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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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2 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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1answer
34 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
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1answer
60 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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28 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
52 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 ...
3
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1answer
69 views

Android Messages Permissions

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
80 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
15 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
50 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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0answers
44 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
33 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
12 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
48 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
67 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
21 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
38 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
29 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
24 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
43 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
162 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
111 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
78 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
92 views

Secure wipe and file shredder apps do not work

I'm trying different apps that claim they securely erase files and/or securely wipe free space on your phone. None seems to work on my phone so far. I wonder if it is just with my phone (rooted). Does ...
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0answers
49 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 ...
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1answer
55 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
96 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
335 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
69 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 ...
2
votes
1answer
108 views

File-based encryption security and backup/restore considerations

I'm evaluating making the move to file-based encryption on my device, but am having trouble finding satisfying answers to the following questions: Apps can place data in either a Credential Encrypted ...
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1answer
33 views

Where are LineageOS nightlies compiled & Who has commit rights to the codebase?

A] Where are LineageOS nightlies compiled? 1) Are they compiled on maintainer's machines 2) On a project controlled build farm? 3) Pool of contributed (random) machines? B] Who has commit rights to ...
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1answer
77 views

Is there Malware on LineageOS that causes to receive SMS Spam

I never get SMS text spam on my phone. Installed Lineage OS on a Samsung Galaxy S4 mini phone. I installed TWRP and LOS both from official website (not various links on google or XDA). Installed F-...
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1answer
22 views

Using open-source ROM and social network activities

If you install a open-source ROM on your android. Can still an invisible rootkit (from manufacturer) monitor your tweets Invisible means being invisible even in USB connection
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0answers
50 views

How to know when my smartphone is EOL?

Long story short, I have been under the impression that my Samsung S5 had still been receiving security updates even though I was aware it wouldn't be getting any major Android updates. One Google ...
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1answer
25 views

How can i safely clean up my phone for selling

I am getting rid of my Samsung S 8 and need to reset to factory settingsHowever in the list of personal it tells me i am signed in to yahoo amongst others .Are my emails safe if Yahoo and others ...
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0answers
108 views

Lineage OS — Phone still spying on me?

I switched from Android to Lineage OS, and I installed the most basic Gapps package possible, called 'pico', to get the bare minimum requirement for the Google Play store. I then manually disabled ...
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0answers
11 views

Can the power supply to a phone component be shut off?

Whether it is via an already known software or a possible developer command, is it possible to shut off the power supply to a part of an Android device, for example to the camera to prevent spyware ...
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0answers
25 views

My J5 flashed automatically for the the second time!

I have a Galaxy J5 2016 (SM-J510F). Rooted and updated to Android 7.1.1 about one year ago. Weeks ago while I was in bed and reading some news on Telegram app suddenly the front LED flashed. In a ...
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0answers
28 views

How to enable back decrypt button on Nougat+ on adb?

I tried on Samsung phone but there no choose like that special when you by new phone its encrypted by default, also I tried to root my Android Nougat without wipe /data wish encrypted no luck it show ...
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0answers
29 views

What are the specific, technical Android One “security protections?”

The Android One marketing material declares "Security protections are built into every layer of your phone experience, so your device stays safe, fast, and performs at its best." It names "Google Play ...
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0answers
28 views

Secure device while giving for service

I want to give my mobile device for servicing. The service personnel asked me for the pin code. I have lot of personal data in my device I don't want to leave it open for them. Is there a way I can ...
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0answers
36 views

How can I stop my HTC taking a picture every time I unlock the screen?

My U Ultra recently froze and restarted. When it started, a lot of the settings were defaulted and now it takes a picture every time I unlock the screen - be it via the fingerprint scanner or via ...
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0answers
88 views

How does one remotely brick a device?

Say I'm a employee at X brand with a prototype device and on a closed alpha android, is there a way to remotely brick the device? Around 2012, this question had been asked before.(Remotely brick a ...
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0answers
63 views

A foreign device has logged my account and used it for its settings

I lately came back after long stay in China. A few days ago strange things started happening in my Samsung S7 device and I decided to reset it to the factory settings. When after reset I started the ...
3
votes
1answer
86 views

Can application be installed on an Android phone without confirmation, just by visiting or clicking links on page?

I went on putlocker and then got some popup saying something about system error and then another one like this: At that moment I turned off my phone. But before I got to the screen above, I think I ...
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0answers
166 views

Mi A1 May Security update error

Mi A1 security update has been released this week. But I can't install it. In step 2/2 I get an error saying that it's impossible to install the update. Is there any way to manually do the ...
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1answer
29 views

Is Google Photos synchronisation secure on public wifi

Can someone (owner of public nw or intruder) perform man in the middle attack and steal the photos while they are getting synced over public wifi? Assuming they don't have any control on my cell phone,...
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0answers
87 views

How to stop apps from self installing

I have a problem for quite some time now. An app called xeroxservice which does not have any icon except that of apps like Google framework etc keeps downloading and installing itself without ...