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

2
votes
0answers
159 views

How can I know that my Galaxy's camera and microphone is not being accessed without my knowledge?

A few months back I installed a few apps straight from the internet. One was an ability to run Ruby scripts on my phone, the other was Grooveshark. Both times, an Jellybean 4.2 flagged up a warning ...
0
votes
0answers
106 views

Any pattern lock in Android ICS which would lock the phone and not allow retries?

I saw this link below for pattern lock provided by Android Recovering from forgotten lock pattern What i was looking for incase the user exceeds a number of tries it just completely locks down the ...
2
votes
3answers
159 views

How can I quickly remove all of my data from my device and then get it back again?

Soon, I'll have to give my phone (a non-rooted LG Nexus 4) to another person for some time. As the phone contains very sensitive information, I do not want this person to be able to access any of it. ...
4
votes
1answer
3k views

Can I lock the Nexus 4/7 bootloader after flashing a non-stock ROM?

I know that doing a fastboot oem unlock will both unlock the bootloader and wipe the data on the device. Unfortunately, while this allows me to install a non-stock ROM like Cyanogenmod, my ...
1
vote
1answer
368 views

Is Gmail on Android susceptible to MITM attacks?

My employer performs MITM on gmail.com by generating their own certificate authority. I've only noticed this applies to the web version of Gmail. In additon, Chrome on Windows will alert me when the ...
8
votes
3answers
2k views

How to remotely log out all web-based Gmail sessions from my Android phone

Can I remotely sign out all web sessions of Gmail from my Android phone? This question explains how to do this from the Gmail website with a standard web browser. This doesn’t work from my phone ...
0
votes
1answer
97 views

Lock-screen information lost calls etc

At my company we use Sophos MDM solution, witch forces all user to set a PIN on their lock screen. I use a Samsung S3 (android 4.1.2) and the lock screen is only a huge numeric key pad. The oterones ...
1
vote
1answer
681 views

How safe is the android Lock Screen with password?

If your tablet got stolen, how probable is it, that the thief will retrieve data from your device if you have only the lock-screen with a 4-character password as protection? Is it easy for a hacker ...
0
votes
0answers
19 views

Anti-thef solutions without SMS [duplicate]

I'm looking for an anti-theft solution where I don't have to start it by sending a SMS to it. The reason is one of the very first action by thieves is removing the SIM card.
2
votes
2answers
1k views

Stuck with draconian security restrictions after adding and removing corporate e-mail account

After adding a corporate e-mail account to my phone, my device asked to encrypt itself as well as the attached SD card, and change the lock to password. I immediately removed the account, but the ...
0
votes
0answers
28 views

How can I lockdown an android phone? [duplicate]

I'm looking for a way to help lockdown an Android phone. I want to be able to configure a phone so that only certain users can make calls/send messages to specific contacts. It should also only ...
0
votes
0answers
684 views

How to auto unlock SIM/UICC on trusted devices?

I don't like manually entering PIN1 of SIM/UICC everytime I reboot my Android smartphone or switch SIM/UICC between multiple trusted devices. How to auto unlock SIM/UICC on my trusted devices? The ...
2
votes
1answer
65 views

Can the PIN-input be modified to not display the last character?

Since today I have a new Nexus 4, with android 4.2.2. But when I type in my PIN, it always displays the last typed character in the input field. I think that is quite the security risk. On my old ...
1
vote
1answer
422 views

Is there a common GPS cache on Android?

From what I understood about Android securty all applications are separated by different user-accounts and different filesystem locations. BUT: After GPS-test has fixed my location for the first time ...
1
vote
0answers
182 views

What are these numbers in the Data Usage and Battery Usage screen in Jellybean?

I went to my phone manufacturer the other day to get my phone upgraded to Jellybean 4.1.2 from ICS 4.0.4. Here's the thing, I know that upgrading doesn't take long but they said it will take an hour ...
0
votes
0answers
29 views

locked out of my phone

I set a password to get into my samsung galaxy rush phone using the swipe keyboard. I know what my password is but now when I try and access my phone the Samsung keyboard comes up and won't let me ...
11
votes
2answers
267 views

How can I require the pattern unlock only for specified times

Is it possible to require the pattern unlock only during certain times? For example, while I'm at work, I don't want to require the pattern unlock, however, anytime I'm not at work I do. Is this ...
4
votes
2answers
2k 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
1answer
61 views

Does enabling sideloading allow applications to be installed or run on the device without consent?

I'm concerned that enabling sideloading of applications may allow malware to be installed. However, I'm aware that Android gives a "Do you want to install this application?" dialog while installing ...
0
votes
1answer
61 views

Desire password-required login for Facebook on Android

I would like the security of mandatory password login to Facebook from my phone. How to do this on Samsung Galaxy Express?
0
votes
0answers
84 views

Pattern lock issue and asking for backup credential

I am using pattern lock on my Samsung Tab 2 unfortunately it got locked because of several attempt. Yes, its asking for my backup credentials but when i am using that it is showing as wrong backup ...
3
votes
1answer
359 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 ...
1
vote
2answers
2k 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

How to make Gmail in Android ask for user name and password as in laptop? [duplicate]

In my Samsung Galaxy Grand whenever I select the Gmail icon, it automatically takes me into the inbox, it doesn't ask me to give credentials like we do in laptop/desktop. So the problem is when ...
1
vote
0answers
104 views

How to set a security question?

