I've provided a screenshot and transcript (transcribed by me, so please forgive errors) What John is saying ...
1 vote
2 answers
181 views

Scanning for malicious hardware on display replacement for a smartphone

I recently bought a replacement display for my smartphone on ebay from a national supplier. I later realized that it does not have the Huawei logo printed on it, but it is working fine. There were ...
0 votes
2 answers
300 views

Do android spyware apps comes attached with games or mod apk files?

I have installed several mod apps of Netflix, amazon prime, games apk from google in android v10. Can spyware be installed through these apk. these apps have not taken much permissions from me they ...
0 votes
1 answer
127 views

Is there a thing as a small bag which BOTH blocks signals AND sound for securing a mobile phone on the go? [closed]

I've been hunting for this for a long time. I've been able to find "Faraday" bags that (allegedly) block signals to/from the surveillance unit (phone), but they never mention anything about ...
0 votes
1 answer
133 views

Bi-monthly Android traffic to a URL getting blocked

Last month, I reset my cell phone, also immediately installed Malwarebytes and Avast. Every scan until now was/is safe. But I also have a virus scanner which is included in my ISP safety package (...
2 votes
2 answers
2k views

Will Google Authenticator stop a sim-swap attack from compromising my Coinbase?

If I use Google Authenticator for Coinbase, and someone sim-swaps my phone number and gains full access to my email account, can they drain my Coinbase account? They would be in control of my email, ...
0 votes
1 answer
504 views

Why don't researchers care about iOS malware? [closed]

I see Android malware being mentioned when reading peer reviewed papers about malware detection for smartphones, but iOS is never mentioned. Even Malwarebytes says: Historically, iOS has never been ...
1 vote
0 answers
115 views

Android System Update Spyware Can Steal Your Photos, Money, Record Calls and Track You Too. What to do if this happens? [closed]

I came across this website and suddenly I got worried. What worries me is apart from the system update threat mentioned I have been visiting so many sites, clicked on pop-ups, downloaded apps from ...
0 votes
5 answers
8k 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 ...
1 vote
1 answer
447 views

Why must I register a new phone for 2FA services? The number is the same, isn't that enough?

I have a smartphone and I use 2FA to log in to several services - bank, github, world of warcraft, etc. If I were ever to lose/destroy my phone without making prior arrangements for account recovery ...
67 votes
8 answers
15k views

Can a stolen Android phone with USB debugging enabled have screen lock bypassed?

My Android (8.0) phone was pickpocketed from me yesterday. It was immediately turned off by the thief and when I tried to locate it using Find My Device it shows as offline. As a programmer and a ...
1 vote
3 answers
272 views

Reccomended way to securely erase SSD storage of a smartphone? [duplicate]

As far as what I understand there are different approaches and I have a few doubts regarding each of them: On the one hand, it seems that factory reset does not securely erase itself data from SSD ...
0 votes
0 answers
92 views

Smart Tablet Device Vulnerabilities

My son and I have a cybersecurity concern. Somebody somehow compromised his tablet, accessed his files, and emailed them to him from something like guerrilla mail but we cannot figure out how. Our ...
1 vote
3 answers
1k views

Signal: contact people, or have people contact me, without revealing phone number?

Is it possible to use Signal without revealing my phone number to others? I'm personally using the Signal app on Android, but of course it applies to all versions, desktop and mobile. With Telegram ...
1 vote
2 answers
159 views

Are there any risks involved with plugging smartphones into Windows 7-10 computer's USB ports?

When you plug a smartphone into a USB port on a Windows 7-10 computer, often a small message box pops up on the Windows device indicating that drivers are being installed. This happens automatically ...
1 vote
0 answers
98 views

Can android spyware access photos of my phone

I have installed some mod apks on my phone few days ago and i am feared that if they contain any type of spyware then can they access photos of my phone?
1 vote
0 answers
261 views

Should I occasionally replace my SIM card for security reasons?

