Tagged Questions

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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0
votes
0answers
1k views

Accessing phone data when locked out

I am using a BLU Quattro HD 5.7 phone, running ICS, and I have locked myself out due to my own stupidity. It doesn't have a wifi connection or a data connection at the moment because I do not have a ...
3
votes
5answers
4k 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 ...
7
votes
1answer
178 views

Does the Secure Random bug affect apps besides Bitcoin?

The Bitcoin Project recently announced a bug in the SecureRandom implementation on Android, which caused Bitcoin wallet apps to generate weak private keys that leave bitcoins vulnerable to theft. The ...
0
votes
1answer
328 views

does it really work? rekey.app claims to protect agains Master Key vulnerabilities

The android app rekey claims that it can protect android device against "Master Key" vulnerabilities on their website they have a test/proofOfConcept To verify that your device has been patched, you ...
0
votes
1answer
104 views

How can I determine what URL an app is accessing?

I have an app that downloads mp3 files. The app does not tell you where it is getting these files from. Is there an Android tool/app I can use to figure out what URL an app is accessing from my ...
1
vote
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 ...
2
votes
1answer
5k views

Do not auto-mount Samsung Galaxy S4 Mini when USB is connected

I had an HTC desire phone, before upgrading to a Galaxy S4 Mini. I have run into an annoying problem. On my phone (not on the SD Card), I have private data, including an RSA key, which I use to SSH ...
1
vote
0answers
437 views

No encryption option on Huawei g510 and Android 4.1.1

I recently bought a Huawei g510 with Android 4.1.1 and I was going to encrypt it, but I just can't find the encryption option in the settings panel or any other place. I looked around on the net but ...
0
votes
0answers
98 views

I think that I may have been a victim of a malicious mms

I have a Sidekick 4g running Android 2.2.1. I just received a multimedia message from an acquaintance who I happened to have in my contact list. I clicked on the notification which sent me to ...
2
votes
2answers
745 views

Is there a Ghostery equivalent for Firefox on Android?

I use Firefox on a smartphone with limited RAM, where Ghostery would be most useful (removing useless content). Plus I don't like being tracked anyways. So is there an equivalent to Ghostery that ...
3
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 ...
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
2answers
7k views

Is it important to have an anti-virus application running on your phone or does the carrier protect it? [duplicate]

I use my phone like I do the computer. Shopping online with a credit card etc. Surfing unknown sites... Does my phone require an anti-virus application to protect the internal drive of my phone? Can ...
2
votes
0answers
202 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 ...
2
votes
3answers
180 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. ...
5
votes
1answer
4k 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
428 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
4k 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
107 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
758 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 ...
2
votes
2answers
2k 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
964 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
77 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
762 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
231 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 ...
11
votes
2answers
306 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
71 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
71 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?
5
votes
2answers
561 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
3k 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
6k 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
181 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
529 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
514 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
3k 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
160 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
539 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
1k 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
2answers
236 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
98 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
233 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
361 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
67 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
4k 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
656 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
583 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
240 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 ...