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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150 views

Does Android's implementation of SELinux's MAC inhibit apps with root privileges from accessing other app's data?

Starting with Android 4.4, SELinux's MAC is enforced. Does this mean that if an app somehow can get installed and exploit the kernel to get root privileges, that MAC will still prevent that app with ...
3
votes
0answers
423 views

ICS: external microsd storage card: can i use it with camera and not encrypt?

So, I just bought a microSD card for my Ice Cream Sandwich phone. I put it in, it's recognized. But it appears I must encrypt it before I can use it for the camera's storage, otherwise if it is not ...
3
votes
0answers
513 views

Wipe everything after failed decryption attempts, but make it usable?

I have CM10 running on my rooted Galaxy Nexus and I just enabled the disk encryption. However, I can't find any options what happens after a few failed attempts? I would like to reset and wipe my data ...
2
votes
0answers
36 views

How does the smart lock feature on Android define a trusted device?

The smart lock feature on Android allows someone to set a Bluetooth device as "trusted" which makes it easy to unlock. See for example: https://support.google.com/nexus/answer/6093922 I tried to add ...
2
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274 views

Security options greyed out

There was a great thread on the same subject. Security options grayed out I am in the same situation where I need to keep the certificates on the android phone. And the ActiveSync certificates ...
2
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0answers
350 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 ...
2
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0answers
258 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
0answers
643 views

How to disable “Forgot Password” on the lockscreen

I have entered a wrong password five times – now if I click on Forgot Password I can enter a Google account with password, then it will unlock the screen. How can I disable or hide that Forgot ...
2
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0answers
407 views

Exchange Active Sync email on Galaxy 10.1 disappears.

One of our reps has a Galaxy 10.1 and she has now for the 3rd time in two months complained about her corporate email disappearing, I’ve read a few of the posts here and on other sites and the one ...
2
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0answers
326 views

Android detects SIM change – gmail synchronized messages deleted?

After gmail detects SIM change – it asks to renew login to gmail account. This is a very good security action. But does it maybe also clear synchronized messages (that have been downloaded before SIM ...
2
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125 views

IEEE 802.1AE (MACSec) support

Does Android support IEEE802.1AE MACSec ? This protocol enables data confidentiality and integrity over WiFi connections.
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0answers
501 views

How to put a lock screen with security code on a Arnova 10 G 2?

I have a Arnova 10 G 2 with Android 2.3 which works very well, but it has no unlock screen and no security options. Does anyone know of a way to put some kind of security code on the device, either ...
1
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0answers
61 views

Android 5.1 update, Motorola X (1st Gen) and “Skip” NFC tabs (Really: disable “swipe” step before unlock)

I've just upgraded my gen 1 Moto X to 5.1. I've managed to get the NFC "Skip" tabs working again to unlock the phone, but the overall behavior is worse than with the prior release. Before 5.1, when ...
1
vote
0answers
88 views

Blocking 'Android System,Battery Warning,com.media tek,Common Data Service…' from connecting to the Internet

I am using NoRoot Firewall to block Internet access to some apps. It recently notified me that this/these app(s) are attempting to access the Internet: "Android System,BatteryWarning,com.media ...
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vote
0answers
63 views

Crash when using TowelRoot exploit - how can I make it work?

I am using TowelRoot (can be downloaded from towelroot.com) to try to root my Android device using the 1-click method that TowelRoot can do to root the device. Here is the source code of the binary ...
1
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0answers
86 views

Granting device admin previlage to email account

I am connecting my gmail app(or any e mail application) to my office e mail using exchange. It asks me to add the mail app as a Device administrator for my phone. So that it can Erase all data,Set ...
1
vote
0answers
69 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 ...
1
vote
0answers
763 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 ...
1
vote
0answers
77 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
0answers
277 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
0answers
179 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 ...
1
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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. ...
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0answers
52 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
0answers
103 views

Lock screen security - reboot after X invalid PINs

I used following methodology to create a strong boot password on the phone, at the same time keeping a weaker PIN for screen unlock. Now I want to make sure that if someone tries to pick up a PIN, ...
1
vote
0answers
345 views

samsung grand duos 9082 doesn't see that my SD card is encrypted on it and there is no option to decrypt

I encrypted my samsung grand duos 9082 and then my SD card, using the settings for encryption. But then, to unlock screen, I decrypted my handset and I unlocked it by my samsung account. Then, the ...
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vote
0answers
78 views

K9 mail — susceptible to MITM attacks?

