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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46 views

Unable to download here maps

Guyzz I am trying to download here maps on my redmi 2. But it's not working I mean while downloading maps for India it keep on saying preparing. To download nothing happens further. Please help me to ...
0
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0answers
39 views

adware site through Phishing attack activated a VAS on my android

I suddenly got an sms from my service provider (Vodafon IN) that Silk Pack is active on your number as requested and rental of Rs. 15 has been deducted I had made no such request so i ...
7
votes
0answers
64 views

Are there any Google devices that support capabilities in their default kernel?

If I systemless root (no modification done to /system partition) a nexus device, would I be able to able to set capabilites on executables without changing the original kernel binary ? I often want ...
0
votes
1answer
271 views

Can I bypass the Google Verification on my Huawei Mate 8? [duplicate]

I just bought a Huawei Mate 8 and I can't set it up due to the Google account verification in the setup process. I've messaged the seller asking for the account details but he doesn't know. I don't ...
4
votes
1answer
793 views

How to disable pin/pattern lock in android device

I am not sure this is the right place to ask this question.? I have enabled pattern lock in my android device. Just for curiosity I am trying to disable and keep only swipe to unlock option but I can'...
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0answers
32 views

Can I use encrypted phone as a means of secure storage?

I have an encrypted Android phone. Can I mount this device to my computer and save files to it as a means of secure storage?
0
votes
0answers
31 views

marshmallow security update bug

The April security update left my Nexus 5 with a mac address of zeros. How can I rollback this latest update?
0
votes
1answer
49 views

What are the implications of an old Android version?

There have been various bugs and security flaws found in different versions of Android. Many have been pached in newer versions, but the non-updated devices remain bugged/vulnerable. My questions ...
1
vote
1answer
62 views

How to check that an Android device isn't being used in a botnet / sending spam emails?

I've discovered that my home network IP address has ended up on several blacklists after spam traps received emails from this IP address. I've tested the one PC that uses this network, and it seems to ...
0
votes
2answers
147 views

How to remove gunpowder virus?

I have recently been having problems on my device which includes random apps appearing on my phone and some chinese app that somehow was "pre-installed". As i scoured the internet for answers, i ...
0
votes
1answer
80 views

anyway to find stolen device location through android device manager while location is off?

My android device was lost few days back and now someone has it, unfortunately location setting was off on device so I can't find it through device manager but its telling me device was online 2 hours ...
1
vote
1answer
49 views

FB Messenger Security

Does anyone know how secure Facebook Messenger communication is? If you are having 1x1 chat (writing messages) or making a voice call, is it encrypted (end to end)? I know if you are using facebook....
6
votes
1answer
81 views

What are the security implications of using an app built “for debug”?

I've just come upon several .apk files hosted with Github projects which are "compiled for debug" (i.e. having application-debuggable set, which one can e.g. check using aapt dump badging /path/to/apk ...
1
vote
0answers
370 views

Move all my Authenticator credentials to a new phone

I have enabled 2 factor authentication, using Google Authenticator, for 6 services: LastPass, Dropbox, Evernote, Wordpress, Tumblr and Google. How can I transfer them all to my new phone? I followed ...
0
votes
1answer
53 views

How to protect all my passwords saved in Google if I lost a phone?

I save many passwords in Chrome. I used Chrome in my laptop and my android phone. If I lose my phone, how I can protect my passwords?
3
votes
1answer
269 views

Require fingerprint to answer call?

A friend has a problem with other people answering their phone and thereby intercepting their calls. Is anybody aware of an app, setting, or Android distro that requires a fingerprint swipe to answer ...
1
vote
1answer
96 views

Google password compromised?

