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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20
votes
4answers
8k views

My phone was just stolen an hour or so ago. Are there any options for tracking?

I realize this is a long shot, but my phone was lost or stolen a few hours ago. At the time it was stolen, I didn't have any specific applications installed to track it or wipe the data. So... my ...
38
votes
10answers
8k views

Is there a way to block access to or wipe my Google data for a lost/stolen phone

If my phone was ever lost or stolen, my only real concern is data and apps associated with my Google account, such as my Gmail, the ability to purchase apps from the Market, and maybe Picasa albums. ...
5
votes
3answers
40k views

Logout from Gmail on my device

It bothers me that my Android Phone is permanently logged into my Gmail account. I want to logout from the device and somehow make the phone ask for username/password when connecting to my account. ...
13
votes
2answers
3k views

What do the permissions that applications require mean?

When installing an application, the application lists permissions that it needs to perform its functions. I am creating this list of the the system defined permissions and a description of what ...
15
votes
6answers
2k 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 ...
14
votes
7answers
5k views

Are the apps safe? How can I make my Android more secure?

Are the apps on the Android Market checked or audited? If I search Google for "hardening Android", the best hit I can find is Google Android Hardening Checklist. What's your opinion regarding this? ...
5
votes
3answers
683 views

Are there any good firewalls available?

Does the android platform have any firewall application?
34
votes
4answers
3k views

Is an antivirus really needed for Android?

I use Linux for half a decade now, so I am not used to dealing with viruses anymore. To my surprise, I saw some discussion about antiviruses in Android. I haven't installed any yet, but this bugs me: ...
21
votes
3answers
5k 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?
14
votes
2answers
2k 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 ...
9
votes
1answer
833 views

Deny the installation of apps or add new accounts (kiosk mode)

I have a tablet that I want to give to people to go on the internet, but I don't want them to mess with it (install/unistall apps, add new accounts, change relevant options, etc). Is there a way to ...
11
votes
3answers
23k views

How can I override the Device Administrator security policy so that I can disable the lock screen?

On Android 2.2 Froyo, I added my Corporate Exchange Email account to the phone, however, the security policy set by the "Device Administrator" requires that I enter a 4-digit PIN at the lock screen ...
19
votes
2answers
3k 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 ...
15
votes
6answers
4k views

How do I secure/encrypt SD card data transparent to apps?

Are there any off-the-shelf options for securing the contents of an SD card so that files written by apps writing to SD are encrypted? If so, what is the best option? I'm looking for something for ...
12
votes
2answers
3k views

How can I make my phone/tablet ring remotely without a SIM card?

I appear to have lost my Streak somewhere in my apartment, and I can't call it since I don't have a SIM card in it. I've remotely installed Plan B just because, but unfortunately the GPS coordinates ...
10
votes
2answers
8k views

My android phone was stolen. How worried should I be with all my google data inside the phone?

Ok, so my samsung galaxy 5 was stolen. I had gmail, calendar, twitter(tweetdeck), facebook, ... all my personal data in it. I didn't have any app installed that could wipe this information from a ...
9
votes
3answers
3k views

deactivate PIN-request after airplane mode

When switching on the phone, one is by default asked to enter the SIM-PIN -- which is a good security measure, to prevent "strangers" from causing you costs. Now the same applies when returning from ...
17
votes
4answers
860 views

I have sold my phone on eBay. What should I do before I send it off?

I have an Android phone which I just sold on eBay. What measures should I take before posting it off to its new home? Please answer thoroughly!
25
votes
13answers
4k views

Are there any tools to sandbox a malware application even more than the granted permissions on Android?

Suppose I want to run some program which requests too many permissions. For example, record from the microphone or read IMEI of my phone. However, there are no practical explanation why recording from ...
32
votes
4answers
10k views

Just how secure is a pattern lock?

I recently had a phone stolen. It's been replaced, I've changed my passwords, the phone company has shut down connectivity for the stolen one... I think I'm pretty much as safe as I can be. However, ...
14
votes
1answer
10k 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 ...
9
votes
1answer
3k views

Child-proofing an Android phone?

Is there a way (an app, or a special launcher, a set of apps with instructions) that allows turning an Android phone into a child-proof "only call parents" one? Here are my main requirements (and ...
8
votes
2answers
8k views

Connecting to VPN forces having secure screen lock [duplicate]

Possible Duplicate: Transformer Prime, VPN and password protection I noticed that creating a VPN connection in ICS forces me to use a secure screen lock. I want to have Slide method for my ...
8
votes
2answers
242 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 precatuions are taken by Google to prevent any ...
11
votes
3answers
3k views

How would you uninstall a rogue Home (Launcher) application?