I am using K9 on Android and have set the SSL option to 'SSL (strict)'. My understanding is that with this option K9 definitely requires a valid SSL certificate which is issued by a trusted CA, i.e. ...
1
vote
0answers
281 views

Secure Galaxy Star GT-S5282 using simcard change alert

How can I secure my Samsung Galaxy Star GT-S5282 using the simcard change alert option. In other words, when a simcard is inserted in my phone a notification SMS is sent to other phones.
1
vote
0answers
61 views

Google Play store issue security breach

My daughter got an Samsung Galaxy 3 7" tablet for Xmas. She also got some Google Play gift cards. My husband put in a credit card to buy a game for her. The next day there were 4 games downloaded that ...
1
vote
0answers
597 views

Note 3 “Security information” notification

I've just set up a new Galaxy Note 3 and I keep getting the following notification: Security information An application attempted to access system on your device without authorisation. This ...
1
vote
0answers
381 views

Device encryption and broken screen

Assuming you have a device that is encrypted by the factory encryption option in the security settings of the device, and having said device suffer a fall and end up with a broken screen, what are the ...
1
vote
0answers
879 views

Rooted Device + MS Exchange Mail = Security Issues?

I am using a rooted Epic 4G Touch (Sprint GSII) @ JB 4.1.2. I am accessing corporate email via MS Exchange ActiveSync. I have recently been told that a rooted device is not permitted to access MS ...
1
vote
0answers
622 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 ...
1
vote
0answers
289 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 ...
1
vote
0answers
307 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
0answers
731 views

Browser's webview.db doesn't store Hotmail password, but it can still auto login. Why?

On my rooted Galaxy Nexus 4.1.1, stock browser doesn't store any password for Hotmail, but whenever I open Hotmail, it logins automatically. I checked data/data/com.android.browser/webview.db, the ...
1
vote
0answers
414 views

Possible security issues with having debug mode enabled?

Are there any significant security concerns with having a phone with debug mode enabled 24/7? As I understand it the debug mode only really becomes active once the phone is connected via USB cable to ...
1
vote
0answers
164 views

How can you enable “Use secure credentials” from the shell

On the ICS ROM I'm using, the option to enable the secure credentials is missing from the menu, but the sub system seems to be there since Keystore Locker can communicate with it. So does anybody ...
0
votes
0answers
17 views

Toast: MMS cannot be sent/received when mobile data is disabled — shows up at every boot in Moto G XT1033 running Lollipop 5.0.2

Details: Moto G XT1033 with Android Lollipop 5.0.2 Is there something wrong? Why would any app request this feature just exactly when I turn my cell phone on? (Click image to see its larger ...
0
votes
0answers
17 views

Options for Stolen Phone

With an iPhone, you tie your phone to an iCloud account - it happens at the bootloader level. If your phone gets stolen, the thief can't do anything until the previous owner releases the phone from ...
0
votes
0answers
46 views

Is it possible to bypass Samsung's Reactivation Lock?

I have set Reactivation Lock on my Galaxy S5 and I want to be sure if it will render phone useless for someone that steals/finds it or it's just easy to bypass by flashing fresh firmware with Odin. ...
0
votes
0answers
37 views

Mysterious Wifi traffic questions - Malware/eavesdropping?

everyone - I'm having some suspicions of malware infection on my phone. I have around 150 Mb unaccounted for by the built-in tracker on Android. Is there a way I could diagnose that? I have scanned my ...
0
votes
0answers
29 views

Traffic logs on android

Very noob question here, but I was wondering if there is a simple way to look at how much traffic I've sent or received on android (not rooted, no specialist apps installed for it). I burned through ...
0
votes
0answers
50 views

Found this amazing app on playstore, but how secure is it?

Today I came across a app on play store called RLWatcher. It is an amazing app which could come in handy in a lot of situations. It lets the user remotely sense movement, sound or even just the ...
0
votes
0answers
93 views

How to break Android OS security and root a phone, manually?

Not only that one click applications don't work on my phone, I want to DIY root my phone. Upon googling for quite some time, I couldn't find any updated guide. I am willing to write one myself, but ...
0
votes
0answers
217 views

Smart Lock not working, is it due to Outlook?

I have a Nexus 6 with Android 5.1, kernel version 3.10.40-geec2459, build number LMY47D. When I first started using the Nexus 6, Smart Lock worked. After a while it stopped working. If I open the ...
0
votes
0answers
34 views

Hard Reset on a Locked S4 with a Broken Screen?

My Galaxy S4 LCD is broken and I'm sending it in for a new phone. I'd like to hard reset it to wipe it, but my screen does not show anything, and Kies will not allow me access to it because it is ...
0
votes
0answers
25 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 ...
0
votes
0answers
46 views

Mail Program Not Supporting Exchange Security

Is there a email app for Exchange which does not support the Exchange security features? I am using my personal phone to read my work emails and I am not particularly happy about letting them dictate ...
0
votes
0answers
56 views

Can I bypass the lock screen caused by a filter - Samsung stock?

I have a Samsung S4 mini that has a parental control filter app called Net spark mobile. When the phone was given to me I tried to disable the application as it wouldn't let me alter some security ...
0
votes
0answers
14 views

Clear credidentials grayed out/no mobile connection

I've been looking at other threads similar to this and have not found success yet. The overall problem is that it says my SIM card is unavailable. This leaves me with no mobile connections obviously. ...