To be able to use mobile data (e.g. 4G/ LTE) and mobile telephony (e.g. VoLTE) services on my smartphone, I need to put a SIM card into my smartphone (I know embedded-SIM/ eSIM exists but let's ignore ...
3 votes
1 answer
239 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 ...
13 votes
1 answer
4k views

Secure way to hold private keys in the Android app

What would be the most appropriate way to store private keys for barcode signing in the Android app? Probably most experts here would say - just don't do it, cause it's insecure... But I would like to ...
2 votes
2 answers
1k views

Can an android phone that is flashed to a trusted safe rom still be malicious?

I'm in the market for a new phone. The cheapest ones with decent specs are from China. Unfortunately I've read articles of phones sending data back to China for spying purposes. The phone I am looking ...
15 votes
3 answers
10k 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 ...
1 vote
1 answer
7k views

Should the MEID, PESN, IMEI1 and IMEI2 numbers be kept secret?

On my Huawei PLK-AL10, when I type *#06# in the dialer, a window named MEID_IMEI would pop up and display some random strings. Note that someone can get this information through the "Emergency call" ...
1 vote
0 answers
944 views

Can someone impersonate you on WhatsApp?

Well I'm not a developer so I'm here to resolve a specific question. I have been investigating this subject for a while now and I need and opinion from experts or developers which really understand ...
2 votes
1 answer
246 views

Smartphone fingerprint plus iris scanning for login

I have often thought about the fact that when intimate relationship partners live together they eventually tend to sneak over your shoulder and gain access to your password on either your mobile phone ...
2 votes
2 answers
4k views

Why fingerprint scanner doesn't work after reboot on Mi phones?

When I first experienced this I ignored it. But after some days I noticed that I had to unlock it by pattern lock or password everytime I restart the phone and after unlocking by pattern/password, I ...
3 votes
4 answers
6k 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 ...
5 votes
1 answer
10k views

How secure is full-disk encryption technology on LineageOS, or Android phones in general?

We're attempting to assess the information security on our mobile devices, and information seems rather varied on the question of encryption. Is the encryption technology employed by Android-based ...
21 votes
4 answers
4k 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 ...
3 votes
2 answers
283 views

It's possible to make an account in mainstream social media without giving them my phone number or have a phone number that can identify you?

I'm learning about privacy and security and one of the tips everyone always talk about is compartmentalization, I'm trying to do this and get rid of my old profiles in social media (one of them have ...
-1 votes
1 answer
130 views

Can your phone get hacked just through your phone number? [closed]

If someone has got your phone number can they hack into your phone using just the phone number? Perhaps by sending an SMS?
2 votes
1 answer
81 views

What additional privacy impact does using the COVIDsafe app have for people in Australia who are using their phones normally?

I've been trying to encourage some people I know to install and use the COVIDsafe app. Some people have raised privacy concerns as a reason to not install the app (there's other concerns, such as it ...
55 votes
10 answers
13k views

Does the saying "physical access = game over" apply to smartphones, too?

I was surprised to read in the responses to this popular question that it's considered nigh impossible to secure a computer system if intruders have physical access. Does this apply to smartphones ...
2 votes
1 answer
144 views

how to protect smartphone data against theft?

i assume typical android has fully encrypted disk with a key stored in a header. header is encrypted using pin / pattern / fingerprint or not encrypted when there is no lock. is that correct? when ...
0 votes
0 answers
159 views

How can you spoof your caller ID? [duplicate]

How can I spoof my caller ID to make it look like someone else is calling for pen testing purposes. Note: I tagged Python because I am trying to make it with Python.
-1 votes
1 answer
91 views

Why computers accept biometrics as first authentication but not phones

After powering on laptops and desktop computers, you are allowed to use biometrics for login. But, as far as I know, biometrics are not allowed for unlocking phones after powering them on. You are ...
0 votes
2 answers
189 views

How can I make sure my master password is as strong as possible?

How can I make sure my master password is as strong as possible? The password manager I'm using is Bit Warden. Is creating a passphrase a good idea? I know it's good to include characters, numbers ...

1
2 3 4 5