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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 ...

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28 views

Are non-Google emails stored only locally when using the Gmail app?

The Gmail app allows to add non-Google email provides (via POP and IMAP). Is it mentioned somewhere that the emails pulled from these providers stay on the device and are not stored/shared with ...
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0answers
12 views

Working with Security Metadata in APK file

According to this Blog post, Google has added a Security Metadata on top of an APK to verify that it was originally distributed by Google Play. More specifically it adds APK Signing Block to the APK ...
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0answers
20 views

Passwords and synchronization

I have changed passwords and find them in password manager. Ben in try to login I am told passwords are invalid. Google cuts me off of YouTube music or other apps.
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0answers
21 views

Can a tracking software be flashed to the ROM?

Assuming to have a rooted phone (and not caring of loosing warranty), what could be flashed to an Android device ROM? I see tracking apps on Android being not so useful since they won't work when: ...
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0answers
79 views

How to check on backdoor application from Google Play?

Lately I was downloaded application from Google Play to manage some confidential data. I'm worrying does this application can be compromised. I suppose compromised application or with backdoor can be ...
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0answers
27 views

Why Clock app has User Data set to such high amount?

I am on Android 9 (Oxygen OS beta 5), my Clock app uses strangely high amount of User Data i.e : 129 MB, why is that? Screenshot: Should I be worried?
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0answers
20 views

Enable IPSec on Android configuration

My goal: I need to enable IPSec on Android. So My Question here is: I want to know what is the difference between configuring IPSec on Linux vs configuring IPSec on Android, if any? (If possible, I ...
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0answers
44 views

Enable IPSec on Android

My goal: I need to enable IPSec on Android. I want to know how to configure ipsec-tools/racoon properly on android. So My Question here is: I want to know what is the difference between configuring ...
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0answers
36 views

How do I ensure that my android phone is encrypted?

Basically I want to be able to do two things Make sure my data is well encrypted. That is. Even if FBI got the phone they can't see anything in it. Privacy. I want to ensure that the android is ...
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0answers
12 views

decrypt remember password from android pdf reader

Firstly, i have an local books selling app that can buy many local books.if you are rooted, you can extract pdf easily.But problem is that books are protected by password 128 bits AES(cannot recover) ....
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0answers
26 views

Security related concern for my android phone

i purchased an android mobile and had my google account set up but the device later went faulty and would not turn on, so now I got the same brand phone exchanged. meanwhile I have also set up my ...
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0answers
13 views

Make Google Pay require unlocking for NFC payment?

I have installed Google Pay and NFC credit card payment is neat. However, I don't feel safe about it. What if someone snatches my phone, then pays with it before I notice, or after I notice but before ...
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0answers
45 views

In Android, got click-jacked into clicking “Allow” for a pop-up that flashed for 0.1 seconds. How do I find out what I allowed?

In Android, I was using Google Chrome. I clicked on a sketchy website which popped up a new chrome tab. I pressed the tabs button which caused me to view the various tabs. Right as I was clicking on ...
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0answers
25 views

Create a private folder in Android: set the SELinux attribute of a folder in external storage

There are quite a few apps that require read and write access to the external storage, which gives them access to the whole /sdcard directory. But since that is also the only storage the user ...
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0answers
18 views

Popping certificate notification of arubanetworks.com

Whenever I use certain public wifi-network on my Android Nougat I get this pop-up about certificate security. Even deleting the account from email client didn't help, it seems it relates to system ...
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0answers
23 views

KitKat exploit for reading fils in /data

My Motoroa Droid MAXX is running a version of Android that has no rooting method. All I want to do is read Chrome's backed up file of tge list of open tabs. Does Android 4.4.4 have any known ...
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0answers
33 views

How do I prevent a thief from Hard Reset or Flashing a new ROM to my phone?

