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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5
votes
1answer
138 views

Is my device vulnerable to the SwiftKey update bug? (June 2015)

Quoth The Independent: There are usually protections in place that stop hackers from performing what is called a “man in the middle attack”, by encrypting communication with the server, as well as ...
1
vote
2answers
17k views

“Unauthorized actions have been detected. Restart your phone to undo any unauthorized changes.” notification on Samsung device

I have a new Samsung Galaxy A3 that keeps on giving me a security notice saying Unauthorized actions have been detected. Restart your phone to undo any unauthorized changes. How do I stop ...
0
votes
1answer
98 views

How to retrieve data from vault android app

I am using vault android app for hiding my secret data. Unfortunately i have moved every things in Internal memory to External SD card. Now I am able to see my secret documents,photos and videos while ...
0
votes
1answer
78 views

Can't change security settings due to VPN setup

This appears to be a duplicate of this post, but the solution there didn't work for me. Clearing the credential storage wasn't even an option -- it's greyed out. Starting at the beginning -- I ...
1
vote
0answers
193 views

Granting device admin previlage to email account

I am connecting my gmail app(or any e mail application) to my office e mail using exchange. It asks me to add the mail app as a Device administrator for my phone. So that it can Erase all data,Set ...
0
votes
0answers
101 views

Options for Stolen Phone

With an iPhone, you tie your phone to an iCloud account - it happens at the bootloader level. If your phone gets stolen, the thief can't do anything until the previous owner releases the phone from ...
19
votes
3answers
1k views

When selling your phone, what steps should be taken to make sure that all personal data has been removed?

I am getting rid of my Samsung Galaxy S4 and want to know what steps I should take to make sure that private information has been deleted from the phone. I have removed the SD card and cleared all of ...
1
vote
3answers
2k views

How is my friend bypassing Applock application

I'm using moto x 2nd gen, I recently installed applock to keep some apps private but one of my friend knows a way to bypass the password and even change it, he did the same even with pattern lock. He ...
7
votes
2answers
9k views

Apps install on their own

Every night for the past few days my phone installs a new app that I never saw/wanted/heard of before. It all started with AppCaster (Which I never installed on my phone, it just showed up one ...
2
votes
1answer
110 views

Track down what is putting icons on my desktop

Starting in the last week, something is putting icons on my desktop. I've not installed anything new on this phone (Android 4.2.2) in at least 2-3 weeks (and anything that was installed has been ...
1
vote
2answers
973 views

How to recover data from a screen-bricked phone?

Situation I've got a Samsung Galaxy Fame with a broken touch screen. The owner had it protected with a pattern, and as I am unable to make this pattern with a broken screen, I cannot mount the ...
3
votes
1answer
1k views

Does Wunderlist store data in the server in encrypted form?

How secure and private is Wunderlist? For example does it only transfer data in encrypted form but stores it unencrypted? I would like to be able to store passwords relating to work on my phone but am ...
0
votes
2answers
2k views

Completely disable hardware and software buttons

I want to completely disable the three on-screen buttons (Back, Home, Recents) and any other hardware button. I am aware that I cannot do this from the application since that would be a major security ...
3
votes
1answer
233 views

How to securely/permanently delete sensitive information on a Galaxy S5?

My S5's screen died about a week ago and as a result the phone will be getting swapped. It has some pretty sensitive information on it (such as numbers, credit card info, photos, etc.) that I want to ...
6
votes
3answers
2k views

Android Password Recovery + 2 Step Auth. What happens?

I recently enabled two-step auth for my Google account, and I'm happy to say it works fine. However: Application specific passwords, like for Android are temporary, and the guide makes it obvious ...
0
votes
3answers
2k views

Factory reset (including USB storage) prompts for password after I already typed it in

I went into Settings->Privacy->Factory reset and checked "Format USB Storage". Then I pressed the button to continue and it prompted for my PIN (just numbers) as usual. Then it said it was formatting ...
2
votes
1answer
3k views

How can I encrypt my external SD card on Android?

