51 results about "Right to privacy" patented technology

The invention discloses a method and system for protecting the privacy of users in a social network. The method comprises a privacy authority setting method and a privacy authority reading method, wherein the privacy authority setting method comprises the following steps of: S1, operating a webpage by a user to generate dynamic information; S2, setting the authority of the dynamic information by the user; and S3, storing the dynamic information of the user and the corresponding authority setting by a database server. The privacy authority reading method comprises the following steps of: S4, reading a user's friend list; S5, reading friend dynamic information of the user and the corresponding authority setting according to the friend list; S6, judging whether the friend dynamic information of the user is visible to the user according to the authority setting of the friend dynamic information, if so, turning to a step S7, and if not, requiring no treatment; and S7, displaying the friend dynamic information. According to the method and system disclosed by the invention, the access authority to dynamic information generated by users in a social network site can be controlled.

The invention relates to a method for realizing instant messaging among persons travelling together. The method includes the steps: acquiring position information and timestamps of a user continuously through a mobile user terminal; acquiring adjacent contact persons of the user at every moment according to the position information of the user at multiple moments of the current time period; taking persons having common intersections of the adjacent contact persons at every moment as preselected persons travelling together of the user; matching user travelling-together tags, and acquiring the persons travelling together of the user; automatically building a chat channel for the persons travelling together to realize instant messaging of the user and all the persons travelling together. By the method, the persons travelling together can be automatically searched and added for the user, the instant messaging channel is built, and communication among the persons travelling together is facilitated greatly. Meanwhile, unless the user selects shared position information, the other users cannot know the position information of the user, so that instant messaging requirements of the user is met, and the right of privacy of the user is protected effectively.

A video/audio recording device is mounted on a mobile support for recording surveillance information. The recording device is movable relative to the mobile support to adjustably position the recording device to face the target along a line-of-sight during recording. A database stores public map spaces, private map spaces, and warrant spaces that exist in a geographic area to be surveilled. A programmed controller accesses the database, determines whether the target is recordable from a public map space along the line-of-sight between the recording device and the target and/or whether the target is covered by a warrant space, and controls the recording device to record the surveillance information upon a successful determination that the target is so recordable or so covered.

A privacy information protecting method based on access control belongs to computer network security field and is used in network application whose privacy information needs to be protected in the Internet. The invention expands the access right to privacy access right; when setting the right, conditions which need to be satisfied when authorizing the right are added; and a user is allowed to control the privacy information at real time, thus increasing the flexibility of the user to control the privacy information. Furthermore, all the entities relevant to the privacy information are added into the access control as privacy subjects, so that all the relevant subjects can set access control strategies for privacy information protection according to privacy information protection requirements. Accesses to the privacy information are controlled according to the strategies of the privacy subjects, which makes the privacy information protection method more perfect, thus avoiding all invasions of privacy of the user. The privacy information protecting method gives consideration to the distinctive features of privacy information protection, namely the flexibility and integrity required in privacy protection, and fully guarantees the rights and interests of the user.

The invention provides a GDPR compliance supervision method and system based on an alliance chain, and the method comprises the steps: enabling a service provider and a supervision mechanism to carryout the real-name registration in the alliance chain, enabling the service provider to be registered as a service node, and carrying out the accounting node election and block generation according tothe credibility of the service node; the permission record of the data subject is encrypted and stored in the alliance block chain through the smart contract; the data subject is granted permission toaccess the alliance block chain, and when the data controller transmits personal information to the data processor, the agreement of the related data subject is needed, and the transaction also stores a data flow record through the smart contract; and during compliance investigation, submitting a traceability request to the alliance block chain by the supervision institution, and tracing to obtain a record by the alliance block chain service network according to the request. According to the method, the expansibility and the tamper resistance of the block chain are utilized so that the privacy right endowed by the user to drive the GDPR and the efficiency of a service provider to abide by the GDPR compliance can be effectively improved from the aspect of technical support, and the compliance and supervision cost is reduced.

