Thursday, 9 October 2014

Google's Playstore Verify Apps Feature- can we trust it?

I've been wanting to write this post since Google first announced 
changes to the Playstore Verify apps feature at the RSA 
conference back in April, but wanted to wait to see the feature in 
the wild before jumping to any conclusions...  The Verify Apps 
feature has been expanded to detect whether apps installed both 
from Google  Play and outside of Google Play are what it defines 
as "behaving in a safe manner". While this is a welcome move 
forward it has left many in the security industry scratching their 
heads and asking exactly what Google defines to be a 
"safe manner".


Google makes its money from ads, which increasingly have been 
the source of many forms of malware, and it is well known that 
the verify apps feature does not cover adware. Many users often 
do not realize those free apps they are playing and chatting on 
are often aggressively grabbing personal information about them 
such as their age, sex and location, and in many cases transferring 
that data in a highly unsecure way. A number of popular apps using 
a particularly vulnerable and aggressive ad network (now known 
as VULNA) were verified by Google and allowed into the Playstore 
before being discovered by security experts recently. By that time 
it had infected hundreds of millions of devices.

Likewise Google often turns a blind eye to the growing list of what 
have become termed "Potentially unwanted applications" or PUAs. 
These are apps that contain not exactly malware, but rather 
components that many users might find objectionable such as 
unsecure payment methods or a dubious privacy policy. 

Perhaps the most troubling thing about Google's Verify Apps 
process is the complete lack of transparency over how it works, 
how frequently it scans the device, and how it is defining malware. 
Unlike independent anti-virus companies, it does not partake in 
any standardized industry wide testing such as AV Test or AV 
Comparatives. So what Google chooses to define as "Safe" still 
leaves many of us scratching our heads.



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