I want to encrypt or password protect on my external sdcdard. Thus whenever I remove my ex SD card it will not allow to show any of its data without password, even if it is inserted in Computer. Is ...
8
votes
2answers
36k views

How to unlock device when I forgot my password?

I've read Recovering from forgotten lock pattern which states that there is an option to disable the lock using my Google account information. However I did not noticed such an option when I entered ...
2
votes
1answer
173 views

Modify 30 second incorrect PIN delay

How can I modify/disable the 30 second delay after trying the incorrect PIN 5 times? Device is a nexus 7 rooted running SmoothRom 4.4
28
votes
3answers
25k views

How do I get rid of “Network may be monitored” in KitKat?

Ever since I've installed my own CA in the key store I'm getting warnings that the network may be monitored. Well, I guess that's a valid warning if I don't trust these certificates, but I really ...
0
votes
2answers
138 views

How to understand app restrictions set by developers

So I was just looking at are very standard app, - Bank of America and Ally Bank. none of these apps showed up on Google Play Store and in my list of devices they indicated as being incompatible . So I ...
1
vote
2answers
180 views

Malware installed with remote debugging

Is it possible for someone to install apks without you noticing, using remote debugging? (E.g. over TCP/IP, or on the same WiFi network). I found articles referring to this after a quick Google, but ...
0
votes
0answers
66 views

Mysterious Wifi traffic questions - Malware/eavesdropping?

everyone - I'm having some suspicions of malware infection on my phone. I have around 150 Mb unaccounted for by the built-in tracker on Android. Is there a way I could diagnose that? I have scanned my ...
0
votes
1answer
37 views

I can't modify Security settings of OS

After a reboot, I cannot configure my normal VPN connection, nor modify some Operating System security settings. What can prevent me from making changes to security settings? Malware?
0
votes
0answers
36 views

Traffic logs on android

Very noob question here, but I was wondering if there is a simple way to look at how much traffic I've sent or received on android (not rooted, no specialist apps installed for it). I burned through ...
7
votes
3answers
3k views

Is there an Android calendar with limited security permissions?

I've just bought an entry-level Samsung Europa, running version 2.2. I'm technically-minded but new to this OS. I'd like to find a calendar that runs in limited security permissions, so that my ...
1
vote
0answers
82 views

How does the smart lock feature on Android define a trusted device?

The smart lock feature on Android allows someone to set a Bluetooth device as "trusted" which makes it easy to unlock. See for example: https://support.google.com/nexus/answer/6093922 I tried to add ...
0
votes
1answer
3k views

Wipe data on wrong password inputs

I've found several obsolete answers, but this question about situation nowadays: What's the most robust solution to have the device (Android 4.2-based) protected? Turn on device encryption (there ...
0
votes
0answers
291 views

How to break Android OS security and root a phone, manually?

Not only that one click applications don't work on my phone, I want to DIY root my phone. Upon googling for quite some time, I couldn't find any updated guide. I am willing to write one myself, but ...
0
votes
0answers
77 views

Found this amazing app on playstore, but how secure is it?

Today I came across a app on play store called RLWatcher. It is an amazing app which could come in handy in a lot of situations. It lets the user remotely sense movement, sound or even just the ...
0
votes
1answer
834 views

Disable long press home button

how can i disable or set password on long press home key button on smart phone. as you know with long press of home button, the running process (like sms, gallery, internet explorer,...) will be shown ...
0
votes
0answers
8 views

limit the installed application access to the SMS , wifi, internet [duplicate]

while a new software are installed on the android phone , it may ask permission to acccess the gallery, sms internet and some whare like that. Is it possible to control and limit the apps accesses ...
1
vote
1answer
295 views

what are iss-realsec ,nrpe ,cbt services and are they good?

I am playing with nmap command and for testing using my Lenovo A6000+ phone. When I have scanned its IP with nmap command , its gave me a bit strange result which I am not familiar. Could somebody ...
2
votes
0answers
1k views

Smart Lock not working, is it due to Outlook?

