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

Filter by
Sorted by
Tagged with
-2
votes
0answers
18 views

How to overcome rooting Android drawbacks? [closed]

I am trying to root my mobile device main reason was to move apps or use apps like app2sd link2sd apps for moving apps but I forums experts suggested many alternatives. A solution to format as as ...
2
votes
0answers
24 views

Gatekeeper timeout. TWRP vs Lockscreen

I have a locked phone (forgotten PIN). Currently, it seems, brute forcing PINs is the only option. Due to many incorrect attempts, the gatekeeper timeout or cooldown period is stuck at 480 seconds now....
1
vote
1answer
57 views

“Breaking” into Samsung phone

One of my colleagues has recently passed away and I am left with a task to retrieve data (especially pictures) from his phone - Samsung Galaxy A3 (2017). Unfortunately, he set a numerical code to lock ...
1
vote
0answers
27 views

Librem 5 Purism hardware buttons, software equivalent on GrapheneOS?

One of the best features of the Librem 5 Purism is it's hardware switches. Any possibility that a means exists that will allow me to do this on GrapheneOS? Software, rather than hardware, of course. --...
1
vote
0answers
57 views

🤔❓APK components - services, activities, broadcast & content receivers where's their data Stored?

As I understand Every APK install is associated with these components. Trying to figure out precisely where they are stored. Services Activities Broadcast receivers Content receivers For most apps ...
1
vote
1answer
35 views

How does Google know whenever I made a login in Android?

Now a time, whenever you make a login or anything using a username or password, Google prompts you to save the password in your primary account. Unlike earlier, when it was limited to browsers only, ...
1
vote
0answers
68 views

Are my personal files safe after factory reset?

I am planning to sell my phone Redmi Note 7 running Android 9 which is already unlocked bootloader but no root access, is my data can still be recovered through Android software recovery? I don't want ...
-1
votes
0answers
65 views

Compromised Google Account & locked out

While traveling, I activated this new phone 6/26/21.(I was shocked when the phone swapped WiFi SSID MID-ACTIVATION). I continued to created a Google Account adding the phone number only for security,...
4
votes
0answers
132 views

Recovering Data from Android 10 (Forgotten PIN)

Long story short: I have forgotten the PIN to my Android device, as it wasn't being used for a while. Steps that I have tried/am trying/planning to try: 1. Brute forcing - I have been trying to brute ...
-1
votes
0answers
12 views

What are these files? [duplicate]

Recently I've had a number of problems with my phone. It's been hacked. Factory reset 8 times approx. New Google accounts, of which I am locked out of my own account. At one point there was a device ...
0
votes
0answers
24 views

Does `adb push` put files in the DE (Device Encrypted) or CE (Credential Encrypted) storage?

Does the use of adb push put files in Android's DE (Device Encrypted) or CE (Credential Encrypted) storage area? According to the FBE (File-Based Encryption) documentation On an FBE-enabled device, ...
0
votes
0answers
37 views

How to disable Direct Boot Mode in Android 10 (Device Encrypted, Credential Encryption)?

I want to disable Direct Boot mode on my Android-10-based tablet so that no apps can start on-boot until after I enter my decryption password. Background: As of Android 7, FBE (File-Based Encryption) ...
1
vote
0answers
32 views

How to get a list of all apps that start in Direct Boot Mode (Device Encrypted, not Credential Encryption)?

I want get a complete list including all apps (including system apps) that are running in Direct Boot Mode, therefore they necessarily store their data in the DE (Device Encrypted) area (as opposed to ...
0
votes
1answer
18 views

Why does GraphineOS use signify instead of PGP to sign their releases (GPG, cryptographic signatures)?

Why is it that the GraphineOS (Android ROM) project crypographically signs their releases with signify instead of PGP? The install documentation for GrahphineOS instructs the user to install the ...
0
votes
0answers
27 views

Does GrapheneOS's Android 10-based releases use FDE (Full Disk Encryption)?

