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
241 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
204 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 ...
0
votes
1answer
92 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 ...
0
votes
0answers
153 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 ...
3
votes
1answer
172 views

Android application firewall - interactive prompt confirmation for connections

I'm thinking of developing application, or probably extending AFWall+ app What I'm missing on Android is possibility to confirm each connection from each application, simply blocking the application ...
7
votes
3answers
5k views

How to delete a specific file in Android so that it can't be recovered?

From my experience a file deleted from a computer filesystem can often be recovered unless it is overwritten with a special program (that's usually called "shredding"). Is an Android-based HTC ...
0
votes
2answers
751 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 ...
9
votes
6answers
3k views

App/shortcut to quickly change screen lock type?

Two scenarios: I'm at a "trusted" place, and don't want to enter unlock password/pattern all the time I'm at an "untrusted" place and want my phone to be password/pattern screen locked is there ...
23
votes
3answers
6k views

What are the security disadvantages of rooting an Android phone?

I know there was a discussion previously BUT they didn't talk about security. E.g.: if I root my phone will all my apps run with root permission? Related: Are there any risks to rooting a device?
7
votes
3answers
1k views

Can my Android phone be hacked without installing permissions?

After reading this article ( Kaspersky smartphone report ) this got me wondering. Obviously if I install a dodgy app through Play Store or directly from a website, that can be dangerous, however if I ...
22
votes
5answers
9k views

Securing a young child's tablet

My wife has decided to get the kids a set of android tablets for christmas. These are Coby Kyros 4GB wi-fi only models. The kids are ages 6-10 so I don’t particularly want to let them have free ...
8
votes
4answers
2k views

Biometric-security lock-screen?

Is there a way to apply a biometric lock (as in, a look screen) to an Android device? e.g. the unlocker has to pass a fingerprint / retina / voice scan. I've read about startup companies and general ...
4
votes
3answers
46k 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?
1
vote
0answers
236 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 ...
8
votes
5answers
5k views

Remotely brick a stolen phone

If my phone is lost or stolen, can I remotely and permanently brick my phone. This way, not only is my data secure, but the resale value of the phone plummets to zero. Tangential question: can apps ...
2
votes
0answers
324 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
0answers
156 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 ...
3
votes
1answer
386 views

Pin unlock without showing numbers

When you type your pin into the Android lock screen, it does the usual mobile password field thing where it actually shows the last character you've entered. Is there any way to disable this on ...
2
votes
4answers
2k views

Securing Memory Card?

What should I do so that the Memory card in my phone works only in my phone? Also, I should be able to connect my mobile to a PC through a USB cable and completely see/edit/organize the data on my ...
23
votes
2answers
35k 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
0answers
32 views

Where is Face Unlock?

I installed Titanium Backup and found Face Unlock (Settings) in the file list but I can't find it anywhere on the phone.I checked the settings menu and Security but I still can't find the interface to ...
1
vote
1answer
631 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 ...
0
votes
2answers
538 views

How do I re-enable swipe to unlock?

I recently encrypted my Android 4.4.2 device (S4 Active) and have now unencrypted it. However the only options I still have to unlock my phone are PIN and Password. When I attempt to change it it now ...
0
votes
0answers
63 views

Security of Android cryptography in versions < 5.0 against government agencies

Recently, both Google and Apple announced their new OSes encrypt the device by default. This caused a lot of complaints from government agencies. Let me quote an article ...
0
votes
1answer
53 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 ...
1
vote
1answer
622 views

Does rooting phone affect online banking security? [duplicate]

I'm thinking of rooting my android phone (HTC Desire 300) and was wondering if doing so would affect the internet security with stuff like online banking. Is it still secure to do my banking on a ...
0
votes
0answers
75 views

Nmap my device and find many open port, is these secure?

I use nmap to scan the open port of my android open port. To my surprise, the list is long ( attached below ). Is this normal? Are all these secure? I am using Android 4.4. The rom is cm11. PORT ...
3
votes
1answer
6k 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 ...
1
vote
0answers
34 views

Where do you publish information about a vulnerability you have found within android?

I found a small vulnerability within the default web browser, here is the ticket. Submitted last year. Issue 42647: Android Web Browser, JavaScript Popup Bug. Tested on 11 Jan 2013. ...
1
vote
1answer
126 views

Rooted phone, but can't pass “Install” dialog

I am running Android 4.4.4 with the LiquidSmooth ROM and SuperSU. All these components work flawlessly, as far as I can tell. I am also able to use TitanicBackup (to demonstrate Root is working). ...
15
votes
3answers
3k views

Is there any way to erase personal information from my phone that has already been stolen?