I have a Nexus 6 with Android 5.1, kernel version 3.10.40-geec2459, build number LMY47D. When I first started using the Nexus 6, Smart Lock worked. After a while it stopped working. If I open the ...
0
votes
1answer
147 views

How to reverse a wipe request for a stolen phone

my phone was stolen two days ago and magically found its way back to me today. I activated the wipe function for when the phone is turned on. I'm being told that it hasn't been switched on yet so ...
2
votes
1answer
107 views

Shred an internal or system partition

There are quite a few apps that lets a user delete the media or data partitions so it won't be recoverable - by re-writing "junk" data over and over again on the free storage space. Still, is there ...
8
votes
4answers
18k views

How can I disable or password protect my device's 'factory reset' function?

Is there any way to prevent a factory reset, like password protection? I would basically like to protect my phone from resetting if it gets stolen.
22
votes
2answers
11k views

What do Android application permissions mean?

When installing an application, the application lists permissions that it needs to perform its functions. I am creating this list of the the system defined permissions and a description of what ...
-1
votes
2answers
3k views

Security: how to prevent USB mounting of mobile device

I am running Android KitKat 4.4.2 on a Samsung Galaxy SIII Neo. As a security measure I would like to prevent my Windows 7 operating system from mounting my Android device whenever I attach a USB ...
3
votes
0answers
182 views

Does Android's implementation of SELinux's MAC inhibit apps with root privileges from accessing other app's data?

Starting with Android 4.4, SELinux's MAC is enforced. Does this mean that if an app somehow can get installed and exploit the kernel to get root privileges, that MAC will still prevent that app with ...
0
votes
0answers
55 views

Hard Reset on a Locked S4 with a Broken Screen?

My Galaxy S4 LCD is broken and I'm sending it in for a new phone. I'd like to hard reset it to wipe it, but my screen does not show anything, and Kies will not allow me access to it because it is ...
0
votes
2answers
907 views

.htaccess protected HTML5 videos not playing

I have videos in a directory which is protected through .htaccess. I want to deliver the videos by means of the <video> tag. Here is an example: protected video Use test/test to login. ...
1
vote
0answers
878 views

Browser's webview.db doesn't store Hotmail password, but it can still auto login. Why?

On my rooted Galaxy Nexus 4.1.1, stock browser doesn't store any password for Hotmail, but whenever I open Hotmail, it logins automatically. I checked data/data/com.android.browser/webview.db, the ...
4
votes
1answer
341 views

Can an app run code if you don't open it?

Can an app run code if you don't open it? As part of this question, the topic of an app downloading data without ever being explicitly opened by the user was mentioned briefly. It got me thinking: ...
1
vote
1answer
473 views

How to encrypt an external SD card natively?

There are several questions regarding the possibility to encrypt an external SD card on Android. None of them are satisfactory. They either point to a third party solution (e.g. BoxCryptor, ...
1
vote
1answer
354 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 ...
0
votes
0answers
29 views

Can an Android device's security be circumvented when its screen is being changed?

I had shattered the screen on my device (both touch and display) and it was locked with a password. I took it to a nearby repair shop, and they took a long while to do touch-testing out of my sight ...
0
votes
1answer
158 views

Does retrieving backup from SD card retrieve malware & virus, too?

I think I read in other questions here that you can reset your phone to factory setting to get rid of most bad stuff ordinary people can secretly put on your phone such as spy apps, malware, virus ...
5
votes
2answers
151 views

A Windows PC software is pushing its app onto my android devices. How can I avoid it?

This weekend I installed a popular Windows antivirus in my PC laptop. The installer offered the android app, and I denied it. Nonetheless, a couple hours later all my android devices had the ...
1
vote
0answers
183 views

How to tell what app or process periodically sends SMS messages?

About a week ago I purchased a T-Mobile SIM card and activated it on a $3/mo prepaid program. This program requires you to load your account with $3 per month to keep it alive, and these include 30 ...