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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

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Difference between "Picture-in-picture" and "Display over other apps" permissions and their security vulnerability

What are the differences and security vulnerabilities of these two permissions? Picture-in-picture Display over other apps Is it possible that I'm typing something in chat heads of an FB Messenger ...
user avatar
1 vote
0 answers
22 views

How to block access to a WiFi BSSID?

With a typical Linux distribution there are tools like wpa_cli, which can block specific BSSIDs, so that I can avoid connecting to certain bad access points that share the same SSID with good ones. ...
aw3322's user avatar
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20 views

Unknown Package (uid-253)

Unknown Package (uid-253) Uploading Data While Charging - What Should I Do? Hi everyone, I noticed something unusual on my Android phone recently. A package named "Unknown (uid-253)" was ...
FAZAIL's user avatar
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2 votes
1 answer
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“Android compatibility verification FAILED”

I installed Sophos Intercept X for Mobile on a new Tablet. 
 Intercept X is showing:  Android compatibility verification FAILED” indicates the Android OS on the tablet is not validated according to ...
Padsr's user avatar
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3 votes
1 answer
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How to migrate Signal Messenger data from Android to iPhone?

So I'm not sure this is the right place to ask this but I'm getting zero replies from [email protected] so I thought I'd check in with the online community. I'm familiar with the security issues ...
Marcos's user avatar
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0 answers
37 views

Is it possible to skip the warning screen on a locked bootloader running custom firmware?

This question is from a malicious viewpoint to see if its possible that it happened in my case I have got answers before that if my bootloader is locked then a factory reset(/even reflash stock rom) ...
yehtemeh's user avatar
0 votes
0 answers
39 views

How easy is it for a thief to repurpose a stolen, non-rooted Android phone with both a SIM card PIN and a phone PIN?

I recently dropped a phone and I assume somebody picked it up and ran with it since it was immediately turned off. Now I want to know how easy is it to get into the phone which is running Android 12 (...
user9564371's user avatar
8 votes
1 answer
1k views

Why are Let's Encrypt security certificates invalidated prior to schedule on affected Android devices?

According to a well-regarded QA answer by a member of our Android community here on Stack Exchange: By the current schedule, Let's Encrypt cross signing will end on September the 30th 2024. After ...
End Antisemitic Hate's user avatar
1 vote
0 answers
89 views

How to start Android and bypass the SIM PIN?

How to start Android and bypass the SIM PIN? I'm asking myself why it is not possible to start/boot Android without entering the PIN for the SIM card. The smartphone is a computer, with it's own ...
PaulEdison's user avatar
-1 votes
1 answer
42 views

Need security pattern to unlock my new blu tablet

I received a brand new BLU tablet and someone has already put a security pattern on it to unlock it. How do I unlock it?
Cynthia Conrad's user avatar
0 votes
0 answers
165 views

Testing Play Integrity API in Android SDK emulator

I want to test my app with the Google Play verdict API, especially MEETS_STRONG_INTEGRITY. To test, I plan to use Android Studio as I have always done, but when I create a device, I cannot approve the ...
J188's user avatar
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1 answer
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Lost Huawei P30 Pro and data protection

I recently lost my Huawei P30 Pro smartphone and I'm concerned because the phone contained personal data. I don't want anyone to get access to that data. The phone was protected by a 6 figure password ...
Platus's user avatar
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0 answers
31 views

Should I keep the serial number of my phone private?

I've just purchased a new, sealed Samsung Galaxy S24 online and the seller is now asking me for a picture of the "About phone" page. He says it's to "keep track of the item", but I'...
parsley3392's user avatar
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0 answers
40 views

What's the state of Kaspersky (on Android) in 2024?

TL;DR, is Kaspersky safe to use given the current political situation? I decided to download an antivirus and scan my device after accidentally clicking on a really suspicious link. Once I was done ...
nobody27's user avatar
0 votes
0 answers
36 views

Unusual entry in Google web & app activity

On my google web & app activity I noticed an unusual entry. Should I be concerned? It says: Used: qualcomm.qti.services.secureui.com Any ideas?
An2net's user avatar
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0 answers
121 views

Getting anonymous notifications everyday two times

The notification title : test Notification message : running I would like to understand whether this notification is from the system or someone trying to hack my phone. Two weeks back I suspect some ...
Jan Josh's user avatar
1 vote
1 answer
74 views

Is the received SMS from Google with a code genuine?