My Android phone was stolen a year ago, so now with any of my future phones, I want to istall armour plated security on it so that if any thief gets their monkey hands on my phone, it is rendered ...
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0answers
365 views

When I click “enable secure and erase” in Find My device it says “request sent”, but nothing happens

I'm trying to enable remote locking and wiping for a phone. When I go to https://www.google.com/android/find and click on “enable secure and erase” then it says "request sent", but I see nothing on ...
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0answers
142 views

How can I disable screen lock disabled by device administration app

I have outlook account configured on my android which need administration access. It enforces me to have pin or password lock and does not allow no lock and pattern lock. Is there way to use this ...
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1answer
33 views

How to disable sending all sensible information to the cloud?

Recently I found, that my Samsung Galaxy S7 was sending all my photos to Samsung without my explicit permission. I would like to ban any such activity from any application. Is it possible to do this ...
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votes
1answer
41 views

Does syncing gallery means sending all photos to internet?

I found with fear, that my Gallery on Samsung Galaxy S7 was set up to sync with cloud by default. Does this mean, that all my photos, including secret ones, were silently sended to Samsung??????
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votes
1answer
673 views

How to Disable FLAG_SECURE without root?

I just realised the only way to bypass screenshot security on certain apps is to disable this FLAG_SECURE, which as I see can be done using Xposed module. But I don't want to root my phone. Is there ...
2
votes
1answer
185 views

WhatsApp: How to isolate contacts and photos - Privacy concerns

Whatsapp is ubiquitous and is commonly used despite the long scary list of permissions it seeks ( see Help understanding Whatsapp's permissions ) Privacy and security conscious people would like ...
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0answers
36 views

Security - Samsung official service forces ROM reflashing after battery replacement - how can I make sure that the ROM is 100% clean/stock?

I have a Samsung Galaxy S7 whose battery got a little bit worn. I want to replace it under warranty, but I'm a bit reticent because the official Samsung service will also reflash my ROM/firmware/etc, ...
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2answers
108 views

Are device administrator permissions a security risk?

I would like to use t-igra's SwipeLock+ app, but it requires device administrator permissions. Google Play Store lists the following permissions: receive data from Internet view network connections ...
4
votes
1answer
121 views

How does an app reads an OTP SMS without SMS permission?

I have recently installed an Android app from the Play Store. While registering in it, I realized that it was able to read my message of OTP without even asking for my permission to read the message. ...
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2answers
242 views

How do I remove Trojan horse virus from my android smartphone?

There is a virus in my android phone named com.wgjvp.idck and I tried every possible solution to remove it but couldn't find any solution. What I did: I hard-reset(factory-reset) my phone twice but ...
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0answers
18 views

Is there a way to only allow certain certain users to access the ADB of my device?

We have an Android tablet that we use for debugging at our office with the ADB over the 5555 port on 24/7. Since the device is always on, the IP is does not change and can be accessed by anyone who ...
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0answers
60 views

Does Google has a page where they show when an Android version isn't supported anymore?

We are in doubt of supporting a device running an older version of Android. I looked everywhere on the internet, but there seems to be zero information from Google how long they will make security ...
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1answer
71 views

Prevent google backup of contacts?

I have Google backup turned off permanently, however my contacts are still backed-up somewhere to Google cloud. I discovered that yesterday from another device that offered me to recover my contacts ...
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1answer
39 views

A way of doing secure data exchange in Android?

To my knowledge, all current Android apps with internet permission enabled are prone to apps stealing data. For example, if you have a messaging app, all your messages are readable by the company ...
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0answers
14 views

How to delete-protect a folder itself but not the content in sd card stalled in android

Say I have an SD card mounted in android 6+ run mobile phone (samsung j2-2016). In the SD card I have folders created based on themes e.g. documents, videos etc. Each of these folders have further ...
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0answers
53 views

Can a Whatsapp account be spoofed?

