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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0answers
30 views

Can an Android device's security be circumvented when its screen is being changed?

I had shattered the screen on my device (both touch and display) and it was locked with a password. I took it to a nearby repair shop, and they took a long while to do touch-testing out of my sight ...
2
votes
1answer
132 views

Shred an internal or system partition

There are quite a few apps that lets a user delete the media or data partitions so it won't be recoverable - by re-writing "junk" data over and over again on the free storage space. Still, is there ...
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 ...
1
vote
0answers
219 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
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1answer
188 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 etc....
0
votes
1answer
98 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 ...
0
votes
1answer
56 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 ...
2
votes
2answers
257 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 ...
0
votes
0answers
101 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
4k 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 ...
0
votes
1answer
37 views

I can't modify Security settings of OS

After a reboot, I cannot configure my normal VPN connection, nor modify some Operating System security settings. What can prevent me from making changes to security settings? Malware?
1
vote
1answer
178 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
1answer
134 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 ...
1
vote
2answers
20k 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
190 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 ...
4
votes
2answers
3k 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 ...
1
vote
2answers
582 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 ...
3
votes
1answer
214 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.
1
vote
2answers
103 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 ...
0
votes
2answers
3k 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 ...
1
vote
1answer
166 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 ...
0
votes
0answers
453 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
2answers
133 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 can'...
0
votes
0answers
628 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 ...
2
votes
1answer
1k views

Does Wunderlist store data in the server in encrypted form?

How secure and private is Wunderlist? For example does it only transfer data in encrypted form but stores it unencrypted? I would like to be able to store passwords relating to work on my phone but am ...
0
votes
0answers
351 views

“Locking” a Samsung Bootloader

In order to prevent cold-boot attacks against an encrypted Android filesystem, it has been recommended to keep your bootloader locked at all times with the original factory recovery installed. The ...
0
votes
1answer
614 views

I locked my phone from android device manager, now i'm not being able to remove the lock screen password [duplicate]

I locked my phone from android device manager, now i'm not being able to remove the lock screen password, it says that, lock screen is disabled by administrator or encryption policy or credential ...
0
votes
3answers
788 views

How to avoid silent app installations

I have gone through this post Silent app installation wherein it clearly mentions it's highly impossible to self install the application without going through the whole installer proceedure.But when i ...
2
votes
0answers
984 views

Can an antivirus really stop the broadAnywhere threat?

I had a look at the diff where the broadAnywhere threat is fixed, and it's basically just mPendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(), 0); replaced with: Intent ...
3
votes
1answer
1k views

What is the attack vector of <= 4.3 web view vulnerability?

This is in reference to the vulnerability that Google is not patching, since the WebView in 4.3 and less is part of the OS and not a separate updateable component. Since some people will not have ...
0
votes
1answer
533 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
963 views

Adding more than 3 fingerprints in Galaxy S5 by swiping different fingers when adding a new fingerprint

On the Samsung Galaxy S5 one can bypass the 3 fingerprint limit by swiping different fingers when adding a new fingerprint. Can this cause any security issue?
1
vote
0answers
115 views

Fast switch between lock screens?

I know there is "No Lock Screen", which is a great musthave app that I have been using for months on all the devices I own. My friends/relatives love it too. My only problem with it it's that I ...
1
vote
1answer
261 views

how to disconnect asus usb connection from eclipse

im a beginner in android apps mobile. i already launch it in my phone asus T00Q, but i have problem to disconnect the usb from eclipse. some said we should put the mode on charging mode and not Media ...
4
votes
3answers
15k 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 ...
0
votes
0answers
567 views

Disabling/Changing PIN on Android device: where are the disabled flag and new PINs stored (SIM or internal storage)?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Lock SIM card` which displays a check box which can be used to configure the phone to ...
0
votes
1answer
767 views

Possible to change SIM card PUK on Android device?

On my Samsung Galaxy SIII, one can go to Settings -> More -> Security -> SIM card lock -> Set up SIM card lock -> Change SIM PIN to change the default PIN that came with the SIM card. ...
2
votes
1answer
357 views

Undesired download of Baidu Browser

new Android user with the world's most low end tablet, Azpen A727. I'm enjoying learning about Android and have killed off most of the bloatware...but twice now "Baidu Browser" has been downloaded ...
0
votes
0answers
197 views

Recovering lost or stolen phone (security and feasability considerations)?

I am trying to understand a little bit about security in case my phone goes stolen. I have read that even if a phone is stolen and the SIM card is removed, it can still be possible to find your phone ...
0
votes
1answer
627 views

execve permission denied under /data [closed]

I have met a weird problem on a Samsung Galaxy Note 2, running Android 4.3, with an origin-forgetton rooted rom. getenforce returns "Permissive", so selinux is Permissive. cat /proc/self/status ...
1
vote
3answers
2k views

How is my friend bypassing Applock application

I'm using moto x 2nd gen, I recently installed applock to keep some apps private but one of my friend knows a way to bypass the password and even change it, he did the same even with pattern lock. He ...
1
vote
2answers
12k views

How to switch screen unlock from Pattern to Slide

On my Nexus 7 2013 Wi-Fi with Android 5.0.1 Lollipop I used the Slide setting for the lock screen. To experiment with a VPN, I switched to pattern lock. After deleting the VPN entry I had created, I ...
0
votes
1answer
161 views

Does rooting a phone expose the phone to security risks? [duplicate]

I have a very simple question. If I root my phone, will it be easier for malware to run on my device and cause more damage (due to the nature of the extended set of operations that applications with ...
1
vote
0answers
428 views

How to root the HTC Desire 300 (also known as Zara Mini)

Okay please forgive me if this has already been answered, I've read a few questions on here but I still don't understand. Firstly, I'm not a "techie" or anything like that, so some of the really ...
1
vote
1answer
11k 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 ...
2
votes
0answers
446 views

Automatically verify signature on all Android Exchange emails

I work in an office where everyone uses a digital signature on their emails. I just bought a new LG G3 with 4.4.2 KitKat and whenever someone sends me an email that is signed, it shows up with a body ...
22
votes
3answers
163k views

How can I disable the screen lock password in lollipop?

I have enabled password protection on the lock screen on my Nexus 5 Lollipop device: After enabling password, I can't seem to be able to cancel it. Any idea how to go back to None or Swipe?
0
votes
1answer
5k 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 ...
31
votes
3answers
63k views

Bypass “Swipe up to unlock” on Android Lollipop lock screen

I recently flashed my Nexus 4 to Android Lollipop using the factory image. I have set a pattern lock for unlocking the device. But whenever I turn on the phone, I have to click on the little lock ...
0
votes
1answer
158 views

Can a locked phone's data be accessed when being repaired?

I had an HTC One S device which suddenly turned off and refused to start. On giving to the service centre, it turns out the device needs replacement of an item 'PCBA-MAIN BOARD WITH SKU ID MS' which ...