According to the ASOP documentation, it is no longer possible to use FDE and the user is forced to use File-Based Encryption Note: Devices running Android 7.0–9 support full-disk encryption. New ...
0
votes
0answers
18 views

Nothing happen when 'Tap yes' in Google 2-step Verification

Phone is Sugar C13. The phone is running Android 8.1.0. When I sign in Chrome on PC, I get the "notification" of "Is it you trying to sign in?", and the two step verification pops ...
0
votes
0answers
46 views

How to use FDE in Android 10 (Full Disk Encryption)

How can I setup Full Disk Encryption in Android 10? According to the ASOP documentation, it is no longer possible to use FDE and the user is forced to use File-Based Encryption Note: Devices running ...
-1
votes
0answers
37 views

Android ROMs whoose releases are cryptographically signed (gpg) [duplicate]

What is the list of popular Android ROMs whose releases are cryptographically signed? Today I learned that LineageOS (arguably the most-popular open-source Android ROM) does not cryptographically sign ...
1
vote
0answers
42 views

Break or trivialize recovery mode

Is it possible to have either a broken recovery mode (without bricking other modes) or a trivial recovery mode (e.g. no menu and automatically shutdown)? Where can I find existing ones or instructions ...
0
votes
1answer
33 views

Is there a container-izer for Android, to run an untrusted app that insists to have access to local photos etc?

I need to run an IoT control Android app with network access that also insists to have permission to access local media files, or its a no-go. I don't fully trust this app and I don't want to grant it ...
0
votes
0answers
25 views

How to format the internal memory of a Huawei Mate 20 Lite?

I have a Huawei Mate 20 lite I need to format its internal memory. I don't mean to reset it to factory defaults. I mean I have to format it, that is, I have to overwrite the internal memory with 0s (...
0
votes
0answers
19 views

Securely Sideloading In-House Apps

I am working in a secure environment where we do not have wireless communication of any kind, so the only way of installing an app on our Android devices is to sideload it - the original sideloading, ...
1
vote
0answers
29 views

How to counteract USB Rubber Ducky (or other bad USB) on Android devices?

I've read somewhere that it's possible to use mouse and keyboard on Android devices. Because that's possible, it's also possible to use devices like USB Rubber Ducky to automate key presses to hack ...
0
votes
0answers
20 views

Why are battery optimization options getting reset after every restart / upgrade and how to prevent this?

One problem that results from this beyond having to change the settings after update is that firewall apps can get disabled. After every update the NetGuard firewall was disabled which may be caused ...
2
votes
0answers
53 views

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 ...
1
vote
0answers
31 views

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
1
vote
0answers
32 views

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?
0
votes
0answers
45 views

Adguard HTTPS filtering

Are there any Reviews/audits verifying the security of the Adguard HTTPS filtering (interception)? I know that any MITM software is a security risk, but without this feature ads are not blocked on ...
0
votes
0answers
10 views

Possible to restart the Samsung Bixby button handler?

Is there a way to restart the service or handler that manages the Samsung (S10+) Bixby button (without rebooting the phone)? My button has stopped responding. I know it's a software issue and gets ...
1
vote
0answers
35 views

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 ...
0
votes
1answer
32 views

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 ...
0
votes
0answers
37 views

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.
1
vote
0answers
18 views

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?
0
votes
0answers
26 views

init cannot execute /system/bin/ip despite SE Policy

My policies to allow a domain transition to init on /system/bin/ip appear to be ignored. I'm trying to get init to modify my MAC address, I can't seem to do this with an overlay (at least I haven't ...
0
votes
0answers
20 views

Can non-current-keyboard app (non-current-input-method) record my keystrokes (keylogger)?

I don't really trust the mobile manufacturers in my place. The first thing I bought a new phone is installing a trusted input method app (keyboard app) and switch to that keyboard app. But I am ...
0
votes
0answers
26 views

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 ...
11
votes
2answers
2k views

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 ...
1
vote
1answer
25 views

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 ...
2
votes
0answers
121 views

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 ...
1
vote
0answers
88 views

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 ...
2
votes
1answer
60 views

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 ...
2
votes
0answers
36 views

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 ...
0
votes
0answers
30 views

secure custom ROM for galaxy A50

I have a mallware infection on my A50 and I was going to flash a stock ROM back on it. On the other hand, there might be other options that give more functionality or security. Perhaps even a custom ...
2
votes
0answers
16 views

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 ...
0
votes
0answers
42 views

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 ...
0
votes
1answer
50 views

How do I hard reset/ factory reset my supersonic SC-74JB 7 inch tablet with no physical volume button on

No physical volume button Forgot security password to get into my supersonic SC-74JB 7 inch tablet that you need after you turn on the tablet
0
votes
0answers
42 views

Stop user from changing Chrome settings on Android

I'm trying to find a way to stop users from being able to change Chrome's settings on an Android device. The main focus in not letting people turn on saving passwords, as multiple people share the ...
0
votes
0answers
59 views

Certain My phone is being monitored

I have a Samsung Note10. I have had lots of weird things happen such as numbers being called by itself, one time with my hand holding it and nothing being pushed. Also twice in a week settings in a ...
0
votes
0answers
36 views

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 ...
0
votes
0answers
19 views

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?

1
2 3 4 5
23