The invention relates to a data publishing method and system. The method comprises the steps that sensitive attribute weights of all set fields in original data provided by a data publisher are determined according to information entropy; determining an association attribute weight of each set field according to the conditional entropy and the information gain; determining a privacy weight of each set field according to the sensitive attribute weight and the associated attribute weight; performing non-negative numeralization processing on the data of the set field to obtain a privacy sensitive data matrix; obtaining a privacy sensitive data matrix with a privacy weight; performing norm calculation on the privacy sensitive data matrix with the privacy weight to determine a privacy risk leakage coefficient; judging whether the privacy risk leakage coefficient is within a set range or not; and if the privacy risk leakage coefficient is not within the set range, desensitizing the data corresponding to each set field in the original data, replacing the data corresponding to the set fields with the desensitized data, and recalculating the privacy risk leakage coefficient until the privacy risk leakage coefficient conforms to the set range. According to the invention, the risk of data privacy leakage is reduced.

The invention discloses a privacy authority transfer method and system based on an APP function, and the method comprises the steps: obtaining various APPs and corresponding various function types according to various APPs in the market; according to different functions of the APP, determining which privacy authorities need to be started when a user uses a certain function, and carrying out importance degree grading on the privacy authorities; according to the type of a certain APP used by a user, counting functions under the type, and constructing a user APP authority management table; according to different conditions such as false APPs, key APPs, carrying out function labels of the APPs and importance of permissions corresponding to the functions, permission transfer, so that good service experience of a user is guaranteed, it is guaranteed that when the user uses a certain function of the APPs, only necessary privacy permissions need to be granted to the current function, and unimportant privacy permissions are filtered out.

The invention provides a method for evaluating personal information protection capability of an APP in a real-time running state, according to application behaviors and influence factors of personal information security related to the application software (APP), a personal information security calculation strategy of the application software (APP) is generated, and according to different application behaviors and influence factors, each application permission is assigned; an APP static personal information protection capability score is calculated and taken as an initial value; then the influence of the important privacy authority obtained by the APP on the personal information protection capability of the APP is analyzed and calculated; and finally, the score of the personal information protection capability of the APP during real-time operation is calculated, guidance is provided for evaluating the personal information protection capability of the APP, a user to select and use the APP is guided, the user can be assisted to fully understand the influence of opening/closing of different permissions on the personal information protection capability of the APP, and therefore, the user can be guided to carefully open the APP permission or timely close the permission for use compensation.

The invention discloses a cloud native task allocation system, method and device based on a block chain. The method comprises following steps: acquiring a task set within a preset time period, and acquiring an initial device set comprising at least one service device; performing iterative processing from the acquired first to-be-merged device set to the end of the last to-be-merged device set to obtain a target allocation scheme; and based on incomplete information of a plurality of service facilities of a multi-party service provider, according to the comprehensive resource utilization rate of all the devices in the device set, the income of the service provider and the deployment cost of all the devices, determining the device set, carrying out task allocation in the device set. Multiple optimization objectives of the user and the service provider are comprehensively considered, and a task allocation problem is abstracted into an incomplete information game problem, so privacy right information of all parties is protected, efficient allocation of user tasks is completed based on an alliance decentralization mode, effectiveness of all service providers is improved to the maximum extent, and overall effectiveness maximization is achieved.

The invention provides a privacy authority detection method and device. The privacy authority detection device decompiles the APK to obtain a target file; analyzing the target file to obtain a static permission list of the APK; simulating by utilizing a sandbox to obtain a dynamic permission list required by an application corresponding to the APK in actual operation; generating a permission set by using the static permission list and the dynamic permission list; and comparing the permission set with the minimum permission information of the corresponding industry in the minimum permission library to generate a detection result. According to the method and the device, the Android application permission detection accuracy can be effectively improved.