Sunday 4 November 2012
Google brings new security features to Android 4.2 Jelly Bean
Posted on 23:07 by Maria Scott
The advent of Android 4.2 Jelly Bean brings new security features to the
platform, features that have been required for a while to protect users
from the many dangers associated with malicious apps.
The new security features are built
natively into Android 4.2 Jelly Bean, and the most vital of them, is in
essence similar to the Bouncer feature rolled out for the Google Play store in February this year. While the Google Play store is now supposedly cleaner because this feature, Android users are still at risk when sideloading apps from other sources.
Completely opt-in, the ‘verify app’
feature can be toggled from the ‘Security’ section of Android 4.2
settings. Each time users download and sideload an app, it is sandboxed,
with virtual walls put up between the app and other software on the
device. A pop-up box will then ask user if they want to check the app
for potentially ‘harmful behaviour.’ The device will then send
information about the device to Google’s servers, and compare it with a
database of known applications.
Even if the app is not also listed on
the Google Play store, Google is confident it can detect if it is safe
or not, as the company says it is constantly scanning the web for newly
appearing APKs, and has a good understanding of how the ecosystem works.
If the app under scrutiny is detected as safe, the installation will
continue, if it is detected as dangerous, it will prevent you installing
it. If however, the app is questionably secure, but not strictly
harmful, the user will have the option to continue with the
installation.
According to Google, the app
installation process will not be greatly slowed down by the new security
process, as most of the processing happens on the company’s servers,
and the user device only has to send an APK signature onward.
As for the other new security features,
Google has also introduced an improved app permissions screen, for
sideloaded apps, which is apparently much simpler to read than before.
Android 4.2 also brings a scanning feature, that detects any attempt by
an app to send a text message to a known fee-collecting short code
(premium number), and will alert the user. The user will have the option
to then allow, or deny the app from continuing with sending.
For details on the interface changes that Android 4.2 Jelly Bean brings to the platform, refer to our previous coverage.
Source: http://www.thinkdigit.com/Apps/Google-brings-new-security-features-to-Android_11241.html
Source: http://www.thinkdigit.com/Apps/Google-brings-new-security-features-to-Android_11241.html
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