A few days ago I noticed my phone notify me about my Google play account as if I had changed my password. Yesterday I found out I had been infected with a rootkit and a packet sniffer. I was able to ...
0
votes
0answers
44 views

Preventing users removing managed accounts

I've been using Android For Work (Google Admin) for a while now and I'm fairly happy with its range of policies available. Some of the main policies I've been applying for enrolled devices are ...
1
vote
1answer
303 views

6.0.1 fails to send MMS over PIA Always-On VPN when using 4G LTE

Yesterday, I set up a PIA VPN. I've configured it to use IPv4 over T-Mobile 4G LTE. I'm unable to send or receive MMS while connected to the VPN -- they can be sent/received as normal when the VPN ...
0
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0answers
49 views

Brute Forcing Android Lock; How Long Does It Take?

We've seen that iPhone calculation takes 80 milliseconds per trial to complete. And there's further increasing time penalty with each wrong trial. Android uses scrypt to generate its Encryption key, ...
6
votes
1answer
152 views

Login to Android 6.0 with NFC card and Password

I am evaluating MI5 and its NFC functionality. I am considering to compliment my Samsung Galaxy S4 GT-i9506 with MI5 because of various significant improvements in the hardware, software and ...
0
votes
0answers
22 views

Is 4,294,967,295 the conceptual limit of apps installable to a android device? [duplicate]

This is a somewhat conceptual question. I know that other limits (i.e. like memory limit the number apps installed much more). Question According to the security guide of android.com sandboxing (and ...
0
votes
0answers
105 views

How to Implement fix for Samsung's CVE-2015-7888 in CM13

I run the security checkup of DuoSecurity lab here. They say my phone has the vulnerability CVE-2015-7888 in Samsung Galaxy S4 GT-I9506 which is using CyanogenMod 13. CVE-2015-7888 Remote Code ...
0
votes
1answer
153 views

Prevent USB data transfer (when phone is in use) and being charged

I would like to know how to protect my data when I use public battery charger in public places. I know that if I do not unlock my screen when charging, my data is safe, but what if I would like to ...
0
votes
0answers
83 views

How to show SSL fingerprint of a self-signed certificate in Firefox for Android

I set up a website with a self signed SSL-certificate. As this website is just used by me for now, I'm fine with checking the fingerprint when connecting to it. This works just fine with Firefox or ...
7
votes
1answer
1k views

How to get the latest security updates for CyanogenMod?

I have installed CyanogenMod in February 2016, and the device information showed Android version "5.1.1", and the security patch level was "November 2015". This hasn't changed until today (2016-02-...
0
votes
0answers
21 views

Is it possible to require “initial unlock” for smart lock

Is it possible to enforce initial unlock while using smart lock? For example, I'm using smart unlock with "Trusted places" and I would prefer it didn't automatically unlock when I get in range of my ...
13
votes
1answer
415 views

Canonical explanation of Android Encryption and Vulnerabilities

Note: Well, the bounty expired and one possible reason could be effort required to address as I gather from comments. Seeing the number of upvotes, it appears to be of interest to others as well. I ...
0
votes
0answers
19 views

marshmallow and personal security/privacy [duplicate]

I've been reading the news in the US about a court order for Apple to help the FBI bypass the security check present on devices running iOS8+. Since iOS8, Apple has stopped storing encryption keys on ...
13
votes
2answers
646 views

Does full device encryption protect my data from Google and the government?

Apple recently made waves within the tech community by refusing to comply with law enforcement in regards to accessing encrypted user data. Their statement was that they do not have the technical ...
0
votes
1answer
71 views

Famoc & KNOX on Samsung XCover 3

I have a problem, I have a phone with Famoc & KNOX enterprise security applications. I was able to root the device with Odin, I've installed twrp-2.8.7.0 & SuperSu. I've removed this Famoc ...
0
votes
1answer
53 views

What can be accessed if phone is lost?

If a phone has not had its bootloader unlocked, has not been rooted, has a finger print lock as well as a pin lock if the fingerprint lock doesn't work. How much can a thief access on the phone? Will ...
0
votes
0answers
35 views

What does stop somebody from flashing a custom recovery and pulling all user data?

