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 ...

learn more… | top users | synonyms

5
votes
2answers
2k views

Looking for Location-Specific Screen Locking Behaviour

I'd like to have a feature that allows my Android phone to change its lock mechanism automatically dependent on location. For example, most of the time I use pattern unlock when out and about but ...
5
votes
6answers
4k views

How do I lock my HTC whenever I want?

I have a HTC Wildfire S and set up the screen lock pattern for it. This triggers after some time but sometimes I want to lock it myself, for example if I leave the office and let my phone on the desk. ...
5
votes
2answers
989 views

How to make packages from f-droid to be treated as from a “known source” (if I have root)?

I usually get packages from http://f-droid.org/ repository through their package browser (because then I have a guarantee that I use free (= libre) software); and they are signed with their key. I ...
5
votes
2answers
373 views

In general, do Android apps use encrypted connections? If so, is public WiFi safer?

I know that connecting to public WiFi carries risks. I know that much of the risk has to do with sending data over a public connection, allowing it to be intercepted. So, my question is, do most ...
5
votes
3answers
164 views

Is there a standard place for the Owner Information on an Android phone?

I found an lost Android phone - is there a standard place on Android phones for owner information so I can contact the person who lost it?
5
votes
1answer
2k views

How secure is a sim lock?

I have sim lock enabled on my sim, so basically, if I put my sim in another phone or if I restart my phone, I need to enter the sim lock pin. How easy is it to crack the sim lock if a theif got hold ...
5
votes
3answers
678 views

Is a PIN lock screen inherently more or less secure than an app lock program?

The two ways I see to secure an Android phone is through a PIN lock screen or through an app lock program (Password is too inconvenient and pattern is insecure for various reasons). The lock screen ...
5
votes
3answers
452 views

Is there an Android app that scans a device for vulnerability issues?

Is there an application that scan the phone or the phone image searching for vulnerability issues? In the internet there are several tools that make Network scanning, but I found nothing specific for ...
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 ...
5
votes
2answers
107 views

Is there a way to wipe a device based on a certain password? A like a “Wipe-me” password?

Is there a way (an app perhaps) that will wipe a phone if a certain password is entered at the lock screen? For example "letmein" unlocks the phone, but if you enter "wipeme" it will start the factory ...
5
votes
3answers
18k views

“Account unlock” when not connected to internet?

I have a Samsung Galaxy Y mobile phone. I see this screen when I press "Forgot Password" in the pattern lock screen that comes by default with the phone: My Question is: How would my account be ...
5
votes
1answer
12k views

LogMeIn Hamachi VPN

How do I connect my Android phone or tablet to a LogMeIn Hamachi VPN? Is it even possible? LogMeIn has command line clients for Linux, and of course Android has built-in VPN settings. Is there some ...
5
votes
2answers
1k views

Encryption of offline mail, calendar, contacts data on Android

I'm very new to Android and I wonder what I can do in terms of encryption. As I read it seems that only Android >= 2.3.3 supports encryption but my new device will be running Android 2.3.1. So I ...
5
votes
1answer
300 views

Provably, temporary, disable wireless networking on Android tablet

I am taking an exam during which any materials or electronic devices are allowed, provided that I can demonstrate that they cannot be used for communicating with others. I want to take my Android ...
5
votes
2answers
500 views

How to prevent tracking or hacking of a used phone

The used phone's IMEI is clean, so it's not stolen. Looks like its seller did a factory-reset before selling it. But how do I make sure that it doesn't have any malware or backdoors, and that its ...
5
votes
1answer
211 views

USSD attack official notification

I have an HTC that is vulnerable to USSD attack. I am trying to tell the HTC helpdesk about this issue, but they tell me that unless there is an official news from android team about this, they will ...
5
votes
2answers
688 views

Set a profile in Tasker to wipe the phone

Is it possible to create a profile in Tasker that completely wipes the phone? I ask because I haven't tried Tasker yet, and this might be enough to make me buy it. It doesn't matter how this profile ...
5
votes
1answer
5k views

Galaxy Note 2: Disable MTP/PTP

When I connect my HTC Sensation (firmware: CM 10) to some PC I need to enter a passcode (to unlock the phone) and explicitly allow mounting as usb drive. But when I connect SGN2 it enables MTP or PTP ...
5
votes
1answer
204 views

Do apps that access gmail only have write access or full gmail access (potential security risk?)

I use a backup app to backup SMS text messages to my GMail account registered on my HTC Desire Z Android 2.3 phone. The app requests access to the gmail account. But what does this actually mean? ...
5
votes
1answer
1k views

Data Vault apps with Unlock Pattern

I'm currently using the Wallet app to keep my bank acct#s, CC#s etc. safely on my phone. However, entering the password when I need to unlock the codes is kind of an annoyance. Specially when you ...
5
votes
1answer
771 views

Stop droid x from security locking during a call

I have noticed that when I am on a lengthy call on my Droid X, the phone locks itself. This seems to happen within the expected timeout period, so I don't believe that the phone is malfunctioning. ...
5
votes
2answers
990 views

Recent Apps shows app contents even though when its locked

I am trying to figure out how to hide an app from being seen when you hit the recent apps button. I use ZDBox's app lock to hide my apps and files when needed but noticed that when I hit the recent ...
5
votes
1answer
139 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 ...
4
votes
1answer
751 views

How to disable pin/pattern lock in android device

I am not sure this is the right place to ask this question.? I have enabled pattern lock in my android device. Just for curiosity I am trying to disable and keep only swipe to unlock option but I can'...
4
votes
6answers
27k views

Find what app is causing popups, NOT in notification bar

I am getting these popups regularly. They do not appear in the notification center so I can't find out what app is causing them. The only app I can think of that I have installed recently, I have ...
4
votes
1answer
6k views

Can a screen-locked Android phone be rooted?

