When you install apps from Google’s play store, you grant the applications a number of rights. But why do we need the software access to the contacts, the phone status or identity actually? The dangers of such access rights? And what permissions are there at all? Our site UN-folding the permission groups and explains what you allow the app in the worst case.
Why do apps permissions?
Normally run Android apps in a so-called sandbox. This means that they are isolated from the operating system and without direct access to personal data executable. So they work properly however, many apps access need to some of the denied areas. Serve the permissions. While many of the rights granted are useful, others are questionable and some critical to look at. Before the installation, the user should examine therefore the meaningfulness of individual permissions. The many individual authorizations are summarized in obscure groups. The alert details, which are available in every app available, give also, unfortunately no detailed information about the importance of rights. The overview of app permissions and what they mean described the groups and individual permissions.
App permissions and what they mean
In-app KaufeUber is the settlement of purchases within an app, such as new game content and additional features for an application the play store. You can just obtain subscriptions for streaming or media for eReader game currencies for freemium games. When a purchase opens a dialog box in which you will need to authorize the transaction. Apps can make no purchases without consent. In the case of a new installation of applications, permission is also used to query what in-app purchases you have already made.
Conclusion: Caution is at play, especially in children’s hands. Have you required selected authentication for purchases in the settings in the play store however and the password is known only to you, in-app purchases are safe. Device and app-VerlaufZu of this group include confidential log data read permissions to retrieve intrinsic State, bookmarks for Web pages and the Web log reading, as well as retrieve active apps. These are necessary, so that the app user can better resolve crashes and error messages. For example active apps must obtain applications such as a task manager.
The permissions also involve a risk to privacy but under certain circumstances. An app log-in the and passwords, have applications that read confidential log data with the permission, the opportunity to spy out private data or to get sensitive user data from the apps.
Conclusion: The permissions can be useful for complex apps. Theoretical analysis of browsing habits can be but if granted access to the Web log. Settings for MobilfunkdatenInsbesondere apps that have the power consumption of your mobile device at a glance, might need this permission, for example the mobile Internet connection on or shut down.
Conclusion: Controlling the mobile data connection and possible access to data it receives from San Diego risk represents however, so be careful in demanding this permission. Read IdentitätDie right accounts on the device search, add accounts or remove your contact card and change your contact card among the permission group identity. An app enables the login accounts (Facebook, Google +, Twitter) that are stored on the device, she needed app access to this account. Third-party clients for Twitter is another example of application. Adding or removing accounts is it mandatory, they appeared then in the account overview of the Android settings.
Conclusion: third-party log-in the comfortable and a frequent offering in apps. Ultimately, the access to information about their identity or the own accounts in social networks but is a privacy risk. If you are unsure, should create a separate account by name and email address in case of doubt, instead of using log-in data from social networks. Contacts that are stored on your Smartphone or a tablet that can be read and modified. WhatsApp Messenger programs often require permission. So the app displays the contacts with mobile phone number in the Messenger service, you can send such messages to them and the contact name is displayed in received messages. Furthermore, the permission is used, if a matching of contacts with the app database should be possible. So, the address book with the Facebook app can be search for contacts, which has not yet been added to your friends list.
Conclusion: Not all apps are carefully with the data. Therefore, you should exercise caution and good think about whether you have a matching would allow the stored contacts. It is privacy-legally questionable, since not all contacts have agreed to spread their data in the network. KalenderAnwendungen can use this permission read calendar entries and confidential information, may change calendar entries and add and send E-Mails to guests. An alternative calendar app needs this permission to manage your calendar. Other apps use the rights to mute functions during an appointment.
Conclusion: Only, if an app needs this permission, so that she can fulfil their purpose, you should grant them. StandortZu of this group include the rights: approximate location (network based), exact location (GPS and network based), access extra location provider commands, as well as access to the GPS. The navigation apps without this information does not come out, might make sense. Social networks such as Facebook, to transmit your location to friends, for example, use these permissions. Apps which these permissions are granted on a few meters know exactly where the user of the application is.
Conclusion: a matter of trust again. An app can create a fairly accurate motion profile of the user with this data. SMS NewsThe permissions, which are summarized here, refer to SMS and MMS. They could be received, read and edited. SMS sending, fees can apply a standard warning, which does not directly concern is worrying, since Android for sending a text message to a premium numbers (0900) the user warns. Rarely even WAP messages show up received in this group, which refers to the transfer of cellular data settings via SMS. Messenger like WhatsApp permissions use to send confirmation SMS with a code to the mobile phone number. This saves the user a manual entry. Alternatively phone apps do not need these permissions, a wallpaper app for sending SMS/MMS, however, rather.
Conclusion: an app has a few positive reviews and the benefits of permission for the application is not obvious, you should consider, to refrain from the use. TelefonZu the permissions that require access to phone functions, include: directly call phone numbers, this fees can apply call list, edit and read, redirect outbound calls, change phone status without your intervention to make calls. Skype and other apps to IP telephony calls for example directly. Choose phone numbers directly, which can be a convenient feature. You should look better untrusted apps in demanding such rights on the finger, because potentially costs may arise. Read and edit call list is for System cleaner apps by advantage, for example, it can be used by other applications as well as spying of the user.
