Questions tagged [security]
For more generic questions relating security issues. For specific issues having their own tags, please use those -- e.g. 'malware', 'antivirus', 'privacy', 'lost-phone'. Please see the full tag wiki for more. For more in-depth Android security issues, you might rather want to visit our sister-site at http://security.stackexchange.com/questions/tagged/android
1,246
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Why are battery optimization options getting reset all the time and how to prevent this?
They aren't just reset after every restart / upgrade but even without running any update or restarting.
One problem that results from this beyond having to change the settings after update is that ...
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Why isn't the unlock pattern working anymore?
A few days ago my unlock pattern was not recognized anymore. I'm guessing the cause is memory corruption or some bug.
I haven't restarted the device yet, hoping to "find" the new pattern or ...
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413
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How to make Private DNS unchangeable?
Are there any way to make android private dns settings unchangeable?
I need app locker for android that password-protect private dns activity or class
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How do I compile and install USBguard on android?
Is it even possible to compile and install linux packages on android, if it is possible how do I install usbguard into android?
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How to install a certificate on Android TV?
I've installed certificates (especially the FiddlerRootCA) on several android devices already, since it has a security section in the menus.
On Android TV on the other hand, I was not able to find ...
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317
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Gmail personal email shows as “work” account
On the settings/accounts & backup/accounts page, myphone lists my gmail.com account as a “work account”.
I do not have a separate work profile.
The gmail work account is listed in addition the ...
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738
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How can I enable VPN only for a specific app?
I want a spesific app to be only connected through a VPN all the time, while everything else remains normal and not connected through VPN. How can I achieve this?
Moto C Plus | Android 7 | Rooted.
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MTP unlocked by default - How to lock it?
I have a Samsung j730f and currently I am using a custom ROM and if I plug my phone into a computer (even with the screen locked), I can access to my data.
Please help me: how can I lock the MTP?
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42
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Prevent user from installing any applications
I have Galaxy J1 smartphone with OneUI and I have to prohibit installing any applications on it. I tried disabling appropriate activity in PackageInstaller, but that can be bypassed with Factory Reset ...
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Security on a Nexus 6P purchased on Ebay
I purchased a used Nexus 6P on ebay to replace my current 6P, because the camera has failed.
The seller indicates that the new phone has been factory reset, but I'd like to be sure that there is no ...
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Why does Google Chrome on Android has so many permissions?
Just found out through a connection tracking app, that Google Chrome on my Android 9 has so many permissions granted . Permissions like :-
Pair with Bluetooth devices
Access Bluetooth settings
Read ...
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365
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Here GPS tracking
I have been lured into the world of FOSS apps, apps using known trackers and loggers, DNS, and firewalls. My phone is rooted via Magisk. It's a Huawei P20 Lite. Running Havoc 2.9 and Android 9.
So I ...
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Does android keystore and “Clear data” of the “Settings” app are related?
I am working on a system app where i am storing some sensitive data in EncryptedSharedPreference.
I realise that my app is not working as expected if I do clear data of android Settings app. That is ...
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Does the latest Android release is secure against the ADB vulnerabiliy?
I have two smartphones running Android 10 and 8, The ADB is enabled for many proposes. Generally some vendors have been shipping products with Android Debug Bridge enabled. But it seems that enabling ...
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What makes the android boot sequence different from Windows boot sequence?
I've just studied the Windows boot process (theoretically) and now I want to compare the Android's boot sequence with the Windows boot sequence. One point I've found is that in Windows there is BIOS ...
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Disabling lock screen app in a Oukitel WP5 Pro afr
A friend just bought a Oukitel WP5 Pro powered by Android. It's up and running but he doesn't want the lock screen. In security it does not give the option "none". I went into app manager it ...
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How can I make my android turn the screen on and unlock when I touch the screen?
I want to mount an android tablet on the wall, and want it to turn the screen off when not in use, but turn back on whenever you tap the screen (similar to waking up a computer while jiggling the ...
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How to prevent the use of a phone as a second-factor security confirmation
Mobile phones are frequently used to read email and access secure online accounts. So the average phone contains both the account signon usernames and the associated passwords. Email has been used ...
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66
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Is there a way to log all access to the phone include a photo
Is there a way to setup an android phone so that it logs all access and takes a photo each time it's accessed?
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Compromised phone
I have a stalker who has managed to intercept texts and maybe calls. I have changed phones, providers, and phone numbers and they always get in. I also believe my locations are being tracked. So my ...
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Erase content of stolen phone, but thief has my PIN
My phone was stolen.
I tried to erase it but the only option was set up erase. The problem is I believe the person that has my phone also has my PIN which would give them access to the phone. I know ...
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67
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Firefox Android with password storage
Can you suggest a good solution how I can store my passwords secure with Firefox for Android? Firefox sync has no "cloud storage" which means I have no cloud backup. Keepass2Android with ...
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Why does LineageOS 17.1 on Android maintain 2 mac addresses?
I understand that LineageOS randomizes the phones wifi mac address - and thats fine.
But on analysis of the traffic from the phone, it seems to have 2 mac addresses simultaneously, and both are on the ...
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136
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Samsung Galaxy Note 10+ 5G - cellebrite mobile forensics data extractions - locked with pattern
I've got a locked Samsung Galaxy Note 10+ 5G (running the latest android 10 and patches)
The phone is locked with a pattern (unknown)
What are my chances of any data extraction with cellebrite or ...
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140
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AOSP x86 adb secure
I'm trying to build a custom ROM with secure access via adb. My goal is to secure the android image so that it can only be accessed with a certain adb RSA key pair.