My phone has been stolen. I do not want the thief to have access to any of my personal information such as calls, texts, and information saved in the phones contents. Is there any possible way I can ...
2
votes
1answer
273 views

How can access on an android device be restricted to applications or widgets on the home screen only?

This is a rooted Nexus 7 with 4.4.4 (factory image from Google). I'd like to restrict access to anything that's not on one of the home screens. Apps and widgets on one the home screens should be ...
0
votes
2answers
894 views

Does encryption, factory reset, encryption make a safer used phone?

I recently purchased a used Moto X. I know the person I bought it from so I'm not terribly worried but here is my idea to shore up the security on a used device. Don't put in your SIM card or log ...
0
votes
0answers
138 views

Control Mobile via pc using USB (No URL Control)

I want to control the mobile via pc using usb cable, I found out lot many solution like Droid@Screen & AndroidScreenMonitor etc., but this is an one way communication am not able to control from ...
0
votes
0answers
63 views

How to obtain crypto header and footer from Nexus 5 Android 4.4

I'm interested in how to find the crypto_header and crypto_footer for disk encryption on a Nexus 5. A lot of articles have them for specific devices and I was wondering if there was any information on ...
1
vote
2answers
73 views

Do old versions of Android still get security patches?

For example if a critical vulnerability is found in Jelly Bean would it get a patch, or is the expectation that users should upgrade to KitKat to be more secure? Does Android even have the concept of ...
0
votes
0answers
232 views

How to use the S5 fingerprint scanner with full device encyption?

I am using the S5 and have decide to fully encrypt the device and the sd card. My biggest problem is that now the fingerprint is no a possible choice as a lockscreen security. Only password. I ...
1
vote
0answers
50 views

Is there software that will completely wipe your Android device when there are too many pin attempts?

I love the option that your iPhone will wipe itself if someone preforms way to many pin attempts but I do not see that option on Android devices. Is there software that will completely wipe your ...
1
vote
1answer
562 views

Which Android version/phone can control per-app access permission?

The only reason I am still using an iPhone is due to the fact that most Android phones did not allow control of per-app access permission. The App Ops feature was once there but pulled. I know some ...
1
vote
1answer
547 views

How to disable “security policy restricts use of html email”

I use AirWatch Agent and created an ActiveSync account to connect to my company's exchange server. Now, when I read emails they show up as plain text with the message "security policy restricts use of ...
4
votes
1answer
16k 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
202 views

Secure ADB connection over network

I am using Geniatech ATV Android Set Top Boxes running android 4.2.2 for a current project. I might put some of those devices in public places like shopping centers. These boxes are connected to the ...
2
votes
0answers
85 views

Customer claims our app trashed her phone [closed]

I'm in receipt of a complaint that the android mobile app my company provides has trashed a customer's android phone to the extent that it is now only capable of making phone calls. No sms. No ...
0
votes
0answers
33 views

Which versions of Android is Google developing security fixes for?

I'm trying to develop a BYOD support policy for the company I work for. We intend to only allow devices and software that are actively being supported by the manufacturer. I know that the relationship ...
0
votes
0answers
32 views

Ask for the pin only twice a day

I would like to configure my android phone to ask for my PIN only two times every day (if not rebooted). Screen lock with PIN after 12 hours (no PIN needed in between) would be great. The screen-lock ...
-1
votes
1answer
49 views

Any work around to sophos

Sophos is an app that let's you put passwords on apps (among other things). Is there a work around to access the apps? Thanks!
1
vote
1answer
29 views

Security, keylogging and accounts

An in-app purchase requests password verification before the transaction. Thus, all the following input into the onscreen keyboard is the user's password. Is handling keyboard events prevented at ...
9
votes
3answers
14k views

Why does Android prompt me with “Enter the credential storage password” when I attempt to connect to a secured WiFi network?

When I connect my iPhone to a secured WiFi network (at work), I'm prompted for my Username and Password. (And then I'm prompted to accept what I presume is an SSL certificate.) But when I select the ...
5
votes
2answers
6k views

Preventing installed apps from making calls or sending SMS

It seems like a growing number of (seemingly legitimate) apps casually claim the "Services that cost you money" permissions (making calls and sending SMS) for non-essential secondary features that ...
2
votes
5answers
8k 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 ...