Reading this answer, I found that we can set a security question to unlock the device after 5 unsuccessful unlock attempts (clicking Next). So to set a security question, I we to Settings -> Security ...
1
vote
1answer
404 views

forgot my google account password

someone used my phone GT-S5300 and had wrongly tried the unlock pattern many times and now it is asking me for google account but i have forgotten my password. pliz suggest me how can i get my ...
3
votes
1answer
309 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 ...
2
votes
1answer
2k views

How can I erase whole phone securely? [duplicate]

How can I erase my phone completely and securely before selling it for someone else? I have read that secure deletion procedures used on regular hard disks are ineffective on flash drives connected ...
1
vote
1answer
144 views

Disable camera capture button?

I have one app in which i am using barcode scanner, so i can't completely disable the camera. but i don't want camera to capture photos. I want camera in read only mode. Basically i want to ...
9
votes
3answers
457 views

Prevent entering PIN code before lockscreen

I have a Samsung Galaxy Mini. I'd like to know if it is possible to prevent the user from entering the PIN code before unlocking the normal pattern, since it recently happened to me that someone got ...
1
vote
1answer
509 views

connect to specific wifi only

I want my device to be connected to a certain wifi network only. Lets assume WiFi named "xyz": so my device should connect to this particular "xyz" network only. It Should not connect to any other ...
5
votes
1answer
172 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 ...
0
votes
1answer
85 views

New files in Download directory

I see the following two files in the Download directory: Flash_Player.apk and securedownload.bin. I am sure for 100% (well, for 99%) that I didn't download them intentionally. What are these files, ...
0
votes
0answers
139 views

auto logoff from all apps on android

i want a functionality where i can log off from all the apps on android ie: auto logoff from skype , facebook , yahoo. Is a some app already available for this or some easy way to implement this. I ...
3
votes
2answers
201 views

Double Security for Gmail

My phone has a pattern lock and I want friends to be able to unlock it with the pattern, however, I do not want them to have access to my gmail. Is there a way that I can force gmail to ask for the ...
2
votes
0answers
56 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
3
votes
1answer
3k 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 ...
8
votes
2answers
417 views

Formatting Android storage “zero out” technique

I have an Android mobile (Galaxy S3), and am really worried that my corporate information will be retrieved after a reset. I've seen shared video showing it is possible to recover data after hard ...
1
vote
1answer
1k views

How to prevent google aggressively associating my account to my searches?

i understand they can access my searches when i'm logged in, and of course know the search terms i use, but how can i prevent them to logging searches to my account when: i'm not logged in and in ...
1
vote
0answers
392 views

Browser webview.db doesn't store hotmail password, but I can still auto log-in hotmail. Why?

On my rooted Galaxy Nexus 4.1.1, stock browser doesn't store any password for hotmail, but whenever I open hotmail, it log-in automatically. I checked data/data/com.android.browser/webview.db, the ...
1
vote
1answer
179 views

How can I protect my photos from Apps?

Camera saves them on SD, so everything can just upload them wherever it wants. I heard of apps that claim to protect photos within them but the only thing they did is making them hidden from the user ...
4
votes
3answers
1k views

Why each android application runs on a different Dalvik VM process?

I have read that each android applications runs on a different Dalvik VM process (all forked from zygote). I also read that these VMs are really lightweight and use copy on write buffers and all ...
1
vote
2answers
104 views

Is my data secure?

My Android phone was recently stolen, so will the thief have access to all my pictures in the thumbnail folder? I have hidden the pictures in an app called Vaulty so will they still be visible in ...
1
vote
1answer
530 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
vote
2answers
11k views

How to disable pin security from Samsing Tab 2

I have a Samsung tab2, and have added screen pin lock on my Tab few days back as I was going out. Now I don't want to use pin lock as security, but I am not able to disable it. I am going to setting ...
3
votes
2answers
1k views

What is this Google Settings app that installed itself on my phone?

Today, all of a sudden I saw this app in my Samsung Galaxy Y mobile phone: I am talking about the app named "Google Settings" I uninstalled it immediately only to find it installed again a few ...
0
votes
1answer
1k 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 v4.2-based) protected? Turn on device encryption (there ...
0
votes
1answer
225 views

SGS3 I-9300 Android 4.2 - why can't I disable these system apps?

nb. I can disable them using 3rd party root apps without any discernible negative effects. Are these networking protocols default? They seem to be harmless but everything I read about sit0 seems ...
4
votes
2answers
515 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 ...
1
vote
1answer
451 views

how to root your Android or at least understand how it works

I do not know exactly how rooting works or if it can even by done on my Android (Samsung GT-N8013) device. No rootkit appears to exist yet for Android 4.1.2, so I am left with figuring out how to ...