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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1answer
18 views

Why can't I change my password in system settings? Nexus 6p Resurrection Remix Pie

After entering the wrong password too many times in VPN settings, I can't enter my password in settings. Whenever I do, I get sent back to the previous page. I can't even change my password!
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1answer
19 views

My android phone is often getting affected with virus

My problem : Hello friends. I use Asus zenfone go T500 android phone. My problem is, my phone often gets affected by some kind of virus which sometimes installs some chinese apps without my knowledge ...
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2answers
5k views

How can I tell if my International Galaxy S3 is suffering from Sudden Death Syndrome? If it is, how can I fix it?

I have a 16GB International Samsung Galaxy S3 (XEF) running the latest firmware, 4.1.2 (yes, the Premium Suite update, I was thinking that this would've fixed it but it seems not) with baseband XXELKB....
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3answers
2k views

How can I block all incoming connections to my phone?

Ok, so maybe I'm just a lil paranoid lately, but I'm trying to block any - and ALL - connections to my phone. PERIOD. I have the paid version of Android Firewall. If I select Black list from the drop ...
2
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1answer
13k views

Is there anything malicious with play support libraries?

I was doing my daily stuff on my Android Nougat. And then something started downloading, play support libraries. I think OK right. But the moment downloading stopped, and installation started my ...
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2answers
744 views

How to lock some parts of Settings?

My android device is rooted. Like other android devices, there are many sections in Settings Menu like Wireless & Networks Device Personal Accounts Systems And in all above sections, there are ...
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1answer
38 views

Android : how to remove the downloaded android update

I have a securities concern. I installed a VPN software on my android and just after (the next day) android asks me do install an update (that is already downloaded via the VPN). I don't fully trust ...
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0answers
32 views

Set off alarm in Walgreens and CVS

When I walked into two different drug stores, I set off a store alarm. The cashier at Walgreens said that it could be my phone setting off the store alarm when I walk in the door. Is that possible ...
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1answer
847 views

DLNA device is requesting access to media files on your phone

I got home from the airport today and I keep getting this "Grant access" pop-up ... Did my phone get hacked? Did some device in my house get hacked? Or am I just paranoid?
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1answer
4k views

Is Spyboy Android App Safe?

I am interested as a security enthusiasts, to know if anyone has any experience with the app SpyBoy? Does anyone know anything about the legitimacy of the downloads available within the app? What ...
23
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3answers
54k views

List of open ports on Android

Is there a way, on a non-rooted Android device, to see a list of what apps are listening on what port? Or even a way to see if an app is listening on a specific port?
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0answers
20 views

How to find which app is requesting any website or API and which android permissions they want?

I want to find that is there any app is available for finding that app is requesting for any website or the API for finding data? Along with that is there any way to find that how many android ...
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1answer
747 views

Tasker: remove security lock when smartwatch is connected

So I just downloaded Tasker because it would be nice to remove the security code when I'm close to my phone (when my smartwatch is connected). I have no experience with it so I thought you guys could ...
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0answers
33 views

How can i use orbot(tor) with adblocker same time without root?

I want to get more internet privacy on my android phone. Im using tor to protect my traffic from MITM attacks by ISP,Goverment... But Orbot have no adblocking feature. Advertisers are tracking our ...
62
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4answers
55k views

How can I verify the authenticity of an APK file I downloaded?

The latest update of Google Maps is unavailable in my country, so I downloaded a version by googling for "Google Maps 5.4.0 apk". I did in fact find it, but now I wonder how I can tell if this is in ...
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1answer
64 views

How do I get a hacker out of my phone?

The other day my phone number was added to my Google account, data was turned on and off. Different things have been happening. I have a LG V35 and it has an LG VPN section and when I check the log. ...
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1answer
56 views

Is There A Mobile Hotspot App With A Firewall to Block Incoming Connections?

I've been using the Android mobile hotspot to get an Internet connection while traveling. The stock hotspot is fine for my laptop which is firewalled, but there are a few devices (smart TV, game ...
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1answer
33 views

Always require PIN to unlock device

Is there any way to always require the user to enter the PIN (instead of fingerprint) to unlock the device? It seems that as soon as you add a fingerprint to the phone, now it no longer requires the ...
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0answers
2k views

What is gf_otp_info file?

Is the file gf_otp_info safe or it is a virus? The file is located in the file system. Should I remove it or is it fine?
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1answer
925 views

How can i hide an application?

I want to hide some applications from other people who have access to my phone but be able to get to the application whenever I want. I don't want locking. I need it to be not seen on applications ...
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2answers
1k views

How can I block incoming connections?

I've been looking for a firewall app for Android for a couple hours now and all I could find is apps that only let me block outgoing connections (for specific apps). Is there any way to set which ...
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0answers
19 views

I found apps that I have not installed. How can I investigate this?

There are 6 apps on my phone that I haven't explicitly or implicitly installed. Most likely they were installed today, as they happened to get on the first screen/page, so I immediately noticed them. ...
3
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1answer
1k 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 ...
9
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1answer
41k views

What is Google Partner Setup?

What does the Google Partner Setup app that is pre-installed on almost every Android device actually do? Why does it need each of those intrusive permissions, especially the Phone permission? Why ...
3
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1answer
1k views

How can I share my bug report with Android devs?

I just learned about the ability to capture a bug report at will. I don't see it properly documented on an official Android web site, so I'll describe it here: After reproducing the issue, navigate ...
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2answers
1k views

How do certain apps record everything we type in android?

Certain apps like Type Machine claim to be able to record everything you type. You have to install it and activate it from the device's accessibility settings, then it can somehow record typed text. ...
14
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1answer
17k views

How to export SSL certificate from Android, Chrome

I have a Nexus 5 with the latest Android 4.4.2. I'm registered on using Chrome . They use client certificates to authenticate the user. I installed the certificate and could successfully use the site ...
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1answer
71 views

How do I prevent my phone from restarting after a System Update?