For example, I was able to install a Clockworkmod recovery on my Samsung Galaxy Ace 3 phone via Odin and back up all the data in a few clicks. But if I could do it, what would stop somebody else who ...
3
votes
1answer
58 views

Protect from theft at flash level

There are a lot of apps that could block your phone in case of theft, take picture of thief remotely and such, but in case of reset any of this security methods will be useless So I was wondering if ...
2
votes
1answer
253 views

Can't remove stolen phone from account

So I had an Android phone stolen - nearly two years ago now. When it was taken, I immediately reset my Google account password (and most others). I have 2-factor auth on my Google account. I have ...
0
votes
0answers
26 views

Custom ROM - easiest way to default to functional adb

When building a custom ROM (or for that matter, modifying existing) - what's the best way to make sure that the OS starts up with adb-USB enabled, and with the host's key already accepted?
0
votes
1answer
38 views

Keeping forensic cops out

I was just arrested and bonded out immediately. my phone was confiscated. It was an Android and is there anything I can do to keep them from accessing the contents of my phone? Would deleting my ...
1
vote
1answer
229 views

Phone number detected by a web page when browsing from chrome for android

I recently got subscribed to some alerts by the mobile provider automatically and some amount deducted from my phone balance. I called up the customer care centre and they agreed to refund the amount, ...
1
vote
0answers
83 views

How to hide winrar or other apk files in general?

I have stored some important files in my android phone in rar format. I've hidden these files in .nomedea folder. I've also enabled password for these files via win rar. The problem is for opening ...
11
votes
1answer
933 views

Why is fingerprint lock considered less secure than pattern lock on Nexus 5X?

My Nexus 5X highly recommends to set up pattern lock in addition to fingerprint lock, and the pattern is asked upon every reboot. And my password manager (KP2A) recommends to use fingerprint unlock ...
0
votes
0answers
62 views

Protection from flashing ROM

Hi so i was trying to theft protection my android phone. I unlock screen lock code, Cerberus with root privileges and also I'm about to encrypt my phone(not that it helps much to recover your phone ...
-1
votes
2answers
133 views

Why aren't these UI “hacks” more often exploited?

I'm asking mostly about the global UI "hacks"1 in use by Facebook Messenger (specifically, chat heads) and the Facebook app itself (specifically, those really annoying "psuedo-Lollipop" notifications ...
3
votes
1answer
259 views

How to override default Android's default screen lock security policy?

I want my Android device screen to open without requiring password. So I chose "none" option in Security settings. But, when I needed to add a VPN connection, it required me to provide a password, PIN,...
0
votes
0answers
46 views

Extract OS signing public key

I have got a OnePlus Two with OxygenOS (an Android ROM made by OnePlus). I modified my OS by installing Kali Nethunter, and I now want to flash back to stock OxygenOS. I found the .zip file on the ...
0
votes
1answer
87 views

Android rooting security considerations

I know this question has been asked many times, but I didn't see a clear answer to it from security experts, or it is from several years ago and things might have changed. My question is double: ...
-1
votes
1answer
79 views

Can a hacker simply copy shared prefs from one device to another to hijack a user session/state?

I'm an Android apps developer. I'm trying to address a security concern in one of my apps. I need to test a scenario in which someone will try to copy the shared prefs file (or files) from one ...
0
votes
2answers
29 views

How do I safely “copy” my gpg keys from kgpg on Linux to an Android app like openkeychain?

The title says most of it. I have a key pair setup on kgpg running under Kubuntu 12.04 Linux on my notebook. My smartphone (Galaxy S3) has no SD card slot. I want to be able to transfer files between ...
0
votes
0answers
90 views

Disable android call dialer/function for public 3G tablet

I'm putting an Android tablet at a public display area and the tablet needs to be powered by a 3G sim card. I don't want anybody to dial out using this tablet. I read somewhere that I can disable ...
0
votes
0answers
56 views

Make a app Package For android

I have made a "Security" phone for my personal use. I have about 49 apps and about 7 wallpapers. Can I make a package that when flashed in a Custom Recovery It installs all of the apps and make the ...
1
vote
0answers
46 views

How are internal components of Android tested before releasing?

How are the internal components of Android such as Zygote and Binder tested before being released? I tried looking around for answers to this but most resources (blog posts and research papers) I ...