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
votes
1answer
2k views

Android 4 don't require unlock at home

In the Android OS version 4, what would I have to do to require a pass code to unlock the phone when I'm away from home, but when I'm at my home, I don't need pass-code restrictions. Detecting ...
4
votes
2answers
72 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
6answers
10k views

Does encrypting an Android device add any real security benefit over a key-lock?

Would encrypting my Android device make my data any safer in case of theft? It seems to me that since the encryption key necessarily is identical to the PIN code or password used for the key-lock, ...
1
vote
0answers
32 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 ...
0
votes
0answers
14 views

Can I bypass the lock screen caused by a filter - Samsung stock?

I have a Samsung S4 mini that has a parental control filter app called Net spark mobile. When the phone was given to me I tried to disable the application as it wouldn't let me alter some security ...
0
votes
0answers
33 views

Encrypted phone no longer asks for pattern when turning on?

Nexus 6 running stock 5.0.1 not rooted. It used to ask me for my pattern every time I turned it on from a powered off state. Now it seems to boot fully without asking. Under Settings > Security it ...
0
votes
1answer
164 views

Can I get a virus on Android 4.4.2 by clicking “no thanks” on one of those virus browser pop-ups?

I opened a link using the built-in facebook browser yesterday, and pop-ups on the website kept asking me if I wanted to install some anti-virus and they had two options: No thanks and OK. Normally I ...
0
votes
0answers
13 views

Clear credidentials grayed out/no mobile connection

I've been looking at other threads similar to this and have not found success yet. The overall problem is that it says my SIM card is unavailable. This leaves me with no mobile connections obviously. ...
0
votes
1answer
2k views

Alarm is working even when the phone is powered off

I just discovered that if I set the alarm clock and then power off the phone (by holding the power button and then selecting "Power Off") the alarm will still go off when the time comes. Is this ...
0
votes
0answers
27 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 ...
3
votes
2answers
4k views

Can applications be downloaded without a Google Account and without disabling security features?

If I wish to install applications such as Skype, DropBox, etc however without registering for a Google account, is that possible? If so, how do I install them without a Google account?
2
votes
1answer
2k views

Android 4.1.2 Full Device Encryption

I have a FDE enabled on my Android. However on JellyBean when device restarts I never get a boot password prompt,just regular unlock screen. I remember on 4.0 ICS, after reboot Android would ask me ...
0
votes
1answer
31 views

After Full Disk Encryption, are all subsequent new files automatically encrypted?

I am not talking about the new Lollipop which encrypts everything by default. The older versions, such as Androd 4.2.1/4.2.2 etc. Suppose you went to settings -> security -> encryption, and chose full ...
6
votes
1answer
1k views

Is there an official dialer code resource?

There are a ton of XDA forums and a decent number of answers here that refer to specific dialer codes. For instance *#*#4636#*#* will cause unicorns to spring forth from your phone or tell you what OS ...
0
votes
0answers
15 views

Allview E2 Living prompthing for security code

When I try to use my phone, it shows "Please enter the privacy protection". I've had this phone for a year, but recently put a Vodafone SIM in which triggered the issue. How can I get around this?
0
votes
1answer
4k views

Lollipop: override security policies (specifically lock screen/Exchange/Office 365)

When I used Android 4.4 (KitKat) on my Nexus 5 I could ignore certain security policies such as a requirement to have a PIN code to unlock the lock screen. After upgrading to Lollipop and the move of ...
1
vote
1answer
924 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 ...
0
votes
1answer
21 views

Is there a way from where I can keep watch on other mobile screen?

I really would like to know if I can keep a check on other android mobile devices. Scenario is I have Android application Developers team with me and gave them phones and tablets for testing and ...
1
vote
2answers
46 views

How do I prevent unauthorized accession of my data when my phone is connected to the internet ?

I have an Android smartphone and my data connection is always enabled. I often use browsers like Opera Mini and UC Web as they are faster than the inbuilt browser apps. I often use Mobile banking ...
3
votes
1answer
2k views

Preventing browser redirects on Android (and iOS)

There seems to be an issue occurring with mobile browser apps on Android and iPhone being redirected to advertising sites. This is interrupting the browsing experience. The problem: A user visits a ...
16
votes
7answers
2k views

How can I find a lost phone or help people return it?

I'm looking for an app like Where's My Droid to help locate a lost device. Ideally I'm hoping there is one that might have two specific features: The ability to display a message to the screen to ...
-1
votes
0answers
10 views

Is adding an employer's Google Apps account to my device a security risk?

Suppose my employer (or other organization that I don't control) uses Google Apps for mail. If I add my account under that organization to my personal device, will this give the owner of the ...
0
votes
0answers
19 views

How can an app decide whether the device is trusted or not?

I downloaded the trustable app from the play store which identifies whether the phone is trusted or not. I run the application and it gave me a score of 4.3 with a suspicious. Is this a genuine ...
0
votes
2answers
31 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 ...
1
vote
1answer
54 views

alternative to android build in encryption?