Phone: Mobicel TRENDY_LITE Android: 8.1.0 For about two days now, I have been receiving many Security and System Updates. Every time an update is ready, my phone restarts without permission. After ...
2
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1answer
221 views

Why reading permission to /proc/1/maps is denied and why doesn't the denial appear in logcat?

I'm developing a native app for Android, and I'm occasionally confronted with permission denied which doesn't trigger a log in the logcat logs. For example, trying to run: shell@kltevzw:/ $ cat /proc/...
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1answer
79 views

Remove the lock for the app

I installed one particular app two months ago. When I opened it the first time, a popup opened with a suggestion to enable the screen lock pin. And I enabled the screen lock. From that time whenever I ...
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0answers
14 views

how to disable pattern lock to open apps

i am having to draw a pattern to open my apps. And it's not just Google apps either. I didn't set this (to my knowledge) and want to disable it.
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0answers
33 views

PIN to unlock phone, fingerprint only for specific apps

Android 8.0, Moto G6 I set up a fingerprint yesterday to use to unlock specific apps in lieu of a PIN. I still want to use a PIN to unlock my phone and only use the print for specific apps (to unlock ...
2
votes
1answer
46 views

Are multiple-users protected from each other differently than apps?

I confess that I come from the happy world of unix computers, and am used to the concept of user accounts and hence group gids and userids uids. For the occasional usage of an untrusted app (i.e. ...
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0answers
151 views

How to create Android sepolicy based on the denial “execute_no_trans”?

I am trying to execute my script /vendor/bin/init.inmod.sh using below method: Script init.inmod.sh: #!/shebang??? /vendor/bin/test_disp hdcp disable In vendor specific .rc file: on ??? start ...
2
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1answer
410 views

Add second trusted voice to Google Pixel

Is it possible to add a second "trusted voice" to my Google Pixel so that a second person can say "OK Google" to unlock my phone? I would like to do this so that my phone can act like a substitute for ...
3
votes
1answer
2k views

How can I trust ROMs?

My device is a few years old (it's a Wiko Ridge 4g) and the last official update was Lollipop 5.0.2. This means I can't get security patches anymore, and the recent Meltdown and Spectre attacks made ...
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0answers
2k views

How to Decrypt Huawei Safe File?

I am using Huawei Nova 3i and I have forgotten my password for File Safebox. But here I can see all my files encrypted. It would be great if I can decrypt them so that I can get back all my files. ...
2
votes
3answers
19k views

Blocking 'Android System,Battery Warning,com.media tek,Common Data Service…' from connecting to the Internet

I am using NoRoot Firewall to block Internet access to some apps. It recently notified me that this/these app(s) are attempting to access the Internet: "Android System,BatteryWarning,com.media tek,...
0
votes
1answer
497 views

Allow android chrome to load unsafe scripts

When any site has mixed content (HTTPS + HTTP), and when you try to open HTTP content, on Desktop chrome, it shows a "shield" icon like screen below, This allow user to load unsafe script. However, ...
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2answers
31 views

Logging off viber account on my stolen phone

I lost my phone last Friday, May 31. I was able to get already a replacement SIM card for me to use the same no. again for my new phone now. My Facebook was already hacked yesterday since my FB app in ...
0
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0answers
305 views

App Installation “blocked by your IT admin”? (Galaxy Note 8)

I use YMusic to listen to music/audio books, which is an outsider app from xda-developers. When I tried to install an update, I got the message below, as if YouTube is preventing me from installing ...
0
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0answers
31 views

Preventing Google Account logout

On an iPhone, I can effectively prevent somebody from signing out of my iCloud account using the parental controls (disable Account Changes, and then require a pin to re-enable). Is there an ...
4
votes
2answers
9k views

Security risks in case of activation of developer options

Is there is any security risks if I enabled developer options in android phone (by clicking 7 times on build number)? Are there any risks when this option is showed in menu but switched off by toggle ...
1
vote
1answer
2k views

ActiveSync/Exchange security policy

On my HTC DNA I recently changed from the integrated ActiveSync client to Touchdown. My corporate IT policy required a PIN to access the device when using the Android client. Now that I switched to ...
1
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0answers
25 views

Can not select secure screen lock option on Samsung Galaxy s8+

I am trying to set my screen lock to pattern/pin/password but it reverts back to a non-secure option (swipe/none). I have tried: Clearing cache Clearing credentials Removing Nova-launcher I'm all ...
0
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1answer
28 views

Cannot add “Amazfit Bip” watch as a “trusted device”

I've got a ZTE Axon 7 phone, and it generally works fine. I also have an Amazfit "Bip" watch, and I've successfully paired it with the phone via Bluetooth. However, when I try to add the watch as a "...
0
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0answers
13 views

Missing authentication options on a secondary user account

I created a secondary user on a Huawei P10 running Android 9. I notice that this secondary user misses some authentication features in the Security/Confidentiality settings. Although fingerprints ...
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0answers
71 views

Are Android PIN and Password being stored in the same file?

I'm curious about where the PIN is being stored in Android OS as I could only find out that the password is stored in a file named password.key in /data/systemdirectory. However, I could not find the ...
3
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1answer
3k views

Prevent USB data transfer (when phone is in use) and being charged

I would like to know how to protect my data when I use public battery charger in public places. I know that if I do not unlock my screen when charging, my data is safe, but what if I would like to ...
0
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0answers
11 views

How do you stop Android/Chrome from saving usernames?

I did see an article about telling Chrome not to save passwords, but this question is specifically about usernames that get saved in auto-complete.