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 ...

learn more… | top users | synonyms

1
vote
1answer
3k views

How to see the device list of a given Google account

I have many test Android devices and added my Google account to those device to reuse my application collection. Recently I often recieve payment notification via gmail for application which I really ...
0
votes
0answers
269 views

Why does AVG consider android keychain harmful?

I just got this Lenovo tab 2 A8. When I ran my first AVG scan, it pinpointed Keychain as a threat. What is Keychain? Is it necessary? If not, how do I get rid of it?
0
votes
0answers
56 views

Use and interpretation of AIMSICD

I just downloaded AIMSICD and I understand pretty much what it does but what am I looking for when reading its statistics, results and maps?
2
votes
2answers
254 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 ...
1
vote
0answers
55 views

Is there a way to use a phone as a virtual keychain for NFC tags?

So let's say I have a bunch of things that can be unlocked via NFC. Each thing would correspond with one tag and one tag only. The problem would then be that I'd have to carry a bunch of tags around. ...
0
votes
2answers
131 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'...
2
votes
1answer
122 views

Pop up about security problems

I had a lot of these pop ups and I don't know if it's for real or not.
23
votes
2answers
4k views

What Android sync'd data is encrypted?

With the release of the firesheep plug-in for firefox it has become trivial for website browsing on open Wi-Fi networks to be hijacked by 3rd party listeners. Android offers the convenient auto-sync ...
29
votes
1answer
24k views

What's the security implication of having an unlocked boot loader?

Nexus devices can be unlocked using the fastboot command fastboot oem unlock to install a custom firmware. For security reasons, the phone is wiped when this command is executed. However after this is ...
0
votes
0answers
49 views

How to enable password entry for encrypted lollipop but disable built in screen locker at the same time?

I want this because I want to use a strong password to protect my device at boot time, but protect the screen with one time passwords when it is already turned on.
6
votes
3answers
197 views

security implications of participating in app beta testing? [closed]

I am an IT professional (but not in app development). Two days ago someone contacted me about a blog post I made and invited me to participate in beta testing for a messaging app which was related to ...
8
votes
2answers
450 views

Android and antiviruses

This is actually three questions: Are anti-viruses needed for smartphones running Android OS? Is the Android Market absolutely safe (because all precautions are taken by Google to prevent any ...
8
votes
5answers
766 views

How to improve the security on my Android phone?

When I use Android in business I have some secret data on my phone. So if I lose my phone this can easily be stolen. Is there any way I can secure my phone? E.g. adding password for unlocking it. Any ...
1
vote
0answers
134 views

Where does the “privacy protection password” come from?

I wanted to insert a second sim card in my Umi phone. From then onwards, it always asks me for this 'privacy protection password'. I can only insert numbers, not letters... so I'm very puzzled about ...
0
votes
0answers
54 views

How can I check in my Android has been compromised?

I noticed this morning that there was an email in my drafts folder. Inside, was some semi-gibberish text (a couple partial words crammed together). It was definitely not something I typed. I ...
3
votes
2answers
115 views

If I can access bubble of Messenger like apps from home screen then does it not mean any other app can also access that app? Is Android safe then?

In Android phones, we can access Messenger and many more apps similar to it from home screen ( like bubble-heads, lyrics etc). With this we let one app in your phone access another app, (we can use ...
0
votes
2answers
52 views

How safe are downloadable lock apps?

I've noticed quite a few lock screen apps and some of them do seem to be rather interesting. But, are they really that secure? I've seen some where I can bypass them by using the Recently Opened Apps ...
0
votes
0answers
59 views

Is there any way to backup or transfer AppOps settings?

For those of us who use AppOps, we have hundreds, if not thousands, of settings stored in that app. When transferring to a new device, is there a way to transfer those AppOps settings from one device ...
0
votes
1answer
67 views

What are the security implications of enabling NFC on my Andriod device?

My first NFC-capable Android device (running Lollipop) is on its way. I've been doing some research, and got some info on how NFC events are handled internally, but I'd like some more practical ...
1
vote
0answers
65 views

Combining Ghostery and HTTPS-Everywhere on Android?

On my PC (Windows 8.1) I am happily using Firefox with the Addons Ghostery and HTTPS-Everywhere. I really like this combination so I winder how I can achieve the same things on my Android phone. I ...
8
votes
4answers
6k 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 ...
1
vote
0answers
76 views

New Android Hack/Compromise?

In the past three weeks, I've received calls from numbers I don't recognize and haven't answered them, but these calls leave voicemails over a few minutes. I've listened to a few of the voicemails ...
0
votes
0answers
130 views

How to block some URL`s in Android Louncher App without root?

There is a list of sites, but the user should not be able to go in the running, installed application (Launcher). How to implement this feature on phones without root rights ? For example, I ...
3
votes
8answers
17k views

Does encrypting an Android device add any real security benefit over a key-lock?

Would encrypting my Android device make my data any safer in case of theft? It seems to me that since the encryption key necessarily is identical to the PIN code or password used for the key-lock, ...
7
votes
3answers
1k views

How can I securely store my private key I use for logging into my home PC

I've been told that the SD card is a terrible place to store secure data because any app can read it. How else can my phone store my private key I use to log into my home PC ssh server?
4
votes
2answers
181 views

Protect ADB access via network?