I have got a Samsung S3 that forces me to use a 6-charakter password for the phone/SD card encryption. I would like to use a PIN (4-digits) as it was possible in earlier Samsung phones. I am aware of ...
0
votes
0answers
12 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
0answers
12 views

Black “erasure” on address bar

I noticed this on my phone lately: You can see on the upper left of the address bar that there's a black erasure. What does this mean?
4
votes
2answers
3k 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 ...
1
vote
2answers
95 views

How do I use my Google account when I have a FIDO U2F Key attached?

I have recently attached a FIDO U2F Key to my Google Account to make it more secure. How can I now actually log into my Google Account on Android again? Whenever I try to log in, it says wrong ...
1
vote
1answer
804 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
63 views

Security implications of remote (Meterpreter) shell to device

An attacker who uses an exploit for e.g. CVE 2012-6636 can use a Metasploit exploit to open a Meterpreter shell in the context of the stock Android browser. But what are the implications of such an ...
3
votes
1answer
155 views

Protecting phone from the FREAK bug

How can I protect my phone from the FREAK bug? Phone is a Samsung GT-S5830 running Gingerbread.
0
votes
1answer
27 views

android VNC and linux installing

I was thinking of using Linux Deploy to install Ubuntu in Nexus 9 (2014) Device. I Would be using the VNC viewer by "realvncunlimited" and Linux deploy by "meefik". My question is, how secure will the ...
3
votes
2answers
2k views

How can I undo the “Do Not Ask Again” for bluetooth contacts?

When I first connected my phone (Samsung Galaxy S II) to a bluetooth device, I was prompted that the device wanted to access my contacts. I mistakenly clicked Do Not Ask Again but I want to undo ...
0
votes
2answers
84 views

Photos/Media/Files and Full Network Access

Does anything stop an application with Photos/Media/Files and Other ("full network access" and "run at startup") permissions from simply uploading ALL of your photos and videos to some stupid server ...
22
votes
5answers
11k views

My phone was just stolen an hour or so ago. Are there any options for tracking?

I realize this is a long shot, but my phone was lost or stolen a few hours ago. At the time it was stolen, I didn't have any specific applications installed to track it or wipe the data. So... my ...
1
vote
1answer
49 views

Is it possible to have a higher level of lock-screen security only on boot up?

Many of my apps are protected by an lock app ('Smart Applock' - asking for a pattern unlock before access to gMail, install/uninstall, etc). As most of my apps are thus locked individually, I would ...
3
votes
3answers
2k views

Why do some Android apps need access to my SD card and fine location?

I understand why apps like Maps need to know my specific location, but is it safe to allow any application to access these things? Are there any clues as to which apps are safe and which aren't? ...
0
votes
0answers
52 views

How do I log out from Google Apps without logging out from Android Device Manager?

Say my phone was stolen, and I need to log out from my Google Apps in that phone remotely. I can revoke the access in that phone through my web browser, however I would log out from Android Device ...
0
votes
0answers
84 views

How to encrypt external sd card under KitKat?

I am going tp buy a device with external SD card and I am wondering if any custom roms support ecnrypting external sd cards. I will root and use a custom rom. Basically I want to be able to encrypt ...
1
vote
2answers
4k views

Razr Maxx HD, How to wipe data with broken screen

My screen is totally destroyed, it's black and unresponsive. The phone turns on just fine, though. I just got my new phone and I have to send this one back now. I want to wipe the phone before I send ...
1
vote
2answers
3k views

Securely wiping a phone with a broken screen [duplicate]

I have a Samsung Galaxy S3 with a broken screen. The screen does not respond to any touch and does not display anything at all, it is black at all times. CyanogenMod 11 is installed on the device. I ...
1
vote
0answers
331 views

Device encryption and broken screen

Assuming you have a device that is encrypted by the factory encryption option in the security settings of the device, and having said device suffer a fall and end up with a broken screen, what are the ...
0
votes
1answer
1k views

Used device manager once, now I can't set security to 'none'

Phone is an LG Nexus. I was messing around with security settings and decided to try using a pattern to unlock my phone. No more than 5 minutes later, I completely forget the pattern I set. Did some ...
0
votes
0answers
30 views

Accidentally i have uninstalled my home launcher

there is no launcher in my phone.i also switched off and switched on . it showed only samsung nothing else.My device was already rooted and i thought by factory data reset it would work but now i ...
0
votes
0answers
82 views

Why is my Nvidia tablet looking for chinese servers(baidu.com)?

I am not sure if this is the right area for the question, or if it is even a big deal, but here i go. When using by Nvidia tablet to develop an app I realized that it was attempting to reach a server ...
0
votes
0answers
279 views

locked out of samsung 4s after failed pattern and do not know google pin

I called cell phone carrier. she said we can go into google android device manager. although there, it says no active devices. when I go to the dashboard, an old cell phone is listed but not my new ...
15
votes
2answers
6k 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 ...
14
votes
2answers
11k 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?
0
votes
0answers
52 views

Possible to disable or shutdown phone (or just security camera app) from another android over internet? ((or perhaps Tasker))

I have some contractors doing some work on my house over the next few weeks. I've been looking into turning my old S3 into a motion detection cam. This way I could see if anyone enters my office, ...