If you were to install a Home Screen application that does not give you access to the System Settings screen (to go to Manage Applications), and also does not let you launch Apps (such as the Market ...
15
votes
0answers
1k views

Security risks of rooting your android smartphone [duplicate]

Possible Duplicate: Are there any risks to rooting a device? What are the security risks specific to rooting your android smartphone? Are there any security exploits available because you ...
4
votes
1answer
784 views

Find lost device without Gmail account configured and without SIM card

I recently misplaced a phone that did not have gmail account configured and did not have a SIM card in it either. Is there any way I can track it ? All of the tracking apps either require sending an ...
3
votes
2answers
199 views

Double Security for Gmail

My phone has a pattern lock and I want friends to be able to unlock it with the pattern, however, I do not want them to have access to my gmail. Is there a way that I can force gmail to ask for the ...
12
votes
1answer
5k views

List of open ports on Android

Is there a way, on a non-rooted Android device, to see a list of what apps are listening on what port? Or even a way to see if an app is listening on a specific port?
9
votes
2answers
788 views

Security risks of “Open Wi-Fi Networks”

How paranoid do I need to be about allowing my phone to connect to open/unencrypted WiFi hotspots? I don't really care if other people see my data (email being received or sent, stock quotes, ...
26
votes
2answers
2k views

How does the Heartbleed security vulnerability affect my Android device?

The "Heartbleed" vulnerability in particular versions of OpenSSL is a serious security issue which allows malicious servers or clients to undetectably obtain unauthorized data from the other end of an ...
18
votes
2answers
5k views

Stolen phone: is changing your GMail password enough?

My Galaxy phone got stolen today. Of course I blocked my SIM card and changed my password for GMail (and went to the police) but is this enough? Could the person that stole my phone still log in to ...
18
votes
3answers
1k views

Audit app permissions easily in one place?

Is there anyway to list all the applications installed on your phone and the permissions they require all on one page, or export the list so it can easily be audited?
6
votes
3answers
1k views

Is there an Android calendar with limited security permissions?

I've just bought an entry-level Samsung Europa, running version 2.2. I'm technically-minded but new to this OS. I'd like to find a calendar that runs in limited security permissions, so that my ...
20
votes
5answers
7k 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 ...
17
votes
2answers
983 views

If I use free WiFi in a hotspot, can data be easily sniffed?

If I use my mobile device in a Wifi hotspot, can I take it that it bears the same risks as using a laptop in that data can be easily sniffed and that the mobile device is also open to ...
11
votes
1answer
2k views

How do I protect my phone from malicious apps once it is rooted?

I rooted my phone. Now if I use a Terminal Emulator such as Android Terminal Emulator, I noticed that I can can easily obtain root access without a password: $ id uid=10059(app_59) gid=10059(app_59) ...
9
votes
4answers
9k views

Certificate Install without mandatory PIN lockscreen

Google Support says: The type of lock that's acceptable may be predetermined by your system administrator. Where I can define what's acceptable? I can regenerate the certificate if needed. So ...
4
votes
3answers
1k views

Are Tmobile using bogus DoD IP addresses (bogons)?

I recently started picking up some weird entries in my firewall log: kernel: arplookup 26.XXX.XXX.XXX failed: host is not on local network There are at least at dozen entries, all to different IP's ...
4
votes
0answers
340 views

Best lost / stolen device tracking app [duplicate]

Possible Duplicate: Helping a lost phone get found What is the best tracking app for a stolen or lost device? I've tried iTag but I'm thinking about switching to Prey ...
4
votes
3answers
8k views

“Account unlock” when not connected to internet?

I have a Samsung Galaxy Y mobile phone. I see this screen when I press "Forgot Password" in the pattern lock screen that comes by default with the phone: My Question is: How would my account be ...
4
votes
3answers
5k views

How can I disable or password protect my device's 'factory reset' function?

Is there any way to prevent a factory reset, like password protection? I would basically like to protect my phone from resetting if it gets stolen.
3
votes
5answers
3k views

Remote factory reset and changing Google password

In case I ever lose my Nexus 4 phone, I've opened to the Google Settings app, then tapped "Android Device Manager" and from there, I've enabled both "Remotely locate this device" and "Allow remote ...
3
votes
2answers
1k views

What is this Google Settings app that installed itself on my phone?

Today, all of a sudden I saw this app in my Samsung Galaxy Y mobile phone: I am talking about the app named "Google Settings" I uninstalled it immediately only to find it installed again a few ...
3
votes
1answer
759 views

DroidX data encryption - which algorithm and how strong?

I have a follow-up to the question posted here. I recently got a 2.3 DroidX phone, and noticed that it as well has data encryption option. I pulled an SD card from device, and noticed that folder ...
1
vote
1answer
404 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
5answers
3k views

Locking SDHC Memory card on Samsung Galaxy 2

I have stored an important document on the SDHC card on my Samsung Galaxy 2 phone (so that I can edit it on the go). I don't want others to access this file or document without my permission. I know ...
20
votes
2answers
28k views

How is the Gmail password stored in Android - and where?

I have looked around and found no information on how Android manages to store passwords on the device. Especially Gmail passwords. I'm looking to learn how Android encrypts and stores passwords ? What ...
30
votes
2answers
2k views

Encrypt the phone's internal storage

Is there a way to encrypt my phone's internal memory, in the same way you would encrypt a computer's partition? Ideally, the phone would always ask for the password when booting, and even if someone ...
18
votes
1answer
10k views

How can I verify the authenticity of an apk file I downloaded?

The latest update of Google Maps is unavailable in my country, so I downloaded a version by googling for "Google Maps 5.4.0 apk". I did in fact find it, but now I wonder how I can tell if this is in ...