I have several Android devices in a local network. (Android Set Top Boxes from Geniatech, running 4.2 Jelly-Bean) If these boxes have problems or need debugging, I simply connect to them via adb ...
1
vote
2answers
284 views

How do certain apps record everything we type in android?

Certain apps like Type Machine claim to be able to record everything you type. You have to install it and activate it from the device's accessibility settings, then it can somehow record typed text. ...
0
votes
0answers
529 views

A message said someone from Ukraine accessed my phone. What to do? How to see this message again?

While I was using my Samsung Galaxy S3 (Android 4.3), a message suddenly popped up saying that someone accessed (or tried to access; I don't exactly remember) your phone from Kiev, Ukraine (I'm in the ...
0
votes
1answer
34 views

Does smart lock check all active verification methods or only one of them?

I've recently started using smart lock. I've enabled two features: a trusted place and a trusted face. I cannot understand if in this case both of these mechanisms should pass to unlock the device or ...
0
votes
1answer
44 views

What device is listed only as Android on list of devices that accessed my account?

I have an LG Optimus Zone 2. On the list of devices that have accessed my account one shows up as Android, but no other information is given. What type of device is this? Why aren't there any details ...
0
votes
0answers
132 views

Restore lock screen password

I have set a password for my Android device long ago which I have already forgot. I have downloaded an app that enables me to log in using a password. As I understand it, the app overrides the Android ...
2
votes
3answers
175 views

How long can I reasonably expect security updates to be supported? [closed]

In light of the recent "stagefright" MMS vulnerability, I understand that while Google may release fixes to security vulnerabilities, it requires co-operation from the handset manufacturer to deliver ...
0
votes
0answers
144 views

Can I receive security updates without upgrading from KitKat to Lollipop?

I have a Samsung Galaxy Tab S tablet, and it's currently running the stock Android 4.4.2. A friend of mine had her Galaxy S5 upgraded to Lollipop, and i personally don't like the way it looks, ...
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
2answers
5k views

Turn off automatic loading of MMS messages [duplicate]

A new exploit is said to exploit MMS loading. For now, there's not much end users can do to protect themselves other than to install a patch as soon as one becomes available for their specific ...
6
votes
1answer
675 views

How does CF-Autoroot work?

What's the theory behind how CF-autoroot is able to root android devices? I'm wondering on what techniques it used to run su? Does it use a custom/patched Linux kernel? Or it is based on local root ...
0
votes
1answer
1k views

My screen lock is set to “PIN”, and I can't change it to “Swipe”. Why not?

I have tried to do the fix as suggested on here however my swipe option states it was disabled by administrator or something like that. Not sure how I even set a PIN in the first place. How do I ...
1
vote
1answer
2k views

Avoid Security for Outlook app in Android for lock screen

I had a concern recently regarding my lock screen privileges. I recently installed Microsoft Outlook App for Android and with the installation they asked me to encrypt my phone with either pin, ...
1
vote
0answers
282 views

Nexus 5 WiFi problems

I believe it's somewhat well-known that the Nexus 5 has had more than a few hiccups with certain wifi networks. However, I'm not sure that the main reasons for wifi connectivity issues is as well ...
8
votes
3answers
271 views

Is there a service that rates app security/permissions?

Is there a service/company/app that vets Android apps and reports on their "trustworthiness"? I recently moved from Blackberry to a Galaxy S2 which does not have an LED indicator light. I searched ...
19
votes
6answers
3k views

How can I find a lost phone or help people return it?

I'm looking for an app like Where's My Droid to help locate a lost device. Ideally I'm hoping there is one that might have two specific features: The ability to display a message to the screen to ...
0
votes
1answer
102 views

Will Security apps work even after flashing new rom?

Assume that I have turned on Android Device manager to locate my phone in case of theft, and I also installed some security apps which can send message when someone tries to change the SIM card. ...
1
vote
0answers
50 views

Samsung keyboard security bug - was patch released?

Last month, a security flaw affecting the bundled (and unremovable) keyboard app used in many Samsung devices (S4, S5, S6) was announced: New exploit turns Samsung Galaxy phones into remote bugging ...
1
vote
1answer
1k 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 ...
0
votes
0answers
303 views

how to remove guest creation option while phone is locked

In lollipop, I see the option for creating guest account. During phone is locked with pattern or pin, anybody can just pull down the notification bar and create a guest a account and access my all ...
5
votes
1answer
139 views

Is my device vulnerable to the SwiftKey update bug? (June 2015)

Quoth The Independent: There are usually protections in place that stop hackers from performing what is called a “man in the middle attack”, by encrypting communication with the server, as well as ...
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
133 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 ...
0
votes
1answer
82 views

Can't change security settings due to VPN setup

This appears to be a duplicate of this post, but the solution there didn't work for me. Clearing the credential storage wasn't even an option -- it's greyed out. Starting at the beginning -- I ...
1
vote
0answers
215 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 ...