Conclusion: What could the app use this permission? Users from the use of an application should ask themselves this question. Photos/media/DateienFolgende single permissions fall into this group: USB memory contents read, modify or delete, format external memory, provide or disable. For an app, for example WhatsApp can access music, photos, videos or other files in the internal memory or on the SD card, it needs the appropriate permission. Also applications such as file manager, Media Player, podcast – and camera apps and system tools need access to external memory to store data on an SD card.
Conclusion: The permissions to read, write, and delete the external memory are rather harmless. Formatting and providing external media should however remain limited on apps, which satisfy an appropriate end. Camera/MikrofonSoll an app a photo, video, or voice record, you need permission. Photo apps or applications social networks need access, to shoot photos and continue to process. Also QR-code reader or flashlight apps can exclude bad camera access.
Conclusion: the need for the permission does not appear, you should not install the app. Wi-Fi VerbindungsinformationenEinige apps want to retrieve information about Wi-Fi connections. The name of the connected devices, the Wi-Fi connections and the Wi-Fi status include, whether Wi-Fi is on or off. The permissions for apps that offer an option, only synchronizes the data if the Smartphone or Tablet is connected to a wireless network are useful.
Conclusion: This permission is usually harmless. Information about the Bluetooth VerbindungAnwendungen who need access to the Bluetooth connection to transfer information about the interface or change settings. So saving apps, for example, via Bluetooth turn off energy-hungry interfaces.
Conclusion: The permission is usually harmless. Wearable sensor data /-AktivitätsdatenFitnessarmbänder, Smartwatches, or heart rate monitor applications that access the sensors of these devices, must have permission to read data and to evaluate.
Conclusion: The permission is usually harmless. Read device ID and AnruferinformationenDie permission phone State and identity including the games need to break music or game action when an incoming call. The rights can be used but also to commercial or harm the user purposes. Reading from the device information identifies user device-independent. So ads can be unique to the respective users better track off games or the behavior of the user. Different functionality, which can be used by permission, is testing whether the app is lawfully in possession of the user. The downside: The IMEI can be read out and the device remotely located.
Bottom line: Beware, when it comes to the device ID or IMEI. Provider of apps have the ability to identify the users with this information. SonstigesDas reservoir for all permissions that not another group could be mapped, Google combines other segment. Following individual rights are to find here amongst others: chat messages read, retrieve data from the Internet, run app at startup, retrieve network connections, activate Hibernate mode / disable control near field communication (NFC), accounts on the device use, change audio settings, perform pairing with Bluetooth devices, vibration alarm control and many more.
Conclusion: Most of the rights emerging under other are safe for popular apps. Nevertheless, caution is advised, especially for apps you suspiciously eye already on other permissions.
Why should I check permissions?
Normally it would probably be that users can simply install apps without closer to look at the required permissions. A quick tip on the accept is just too convenient. But since Google mid 2014 summarizes the permissions in groups, the overview is lost completely. So are summarized in the group calendar: read calendar entries and confidential information, modify and add calendar entries and send emails to guests. Here, it is clear that an alternative calendar app needs the individual access rights. Other apps maybe switch your phone on mute during an appointment, to avoid errors. Games or wallpaper apps don’t need those access rights but sure.
Another problem is the update already installed applications: here it is called requires the app usually terse no special additional privileges, because additional permission belongs to one of the groups that already during the installation was granted access. Principle, the least permissions serve the direct peeking out of the user. Who matches the app functions with access rights, notes that many permissions are harmless. However, this does not apply to all.
Top 100: Android apps
100 programs the best software for Android devices who are uncertain is what the permissions are good or who would like to have more control over requested and granted access rights, has two easy ways: disable auto app updates in the play-store settings and read the permission details at the bottom of the app description in the play store.
Who is downloading the app SRT AppGuard from the developers website, can also escape individual permissions by apps without root privileges. Is 4.4.1 Android 4.3 or up Android, can also download app OPS Starter from the play store. The application starts the hidden mode app operations. Leave are also without rooting the machine to beyond individual permissions.
Revoke permissions with Board funds
The control from Android 6 (Marshmallow) is very easy. Settings, apps and the tab user set permissions, whether an app access to the contacts or the phone function is given. The possible settings are: camera, microphone, telephone, SMS, calendar, contacts, and sensors. Android 6 changes the date to which the permissions are queried. Only when an app requires access, the demand does not occur, as previously installing the app.
Conclusion: Android app privileges
Despite the summary in groups, the Android app authorization system is much more transparent than other operating systems. With the mentioned precautions to an attentive look at the permissions during installation, read through the permission details, switching off automatic updates largely avoid downloading of malware or malicious apps. Especially since Google scans its app store also on malware. Another tip concerns the restriction on apps which one familiar, which have many good reviews or are especially popular. Why what permission is necessary, give for example Facebook and above on their websites a good detailed summary. Not the worst confidence-building measure for security-conscious users.
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