I've had a big privacy concern lately regarding the safety of my Whatsapp account. Ever since my phone was stolen from me and returned by certain malicious individuals, I've had the weirdest feeling ...
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0answers
32 views

Using only w-ifi without cell network or data

Is there a way to get text messages even if you aren't near a cell tower of any kind and only have wi-fi. As far as I can tell, I doubt you can't make use of wi-fi calling without using some text ...
4
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0answers
87 views

Android phone lost, Data wipe after password change

Here's an urgent situation regarding phone robbery: My android phone (note 8) gets robbed and as far as i know it has not lost its way to some general person. It was robbed by force, so people ...
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0answers
22 views

Can a virus in my pendrive be potentially harmful to my phone after connecting the pendrive via OTG?

I have virus in my pen drive (later detected by antivirus in PC) and i used it in my android phone (Oppo F1s) through OTG before removing virus it can be harmfully for my phone?
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1answer
41 views

Toast message: Failed to init Google DNS, switch to host IP method

Recently, after unlocking my phone screen (Samsung J7 Pro - J730, stock ROM, Android 7 Nougat), I usually receive a toast notification saying: "Failed to init Google DNS, switch to host IP method". I ...
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0answers
26 views

What are the possible security issues when you're rooted? (not for apps but while browsing) [duplicate]

when flashing a good custom rom, will you have more security issues? in what way?? does this mean that lets say you had a pixel or a galaxy and you browsed a site with pornographic content or an ...
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0answers
38 views

WIndows Antivirus reports Arp Cache Poisoning Attack by Android device

A Windows computer running ESET reports Arp Cache Poisoning Attack by the IP of my android phone. It's Redmi Note 4, MIUI 9 Global Stable, Android 7.0. I scanned it with Avast, Malwarebytes, MIUI ...
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0answers
39 views

Find Your Device doesn't lock/erase or indicate it will be completed when phone is online

I don't believe these exact questions have been answered, so would appreciate your help! I lost my Samsung Galaxy S8 while it was on airplane mode. I have been checking Find Your Device frequently, ...
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0answers
69 views

How do I stop my child installing apps via Google Play's web interface?

For various reasons (probably because I'm not a very good parent :-)) I've needed to use applock by Domobile Lab to prevent my 14 yo from putting viruses on my android phone from Google Play putting ...
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0answers
50 views

How can I install multiple apps/updates at once without approving each one separately?

I use the APKPure site application to obtain updates for my installed Android apps. When updates are available - sometimes dozens at a time, I get multiple installation approval screens, and have to ...
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0answers
427 views

Device won't boot - Shows g.co/ABH secutiry error

Device is a pretty much new LG V30 from verizon, running android 8. I have done pretty much nothing with the device yet. No root, no tinkering, nothing. I accidentally accepted the software update ...
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5answers
159 views

Disable harmful app

System update shows "disable harmful app", but it keeps coming up. I have a Micromax Canvas Infinity HS2. What can I do?
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0answers
86 views

How do I sign in to google without compromising password?

I've got a Lenovo Solo VR headset. I've got a long, randomly generated password for my google account that is pretty much impossible to memorize without an eidetic memory. If you remove the goggles to ...
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0answers
57 views

Accessing call logs even when phone is locked with password Android 4.4

There is a phone that I have to have access to. Its a phone that has important information in it. The owner cannot be reached to give us the password. How can we access the phone call logs without ...
0
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1answer
62 views

How to lock android tablet for web browsing only?

Im developing a web app for some clients and Im going to lend then an android tablet (one of those cheap chinese non-brand tablets, pretty easy to manipulate) and Im kind of new into android so I want ...
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0answers
197 views

Resurrection Remix is stuck at the encryption screen

I have a Motorola Moto G4 Play phone. I flashed Resurrection Remix 6.1 official build (based on Oreo) and TWRP 3.2.1. Then, I installed Magisk and allowed the root for apps (inc. terminal emulator) ...
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1answer
506 views

Ads security issue affecting all Android system

for a couples of day I have noticed that there is a strange behavior on my Android phone device. and I think it is a global problem. I have noticed that some Ads appears in the screen in whatever app ...
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0answers
121 views

Why can I receive reset my password email but can't receive my security code from Instagram?

Why did Instagram itself create spelling mistakes in my verified email so that I can no longer receive a security code? I have my username and password, and I've received security codes many times in ...