I just received an SMS, the phone shows that the sender is "Google" it says: .Google (some Arabic) G-123131231 (some code basically). Could this actually be Google? Why was it sent to me?
buga's user avatar
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0 answers
104 views

Pull password.key file without rooting

Is there a way to access the password.key file without rooting the phone? Is there a way of reading the chip without going through the Android security stuff to gain full access?
Jan's user avatar
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1 vote
0 answers
50 views

How do I know what kind of code fix was given to a specific CVE for Android?

Consider CVE-2023-21385 which was discovered in AOSP. In this security bulletin, they mentioned that this issue was fixed. Is there any chance to know what kind of fix was given to this CVE (code ...
Vamsi Shankar's user avatar
2 votes
0 answers
66 views

Permissions: How to deny an app Intent.ACTION_GET_CONTENT

As the admin of my android device, I'd like to configure the device to return a permission denied error to all apps that request Intent.ACTION_GET_CONTENT by default, unless I explicitly give it ...
Michael Altfield's user avatar
0 votes
0 answers
28 views

Set up an Android device to only access Google Docs

I would like to create a dedicated word processing device that can only access Google Docs (and possibly Google Drive) and nothing more. The idea is to configure it to be completely free of any other ...
sparc_spread's user avatar
1 vote
1 answer
100 views

Android App Lock AND see the notification

When using app lock, the notification from the locked apps show as "1 new message" (and not the content) This forces me to open the notification/app to see the content of the notification. ...
Daniel Benedykt's user avatar
0 votes
0 answers
61 views

Locked my phone with "find my device" and can't open it

I have seen this question several times but have not found an answer helpful to me. I am new to Stack Overflow and cannot comment, so I am going to ask it again. I just copied someone who asked the ...
Joseph Del Medico's user avatar
0 votes
0 answers
170 views

How to remove pattern lock In Samsung Phone without data loss?

I have a Samsung Galaxy M12 which I forgot the Pattern lock of it and This has some very important data in it. So, Now I have been running around Internet for the probable solution but nothing worked ...
Alsiro Mira's user avatar
1 vote
1 answer
2k views

Require password to turn off for all Android devices

A relative of mine recently lost his phone and someone turned it off immediately and now the phone is missing. Find My Device was unable to locate the phone as it had been turned off. I have a few ...
prantik bizz's user avatar
0 votes
0 answers
99 views

Power off requires password for all android phone [duplicate]

One of my relatives dropped their phone and someone picked it up and turned it off. Now there is no way to locate it as Find My Device does not show it anymore. I have an Android 12 device and there ...
prantik bizz's user avatar
0 votes
0 answers
72 views

Determining what apps are being used to spy over my screen

I would like to know whether there is a way to determine whether someone is looking at my phone screen while I use my phone. I ask because I once had a pop-up window and granted access, but I don't ...
Joselin Jocklingson's user avatar
1 vote
1 answer
193 views

What all methods can be used for detecting malware on lower partitions where antiviruses cannot reach?

I had bought a used phone from a friend and was facing issues like password changes and media leakage as shown by my other friends so I scanned using antiviruses like Malwarebytes,Kaspersky,lookout, ...
Jagan Natham's user avatar
1 vote
0 answers
84 views

Data protection (making files persist across time)

In this post I am addressing a real issue that Android users may face. Suppose, over the course of my lifetime, I have been storing my files in Google Drive. These, may be important files. Perhaps I ...
Joselin Jocklingson's user avatar
2 votes
1 answer
259 views

Can Outlook Device Policy monitor anything outside of the app?

In order to get emails for work on my phone I need to enable this feature. My worry is that this will allow my employer to monitor personal things on my phone such as my internet search history or ...
Roy K's user avatar
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1 vote
0 answers
196 views

Android stalkerware abilities

I have a Xiaomi Redmi 4 (4X). I just unlocked the bootloader and cleaned all flashed my phone because the stalkerware my friend installed wasn't going away by a factory reset. After some days from ...
Qwert Erty's user avatar
1 vote
0 answers
261 views

How can I unlock the lock screen of my RealMe 9 Pro Plus without formatting device, or retrieve just the storage?

I haven't been able to unlock my Realme 9 Pro Plus phone with the passwords that I remember. And I'm not sure what to do next. I have always found it a bugging issue when my Realme phone asks me to ...
Prak4220's user avatar
1 vote
0 answers
75 views

Lock WiFi settings for the ordinary user with a password

I'm looking for a way to make WiFi settings inaccessible to regular users. For example, locks the WiFi settings with a password, so that an ordinary user cannot turn off the WiFi or log in to a ...
Petr's user avatar
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1 vote
0 answers
152 views

Why the screen lock password no longer matches after using a different disk as /data

I'm using a rooted Android 13 device, and an external SD-card that I mount as /data by editing the fstab. The SD-card is partitioned into few EXT4 partitions, and I can boot with any of them mounted ...
melonfsck's user avatar
5 votes
0 answers
709 views

Why is Google's Play Store suddenly trying to update apps installed via F-Droid?