By locked I mean a phone that has been locked with a standard PIN code, password or pattern. I'm not meaning to break into somebody's phone, merely wondering to what extent applying any of the ...
4
votes
1answer
375 views

If I download and install a non-market application and then proceed remove it, does it mitigate any security issues?

If I downloaded a non-market application and installed it and discovered it may be malicious, does removing it from the list of applications completely discard it and help mitigate any security issues?...
4
votes
2answers
449 views

Android 1.5 Dialer App - Exploit Block

I just read about the remote USSD attack. My hoary old Samsung i7500g phone is vulnerable (confirmed via this site). The solution is to install a (free) secondary dialer, like Dialer One. ...
4
votes
2answers
7k views

Is there a way to block permissions for other applications on Jelly Bean?

I use LBE Privacy Guard with great pleasure to grant and withdraw permissions to access my contacts, the internet, etc. for each individual application installed in Ice-Cream Sandwich on my Galaxy ...
4
votes
2answers
1k views

How can I detect Malware and/or viruses?

I'm buying a used Droid phone (Verizon) that has been rooted. Is there anyway to scan it for viruses (and more importantly) malware? Or maybe even a firewall? (I may be being overcautious). Some ...
4
votes
2answers
941 views

My HTC Desire HD has been stolen. What data can still be accessed by the thief?

I have contacted the network and had the phone barred, I had applied a screen lock. I am concerned however if the thief can still access all my numbers, texts, saved passwords and most importantly ...
4
votes
2answers
2k 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 ...
4
votes
1answer
2k views

Find lost device without Gmail account configured and without SIM card

I recently misplaced a phone that did not have gmail account configured and did not have a SIM card in it either. Is there any way I can track it ? All of the tracking apps either require sending an ...
4
votes
1answer
7k views

How can I disable root on a modded device?

Is it possible to disable root access to applications on an Android device again after installing modded firmware? I would like to try Cyanogen or one of the other custom ROMs, but I'm wondering ...
4
votes
1answer
3k views

I want to password lock my “Applications” settings, but no other settings

I have an AppLock program that locks certain apps with a PIN. In order for the app to have any effectiveness, I include Settings as an App to lock. Otherwise, I could go to Settings -> ...
4
votes
2answers
2k views

Apps trying to install in background

I recently wanted to install a metronome app, so I downloaded one from the Play Store, but in the "install" step nothing happened. The app just wasn't there. I installed another one and forgot about ...
4
votes
3answers
193 views

How do I see if my Android Nexus received the latest security updates?

I'd like to check the patch level of my Nexus. I'm using Lollipop 5.1.1 build LMY48I. Under 'System updates' in 'About phone', it says 'Your system is up to date'. Should I assume that includes ...
4
votes
1answer
421 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: ...
4
votes
2answers
124 views

Why my phone does not need to update the password?

I changed my gmail password a day ago, but my phone does not require me to put in the new one. I can still access my gmail with the old password. Why? Phone is rooted, sim unlocked , running android ...
4
votes
1answer
174 views

What are potential problems/violations that malware apps can do?

There are some apps that I am considering to download which have many permission requirements and have few comments from other past users. The number of downloads are relatively low so I am ...
4
votes
1answer
153 views

different way of securing applications

In my phone instead of unlocking screen by providing "symbol", I'd like the phone to unlock to most of my applications without the "symbol". But for selected important applications (eg. gmail) I'd ...
4
votes
3answers
14k 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 ...
4
votes
2answers
7k views

How to encrypt android device without screen lock? [duplicate]

I want to encrypt my phone to protect sensitive information. But I do not want to enter a password every time I pick up my phone. That seriously hampers the usability. Particularly because the ...
4
votes
1answer
1k views

Dev/Log's - login attempts and how to read the log?

My first post on here and hopefully a easy fun answer. I'm looking for the location for failed login attempts on the device - I've looked on the device and it seems the logs are located in /dev/log/?...
4
votes
2answers
5k views

What causes the error “No certificate found in USB storage.” when trying to import a certificate?

I have a Samsung S3 with Android 4.04 and to get on my WiFi at work I need to install a certificate .p12 file. So, I navigate to "Security and lock screen"-->"Install from device storage." BUT ...
4
votes
5answers
1k views

Erasing SD Card contents and personal data

I have an SD card in my Droid Global or Droid X, not exactly sure which model. I go to the files and click on the SD card instead of shred files and delete all of its contents. I then go to Privacy ...
4
votes
1answer
292 views

Can an Android device be locked down by an administrator?

I would like to know if it is possible to use android devices in a work environment with restrictions on the phones usage. These phones would be given to members in the field to log data, and only ...
4
votes
5answers
8k views

Remote factory reset and changing Google password

In case I ever lose my Nexus 4 phone, I've opened to the Google Settings app, then tapped "Android Device Manager" and from there, I've enabled both "Remotely locate this device" and "Allow remote ...
4
votes
1answer
2k views

Is it possible to prevent the screen turning off when pressing the power button?

I run an app on my handset which really needs the screen to remain on for it to function properly. The app already seems to attempt to keep the screen on as the screen timeout seems to be disabled ...
4
votes
2answers
666 views

How to mod android rom so none can ever install an app in it?

I already know how to modify an android ROM by modifying files, remove and add it into ROM. But I don't have knowledge to building/compiling a ROM. I want to lock the OS so none can ever install new ...