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
5k views

How can I change SELinux from Enforcing to Permissive on Samsung Galaxy Note 3?

My device is Samsung Galaxy Note 3 SM-N9005. This phone comes with SELinux set to Enforcing by default. I have been trying to change this to permissive but to no avail. I built the kernel from ...
0
votes
1answer
84 views

What are ways of contracting malware/viruses on your Android phone?

I'd like to know so I can prevent it from happening.
1
vote
1answer
862 views

How secured is password protected Memo?

I have Samsung Galaxy Star (GT-S5282) with 4.1.2. I wanted to store my bank and credit card information in password protected Memo. How secured is password protected Memo? Is there a way to crack the ...
1
vote
1answer
67 views

Malware App Installed, Then uninstalled immediately- Next action steps

I recently accidentally installed an app from Google Play onto my android phone (Version 2.3.6) which was clearly a fake... It had the same name and icon as the app I wanted, and I hit the install ...
-1
votes
1answer
177 views

Can a Factory Reset fix Malware Problem? And another question too!

After factory reset my pictures, videos, and other media remained. Is it an indication of infection? Prior to the factory reset. Can you explain why my media wasn't deleted? It was supposed to wipe ...
12
votes
5answers
2k views

How to know if a side-loaded app is safe?

How can we be assured that the APK of an app that we are downloading from a website is safe to install on our Android phone? Is there a way to know that the downloaded file is safe? Is there an app ...
1
vote
1answer
104 views

How to check emails (safely & securely)? [closed]

I trust Linux more than Android. Likewise, I trust Firefox (with certain settings and certain security-related addons) more than Chrome (or Chromium). I'm new to the smartphone world and couldn't wait ...
2
votes
1answer
2k views

Where can I configure SELinux in Cyanogenmod 10.1.3?

Cyanogenmod released the stable version 10.1.3 yesterday and it apparently includes SELinux enhancements running in permissive mode per default. I thought that you could change the mode in the ...
0
votes
1answer
18 views

Can a MM download, being sent to one phone, also go to a third party who is concurrently sending the mutual receiver a text message?

I got a MM download that was being sent to someone to whom I was in the process of sending a text message; is this actually possible? We both ended up with the MM download; the mutual receiver of ...
2
votes
0answers
177 views

How CF-Autoroot works?

How CF-autoroot Theoretically is able to root android devices ? I'm wondering on what technics it use to run su ? Do it use a custom/patched Linux kernel ? or it is based on local root exploit ? I ...
1
vote
1answer
130 views

How do I keep my email and passwords secure without full-device encryption?

I bought a cheap, no-name Android 4.1.1 tablet a while back, and was dismayed to find that the "Encrypt Data" option was simply not present in the "Settings" -> "Security" menu. I then upgraded to a ...
1
vote
0answers
25 views

Stolen Phone: How can I purge my data if my Google password was recently changed? [duplicate]

Suppose that the cellphone is stolen and that to avoid the thief to use the email I've changed the google account password. In that case, is there something I can yet do to delete personal stuff like ...
0
votes
1answer
205 views

How can I easily deny other apps from accessing my personal data?

If I use the standard Android contacts, sms and phone app all these data are endangered to be read by other apps. Is there a solution without rooting the phone that every simple user could easily ...
1
vote
1answer
541 views

Is imessageonandroid.com really an iMessages app for Android or is it Scam?

I saw on a website that they have an iMessages app that lets you text iPhone user for free just like it is for an iPhone user texting another iPhone user. Do you use our own number, or do you have ...
0
votes
0answers
84 views

Security Policy Internet sharing disabled error

On my Android Motorola HD Razr I keep getting a Security policy Internet sharing disabled error that pops up everytime I come in contact with my Wifi at work and home. How do I fix this so I don't ...
3
votes
1answer
3k views

Locating stolen phone after factory reset

I assume any reasonable thief will wipe the phone as soon as possible, thus removing any tracking apps and user accounts. I there a method to track the phone any way? A possible method is to use a ...
0
votes
1answer
33 views

Checking virus/security status of specific app?

So I let my 8 year old cousins play a game on my tablet for a bit and next thing i knew they had downloaded and installed three new games, some of which acted suspiciously, displaying notifications ...
0
votes
0answers
947 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
170 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
304 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
93 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
1k 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
4k 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
336 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
91 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
659 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
1k 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
1k 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
6k 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
180 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
166 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
414 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
3k 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
102 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
733 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
813 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
72 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
611 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
207 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
288 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
69 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
65 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?
4
votes
2answers
453 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
5k 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 ...