Historically, Google did not mess with Android apps installed via the open source F-Droid project. Suddenly, however, Google's Play Store is now trying to update apps installed via F-Droid. There are ...
End Antisemitic Hate's user avatar
2 votes
1 answer
345 views

What's the best practice for Google recovery phone?

I have a question about Google account recovery phone. The succinct question is, is it best to have the Google recovery phone set to my single Android device or to use another mobile (non-Google) ...
Droplet5395's user avatar
0 votes
0 answers
53 views

Can a cancelled alarm still switch on the phone even when it's off?

After searching I know that some phones if you set up an alarm then you switch the phone off, it will open up exactly at the time you set it up to ring this is in case if the alarm is active before ...
Stan2's user avatar
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0 votes
0 answers
92 views

Force enable encryption for portable SD card

There should be an option to encrypt SD card (formatted as portable) in the settings, but some manufacturers disable it while some (e.g. Samsung) have it enabled. If that is a built-in Android feature ...
CluelessNoob's user avatar
1 vote
0 answers
30 views

How to add extension Allow CORS in Android Tab Chrome browser [duplicate]

I need to open a website in mobile chrome browser. Its not opening there is CORS issue. I fixed that issue in Laptop added a extension Allow CORS in Chrome browser. When I tried in mobile there is no ...
r15's user avatar
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1 vote
0 answers
174 views

Banking apps disabled in Android SDK emulator

Does the Android SDK emulator run apps with FLAG_SECURE used from Android 12? I have been trying to run different banking apps, which work but crash when I get to the login screen which is flagged ...
Zwiesler's user avatar
2 votes
0 answers
116 views

How to identify which app is creating user credentials in the security settings?

I was going through my Android device settings and found "rsa key" stored in user credentials. There, it says the "rsa key" is for VPN and apps. But I don't use any VPN. How to ...
RandomCookieStealer's user avatar
1 vote
0 answers
40 views

About Data safety section in Play store?

In the "Data safety" section of apps in Play Store, when it shows Data collected: photos and videos or Data shared: photos and videos. What does it mean? Or if some apps do not show it, ...
Zai's user avatar
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2 votes
0 answers
3k views

How does WhatsApp's View Once work? Does it take internal storage for showing the photos, or are they directly showing it from the server?

For WhatsApp's View Once photos, are the photos saved somewhere in the phone's internal storage? Or are they directly shown from WhatsApp's server? As WhatsApp claimed they are not stored in photos or ...
Zai's user avatar
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6 votes
0 answers
276 views

How to disable Unknown Tracker Alerts for specific trackers?

Android warns you of unknown trackers following you without their owners. EG Apple Airtags and Life360 Tiles. This can warn you if someone has planted a tracker on you or your property without your ...
jay613's user avatar
  • 161
1 vote
0 answers
47 views

I can not import IDs or restore my accounts from Microsoft Authenticator - How I can fix this?

Because of a problem I need to import IDs and I entered the 12 words recovery phrase as one long string but I always get error from jwt file say file is encrypted. I tried also to use my main email ...
zac's user avatar
  • 135
2 votes
2 answers
273 views

Prevent play store from installing apps

The Google play store has a line in their TOS that gives them the right to install arbitrary apps/updates without consent of the user. Sadly, some apps appear to require play store to be enabled to ...
sh4dow's user avatar
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1 vote
0 answers
174 views

Android spyware detection

I installed an APK which my friend sent through a link through instagram and as soon as I donwloaded and installed it, it disappeared into the background And she told me to unlock my oem before ...
Tanay Kamal's user avatar
5 votes
1 answer
993 views

How can Phones such as Oppo be vulnerable to Privilege escalation exploits

Oppo (to my knowledge) makes it basically impossible to root, due to locking the boot loader and removing fast boot. So I'm wondering if this changes anything in regards to Privilege escalation ...
Maddox 's user avatar
1 vote
0 answers
61 views

How can I tell what has happened on my phone? Like a log

I'm looking to find out if there is a way to log activities on my phone, like something that tells you something was uploaded, downloaded, installed, SMS sent, number called, etc., anytime the phone ...
lilrookeyarookie's user avatar
1 vote
0 answers
222 views

How to get avc logging ( selinux ) in Android working?

I am on Android 10. Whether I setenforce 0 or 1- I cannot get avc ( aka SeLinux ) errors logged. I checked ramoops files also and its ditto. root@m20lte:/ # setenforce 1 ...
user1874594's user avatar

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