When I build AOSP with 'user' ...
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Detect which type of SSL Pinning is being used on Android Applications
Is there a way to detect what the Android Application is using as SSL Pinning. Whether it is certificate Pinning , Public Key Pinning or Hash Pinning ?
I am doing a study on local Android Applications ...
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With Android, does a factory reset truly reset the device to the same as it was when it left the factory (unlike an iPhone)?
When you reset an iPhone, my understanding is that the device does not truly get reset to how it was when it exited the factory.
What about with an Android device? Does performing a factory reset on ...
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1
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1k
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ADB - bypass lock screen
I am using Lineageos 17.1 on the FP3 (the phone is not rooted).
I do know my screen pattern code (it is a 6x6 pattern), but I am not able to enter it correctly, because I disabled that the pattern is ...
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109
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Prevent Wifi and mobile broadband from being turned off when phone is locked
On my old android 10 phone (an LG) if I pull down the shade when the phone is locked and try to turn off wifi or mobile broadband, it asks me for my password. My new phone doesn't do that. Is that a ...
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How to determine if an android application uses Trusted Execution Environment (TEE) and Secure Element (SE)?
I have gone through questions One and Two. But still I have an additional question.
How do we find out that an android application uses Trusted Execution Environment (TEE) and Secure Element (SE). ...
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66
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Can applications access users information without having permissions?
When i scan apps with
Am pre_release Some apps have this access, which is in the photo. My question is, what is this access? Can you explain about it first? And in the second place While camera ...
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52
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Can applications access users information without having ( camera , microphone or etc) permissions?
I recently became very suspicious of apps. And a few questions have occupied my mind, please help me
Is there any way that an application can access the camera without having the camera permission ...
undertaker
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488
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Are there any issues with allowing the KLMS Agent app (part of Samsung KNOX) to be restricted by Data Saver?
I use the "Data Saver" feature to extend battery life and to prevent/reduce apps from accessing the internet when the phone/tablet is sleeping and when they are not supposed to be running. ...
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How to determine default enabled permissions for for pre-installed applications?
Many Android apps that are pre-installed by manufacturers have extensive and intrusive requested permissions.
When looking at the permissions of each app via Settings > Apps, some of the ...
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What are all these Google internet hosts (domains) and why is stripped-down Android connecting to all of them?
Technology users are faced with a challenge: Allowing our tech devices to work without them invading our privacy.
Obviously choosing products carefully is a critical step. Unfortunately, the two main ...
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151
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Non-native network interfaces
I have these strange non-native network interfaces popping up on my phone... and mind you, this is after factory resetting my phone 5 times in a row. Can anyone help me make sense of these?
Instead of ...
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Can an app installed from the Google Playstore install another app with different permissions?
I installed an app for custom notifications from the Playstore. The app requires sensitive permissions (camera, contacts, and storage), but has no network access. When I selected a setting the app ...
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Is it possible for a phone to still be compromised/infected by malware or spyware even after a factory reset?
If yes then how can one ensure that its %100 wiped clean?
Android 7 | rooted
EDIT: Same question but how about when rom is flashed
?
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How to whitelist websites? [closed]
How would I whitelist so that I can only use certain websites in my browser?
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419
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Google showing places I haven't been
I am shown on google that I have visited Liverpool and Cornwall both of which are 100's of miles away from where I live. Any ideas why?
My Facebook was hacked could this be the same thing?
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Problem with a sdcard under Android 7.1.2 three partitions can not be mounted / used
Happy New Year!
there is a problem with my sdcard under Android 7.1.2 (Custom Rom) (root=true, adb=possible).
The vFat Partition can be used, but the rest is not mounted and can not be used.
mmcblk1p1 ...
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40
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What level of permeability is there between Android and installed apps?
I just installed Protonmail on my Android device, and I was wondering how much data can Android (Google, really) can get from my use of that app, or from any app in general for that matter. I write ...
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Utilizing an old Android as a security camera and saving footage to HDD [closed]
I would like to create a small security camera network utilizing devices I already have, namely Android phones. All phones can have a constant sources of charge, as well as be attached to my wifi ...
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Does ShareIt use the content we share?
In the TOS it seems they say that we give right to use our content.
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475
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Updating Pixel after many months. Will I get all the missing monthly security patches?
Not a duplicate of this
Are security patches only applied to the latest Android version?
I have a Pixel 4a, Android 11, running November security update. For various reasons, I do not wish to apply ...
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How secure is your data in Android when an app is given access to storage, camera, contacts
I am just trying to understand that, these days most of the apps require access to things like camera, storage, contacts.
Is there any data privacy link to read through for an app consumer to know ...
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Chrome, autofill, and biometric security
One of the recently added Android features is biometric-protected autofill. It should enable something similar to iOS, where credit card numbers and passwords are protected by a fingerprint or Face ID....
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Is the Android Emulator from Android Studio vulnerable to Dirty COW?
I want to try out the DirtyCOW Exploit in a Virtual Machine or an Emulator. I have made DirtyCOW run on some versions of Android-x86, with Android-x86 running in VirtualBox.
I want to know if DirtyCOW ...
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1
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Password-protected APK installation?
I am seeking ways to disable installing apps with APK, i.e. make the setting "Allow apps from unknown sources" password-protected or disable completely for user.
Is there a way? Maybe it's ...
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Make my screen unlock pin longer than 31 digits
My question is pretty self-explaining. Currently I have a PIN number of maximum possible digits (31) that my Android 10 supports (phone is Huawei P20 Pro). Is there a way to make it longer than that? ...
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