Shulou(Shulou.com)11/24 Report--

Thanks to CTOnews.com netizens, soft media new friends 2010825, witnesses for the delivery of clues! CTOnews.com, March 14, China released the "App personal Information Collection Test report" on the official account, mentioning that the China Cyberspace Security Association and the National computer Network Emergency Technology Coordination Center have tested the collection of personal information by some App, which are widely used by the "map navigation" public.

First, the test subjects this test selected 19 app stores with a total of 50 million downloads of the "map navigation" App, a total of 3 types.

3 App basic situation 2, test method (1) Test environment this test selects mobile phone terminals of the same brand and model, installs the same version of Android operating system, deploys 3 App respectively, and operates synchronously in the same network environment.

(2) the test scenario takes the completion of a map navigation activity as the test unit, including launching App, searching locations, clicking on navigation, and silent application scenarios in the background.

(3) Test content this test includes three items: system permission call, personal information upload and network upload traffic.

3. Test results (1) system permission call test shows that 3 App calls location, device information, microphone, clipboard, application list and other system permissions in 4 scenarios, but no other permissions such as camera and address book are found.

(1) in the scenario of starting App, the most kinds of system permissions are called by Amap and Baidu Maps (both category 3), and Baidu Maps (127times) call the most system permissions.

Start App scenario to call system permissions (2) in the search location scene, when searching through text input, the most types of system permissions are called by Amap and Baidu Maps (both category 2), and the largest number of system permissions are called by Tencent Map (123) When searching through voice interaction, Baidu Map (4 categories) calls the most kinds of system permissions, and Tencent Map (217 times) calls the most system permissions.

Search location scenario call system permissions (3) in the click navigation scenario, the most types of system permissions are called by Amap and Baidu Maps (both category 2), and the largest number of system permissions are called by Tencent Map (62 times).

Click navigation scenario call system permissions (4) in the background silence scenario, the three App call system permissions are all classified into two categories, and Tencent Map (282 times) has the largest number of system permissions calls.

Background silent scenario calls system permissions (2) personal information upload test found that three App uploaded five types of personal information: ① location information, including latitude and longitude, street address, currently connected Wi-Fi MAC address, currently connected base station information, surrounding available base station information, peripheral available Wi-Fi MAC address; ② unique device identification number, including Android ID (Android ID), mobile phone MAC address ③ clipboard content information, mainly location sharing links; ④ app list information, including installed, newly installed and newly uninstalled apps on the phone; ⑤ location information, mainly location name, including text or voice form.

(1) in the App launch scenario, the most types of personal information uploaded are Amap and Baidu Maps (both categories 3).

Start the upload of personal information in the App scene (2) in the search location scene, when searching by text input, the most types of personal information are uploaded by Amap and Tencent Map (both are 3 categories); when searching by voice interaction, the most types of personal information are uploaded by Baidu Map (category 4).

Upload of personal information in the search location scene (3) in the click navigation scenario, the most types of personal information uploaded are Amap and Baidu maps (both category 2).

Click on the navigation scene to upload personal information (4) in the background silent scene, the most kinds of personal information are uploaded by Amap (category 3)

Upload of personal information in silent scene in background (3) Network upload traffic (1) Test shows that when users complete a map navigation activity through text input (start App, search location through text input, click navigation), the average upload data traffic is Tencent Map, which is about 2584KB, and Baidu Map, which is about 889KB.

Through text input to complete a map navigation activity average upload data flow (unit: KB) (2) test found that when the three App users completed a map navigation activity through voice interaction (start App, search sites through voice interaction, click navigation), the average upload data traffic is Tencent Map, about 2242KB, and the least is Baidu Map, about 756KB.

Through voice interaction to complete a map navigation activity of the average upload data traffic (unit: KB) (3) test found that the three App background silence for 12 hours, the average upload data traffic is Tencent Map, about 7830KB; the average least is Amap, about 1363KB.

Average upload data traffic for 12 hours of silence in the background (unit: KB)

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