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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530 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
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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 ...
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
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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 ...
10
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1answer
11k views

On Android, how can I disable Google Chrome's incognito mode?

Google Chrome for Android includes a feature called incognito mode. This feature, when I activate it, is designed to help prevent Chrome from automatically remembering and storing information about ...
3
votes
2answers
2k views

Is it possible to use “unlock with fingerprint” feature, and be asked for (after boot) giving passphrase and fingerprint on encrypted Galaxy S6

I would like to purchase a Samsung Galaxy S6. One of the main reasons for the choice of device is the (apparently) good fingerprint sensor. I would like to / have to encrypt my phone (my employer ...
2
votes
1answer
554 views

When you lock down a Lollipop device to disable Chrome's incognito mode, this creates an XML “restrictions file”. What actual XML is inside the file?

Note: If this post is too long to read, please see the summary in the last paragraph. I own an aging Samsung Galaxy S Relay cellphone. It's running Android 4.1.2 and has a built-in physical keyboard. ...
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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, ...
2
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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 ...
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. ...
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 ...
1
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0answers
31 views

Can Samsung patch security faults on their devices by an update?

There was an exploit that turns Samsung Galaxy phones into remote bugging devices (reference: ArsTechnica) As many as 600 million Samsung phones may be vulnerable to attacks that allow hackers to ...
34
votes
7answers
6k views

Stagefright security issue: what can a regular user do to mitigate the issue without a patch?

There appears to be a giant security vulnerability with Android that seems to basically affect all phones. PC World wrote: The vast majority of Android phones can be hacked by sending them a ...
0
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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 ...
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
0answers
283 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 ...
3
votes
2answers
125 views

Does using various app stores in parallel cause any issues?

I am using a Android phone with Lollipop and found that apps can be installed from various app stores like Google Play, Amazon App Store or F-Droid. Are there any problems I can run into if apps are ...
0
votes
1answer
106 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 ...
0
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0answers
304 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 ...
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
1answer
720 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
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 ...
0
votes
0answers
110 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 ...
19
votes
3answers
1k views

When selling your phone, what steps should be taken to make sure that all personal data has been removed?

I am getting rid of my Samsung Galaxy S4 and want to know what steps I should take to make sure that private information has been deleted from the phone. I have removed the SD card and cleared all of ...
0
votes
1answer
93 views

Can I remotely unlock my phone after I've remotely locked it?

Someone has stolen my phone s4 and is trying to extort me for 100 $. If I remotely lock my phone can I unlock my phone remotely? to let him know that I'm going to shut it down if he doesn't act.
1
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0answers
535 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 I'...
2
votes
1answer
131 views

Track down what is putting icons on my desktop

Starting in the last week, something is putting icons on my desktop. I've not installed anything new on this phone (Android 4.2.2) in at least 2-3 weeks (and anything that was installed has been ...
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
1k views

How to recover data from a screen-bricked phone?

Situation I've got a Samsung Galaxy Fame with a broken touch screen. The owner had it protected with a pattern, and as I am unable to make this pattern with a broken screen, I cannot mount the ...
0
votes
2answers
2k views

Completely disable hardware and software buttons

I want to completely disable the three on-screen buttons (Back, Home, Recents) and any other hardware button. I am aware that I cannot do this from the application since that would be a major security ...
0
votes
1answer
2k views

System has been modified. Pls contact the manufacturer. Thank you. — i don't know what this mean and something's wrong with my phone.

--- I accidentally deleted my android device manager and other folders on my phone that i thought was not useful at all. After, this message on my lock screen appeared. And i can't unlock my phone ...
0
votes
2answers
157 views

How to understand app restrictions set by developers

So I was just looking at are very standard app, - Bank of America and Ally Bank. none of these apps showed up on Google Play Store and in my list of devices they indicated as being incompatible . So I ...
1
vote
2answers
204 views

Malware installed with remote debugging

Is it possible for someone to install apks without you noticing, using remote debugging? (E.g. over TCP/IP, or on the same WiFi network). I found articles referring to this after a quick Google, but I'...
0
votes
0answers
73 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
39 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
80 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
312 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 ...
1
vote
0answers
89 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 ...
0
votes
1answer
956 views

Disable long press home button

how can i disable or set password on long press home key button on smart phone. as you know with long press of home button, the running process (like sms, gallery, internet explorer,...) will be shown ...
1
vote
1answer
387 views

what are iss-realsec ,nrpe ,cbt services and are they good?

I am playing with nmap command and for testing using my Lenovo A6000+ phone. When I have scanned its IP with nmap command , its gave me a bit strange result which I am not familiar. Could somebody ...
3
votes
0answers
2k 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
1answer
194 views

How to reverse a wipe request for a stolen phone

my phone was stolen two days ago and magically found its way back to me today. I activated the wipe function for when the phone is turned on. I'm being told that it hasn't been switched on yet so I'...
2
votes
3answers
6k 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 tek,...
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 ...
2
votes
1answer
553 views

How to encrypt an external SD card natively?

There are several questions regarding the possibility to encrypt an external SD card on Android. None of them are satisfactory. They either point to a third party solution (e.g. BoxCryptor, Cryptonite,...
1
vote
1answer
468 views

Tasker: remove security lock when smartwatch is connected

So I just downloaded Tasker because it would be nice to remove the security code when I'm close to my phone (when my smartwatch is connected). I have no experience with it so I thought you guys could ...
4
votes
1answer
459 views

Can an app run code if you don't open it?

Can an app run code if you don't open it? As part of this question, the topic of an app downloading data without ever being explicitly opened by the user was mentioned briefly. It got me thinking: ...
0
votes
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
129 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 ...