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Das inoffizielle Android-HandbuchDas inoffizielle Android-Handbuch
Buy at Amazon for EUR 16,99
Das inoffizielle Android-SystemhandbuchDas inoffizielle Android-Systemhandbuch
Buy at Amazon for EUR 7,00
Gut gerüstet gegen Überwachung im Web - Wie Sie verschlüsselt mailen, chatten und surfenGut gerüstet gegen Überwachung im Web - Wie Sie verschlüsselt mailen, chatten und surfen
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Data und Goliath - Die Schlacht um die Kontrolle unserer Welt: Wie wir uns gegen Überwachung, Zensur und Datenklau wehren müssenData und Goliath - Die Schlacht um die Kontrolle unserer Welt: Wie wir uns gegen Überwachung, Zensur und Datenklau wehren müssen
Buy at Amazon for EUR 24,99
Das Zeitalter des ÜberwachungskapitalismusDas Zeitalter des Überwachungskapitalismus
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Das virtuelle Reich: Die Kolonialisierung der Fantasie und die soziale KontrolleDas virtuelle Reich: Die Kolonialisierung der Fantasie und die soziale Kontrolle
Buy at Amazon for EUR 15,00
As of 2019-10-20 16:09
prices & availability might be subject to change.
StatsPermissionsConcernsSearch apps by category and permissiondehelp

Ad-/Tracking-Modules and Privacy Checker

That's not only annoying in many cases, but also a general security risk – as ad- and tracking-modules inherit all permissions from their „host-apps“. Moreover, there are other hidden costs of advertisements: with websites, they at best make up 50% of your traffic, in some cases more than 90%! Not to forget that sometimes there are also malicious ads – something Google Ads isn´t safe from either. So what can be done?

  1. Buy apps. Usually, the paid versions do not contain ad-modules (exception: if the paid version is to be used as an addon to the free one; but unfortunately there are also other exceptions). See also: Apps bezahlen (4/2012)
  2. If there's no paid version (or that contains „sniffers“ as well): think about using an AdBlocker (in most cases, this requires root)
  3. Alternatively, think about using a Firewall or Permission Blocker.
  4. Take your apps exclusively from F-Droid (in my lists they can be identified by the F-Droid Icon F-Droid Icon). According to a study from 9/2017 this is the only place where neither Adware nor Malware was found (at Google Play they found e.g. ca. 2% Malware)

And if you think it’s only the online shops which are bugged: Nope. In offline stores, secret surveillance tracks your every move as well.

To protect yourself against that, you’ve first got to identify affected apps and places:

Identify Ad-Modules

2019-10-17

Privacy-Checker

2019-10-16

For general privacy-risks, a.o. the following apps watching out:

Other Sniffer-Detectors

2019-10-03

Further Readings:

2019-10-19