An alarm method for privacy disclosure of a mobile phone app
A privacy leakage and mobile phone technology, applied in the field of mobile phone app privacy leakage alarm, can solve the problems of increasing user burden, lack of consideration of user privacy preferences, failure to establish privacy risks and app usability, etc. Simple and easy method
Active Publication Date: 2019-06-21
FUJIAN NORMAL UNIV
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Problems solved by technology
However, the existing privacy warning methods still have the following defects: ① The measurement model of privacy risk and app usability has not been established, and the balance between data access privacy protection and app usability cannot be considered; ② Lack of consideration of user privacy preferences, privacy warning information cannot meet user personality ③Users must independently evaluate the security of app permissions based on privacy warning information, increasing the burden on users
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[0038] Such as figure 1 As shown, the present invention discloses a method for alerting mobile app privacy leaks, which includes the following steps:
[0039] S1: In the offline phase, the server side evaluates the rationality of various types of apps asking for various permissions: Assume that there are k types of apps in the application store (such as Google Play), denoted as (c 1 , c 2 ,...,c k ), and assuming that there are a total of m requestable permissions in the mobile phone system, denoted as (p 1 ,p 2 ,...,p m ); for any application software app j , a set of claim weight vectors (q 1，j ,q 2，j ,...,q m，j ), where q i，j ∈ {0, 1}, q i，j = 1 means app j have permission to request p i ,q i，j = 0 means no; then c l Type app request permission p i The reasonable calculation of is as follows:
[0040]
[0041] Among them, p i Indicates the i-th requestable permission, |c l | means cl The total number of apps of the class, l is an integer not less than 1...
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The invention discloses an alarm method for privacy disclosure of a mobile phone app. The alarm method is divided into an offline stage and an online stage. In the offline stage, the server firstly evaluates the reasonability of each category of app to obtain each permission, then clusters the privacy preferences of the users, and establishes corresponding privacy configuration files. In the online stage, the client firstly determines the privacy preference of a user and downloads a corresponding privacy configuration file; and then periodically calculates an authorization decision corresponding to the maximum revenue of the app running in the memory, and notifies a mobile phone user to correspondingly update an authorization strategy through an alarm mechanism. The mobile phone privacy security mechanism is simple and easy to implement, the personalized privacy requirement of a user can be met, and privacy protection of data access and the availability of an app can be considered at the same time.
Description
technical field [0001] The invention relates to the field of privacy protection of intelligent mobile terminals, in particular to an alarm method for mobile app privacy leakage. Background technique [0002] In the mobile Internet, most users use smartphones for communication, which have independent operating systems, such as IOS, Android, Microsoft, etc. Users can freely install games, software, and applications developed by third-party providers on their phones for expansion. At the same time, with the rapid development of the Internet industry, the functions of smartphones are characterized by personalization, diversification, and intelligence, and will become a new area of privacy leakage. It is precisely because of the above-mentioned characteristics of smart phones that some APP providers obtain private information such as user locations, text messages, address books, and picture files to provide services, which significantly increases the privacy and security risks ...
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IPC IPC(8): H04M1/725H04M1/72406
Inventor 叶阿勇金俊林
Owner FUJIAN NORMAL UNIV