KR100840844B1 - System for retrieving personal information stored in the user terminal and a method of retrieving the personal information - Google Patents

Abstract

The present invention provides a personal information retrieval system and a method of retrieving the personal information, so that the user can search for the personal information of the files stored in the user terminal and provide the retrieved files to the user to select and delete the corresponding file.

The personal information retrieval system according to the present invention comprises: means for receiving and storing at least one or more search terms related to personal information; Means for setting and storing a search area of a storage device to be searched; Means for determining whether a search word is recorded for each file in the search area according to a user's search execution, and generating a search result when a search word is detected in a specific file; And means for displaying the search result on the screen when the search execution is completed.

According to the present invention, regardless of the type of the user terminal and the file format, whether the user's personal information exists for the files stored in the user terminal, and if the user's personal information is present on the screen to display the search results By selecting and deleting, the user's personal information is prevented from leaking.

Description

System and its method for searching private information stored in user's terminal}

The following drawings attached to this specification are illustrative of preferred embodiments of the present invention, and together with the detailed description of the invention to serve to further understand the technical spirit of the present invention, the present invention is a matter described in such drawings It should not be construed as limited to.

1 is a conceptual diagram of a personal information retrieval service model according to the present invention.

2 is a block diagram of a personal information retrieval system according to an embodiment of the present invention.

3 is an internal functional diagram of an engine for searching personal information for a file according to an embodiment of the present invention.

4 is an overall flowchart of a personal information retrieval method according to an embodiment of the present invention.

5 is a detailed flowchart of a personal information retrieval step according to an embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

1 system 2 user terminal

3: server 21: search term setting means

22: search area setting means 23: search engine means

24: search result output means 25: personal information deletion means

231: Search history search function 232: File extension detection function

233: File open function 234: File content search function

235: search result generation function 236: file history generation function

The present invention is a system for retrieving personal information stored in a user terminal and a method of retrieving the personal information. More particularly, the system searches for and displays personal information stored on the screen while the user uses the user terminal. The present invention relates to a system and a method for preventing illegal leakage of personal information by deleting personal information retrieved optionally.

When a plurality of users each use a user terminal according to a unique purpose of use, a user often enters personal information of himself or another. For example, when a document is created or when a social security number, an account number, a telephone number, or the like is input on a web page. And some of the input personal information remains as a file in the storage device of the user terminal regardless of the user's intention to leave a trace. In addition, even if a user intentionally stores personal information for a certain reason, the user forgets that the personal information is stored over time.

As such, there is a problem that the personal information remaining in the process of using the user terminal can be easily read even by other persons regardless of whether the parties are aware of it. The problem is even worse if it is leaked and used by a third party for illegal purposes.

Accordingly, in order to search for a file in which the user stores personal information, it is inconvenient to execute the application directly and read the file one by one. In addition, when using the search function supported by the application program, it is necessary to input a keyword related to personal information every time. This type of search has the problem of enormous effort and time.

The present invention is to solve the above-described problems, search for whether the specific personal information set by the user is stored for a variety of files stored in the user terminal, and if the personal information is retrieved outputs the file details and personal information To provide a personal information search service that allows the user to delete.

According to the present invention for achieving the above object, in a personal information retrieval system for retrieving a file in which personal information is recorded in a user terminal and outputting it to a screen, a file of a search area in which personal information is recorded in a user terminal. In the personal information retrieval system for searching for and outputting to the screen, the search area is: Hangul (hwp), ms files (ppt, xls, doc, etc.), acrobat (pdf), Hunminjeongeum, Windows registry file, File names created and managed by a particular application, including email (dbx, eml), Internet documents (html); A folder name including an Internet history folder (History), a temp folder (Temp), a cookie folder (Cookies), and an Internet temporary file folder; And means for receiving and storing at least one or more search terms that are configured by a user and configured by local and network drive names installed in the user terminal. Means for setting and storing said search area of a storage device to be searched; Means for determining whether the search word is recorded for each file of the files existing in the search area according to a user's search execution, and generating a search result when the search word is detected in a specific file; And means for displaying the search result on the screen when the search execution is completed.

Preferably, the search word, characterized in that it includes a social security number, telephone number, account number, card number, car number and a specific character string.

In addition, the means for generating a search result, the function of detecting the extension of the individual file to the files existing over the entire area of the search target; Opening a file in a corresponding file format based on the extension; Searching file contents with the search word in the opened file; And a function of temporarily generating a search result for each search and adding a file name and a search word to the search result each time a search word is searched for in the file contents.

On the other hand, the method of searching for the personal information of the user according to the present invention, in the personal information search method for searching for the file of the search area in which the personal information is recorded in the user terminal and output to the screen, the search area is as follows: (hwp), ms files (ppt, xls, doc, etc.), acrobats (pdf), Hunminjeongeum, Windows registry files, email (dbx, eml), Internet documents (html) generated by a specific application And managed file names; A folder name including an Internet history folder (History), a temp folder (Temp), a cookie folder (Cookies), and an Internet temporary file folder; And local and network drive names installed in the user terminal and set by the user (S10) installing a personal information management program in the user terminal. (S20) receiving and storing at least one or more search terms related to personal information; (S30) setting and storing the search area (drive name, folder name, file name) of the storage device to be searched; (S40) determining whether the search word is recorded for each file of the files existing in the search area according to a user's search execution, and generating a search result when the search word is detected in a specific file; And (S50) displaying the search result on the screen when the search execution is completed.

Hereinafter, with reference to the accompanying drawings looks at in detail the configuration of a preferred embodiment of the present invention.

<1. System Configuration>

1 illustrates a concept of a personal information retrieval service model according to the present invention.

Personal information retrieval service according to the present invention, when a user enters personal information in the process of using the user terminal and the personal information is stored as the content of the file, the user receives a search term related to personal information from the user and searches the entire files with this search term If personal information is detected, the search results are provided to the user. The user selects to delete the corresponding file in which the personal information is recorded if the personal information has a risk of leakage to a third party.

The search word in the present invention refers to a keyword of personal information or some characters of the keyword, and includes, for example, a social security number, a telephone number, an account number, and a credit card number. If the user enjoys shopping on the Internet and the account number or credit card number entered as payment information is unknown in the storage device of the user terminal without knowing it, the user inputs the numbers as a search word and searches for a file. Delete the retrieved file.

In the present invention, the search target is a file in which personal information is stored. A user sets a search target by specifying a drive name, a folder name, and a file name in a user terminal, and inputs a search word to request a search.

The file formats to be searched include Hangul (hwp), ms files (ppt, xls, doc, etc.), Acrobat (pdf), Hunminjeongeum, Windows Registry file, Email (dbx, eml), Internet document (html), etc. There is no particular restriction on the format type. The user can search for personal information by specifying the specific file type.

File folders to be searched for include Internet History Folders (History), Temp Folders (Temp), Cookie Folders (Cookies), and Temporary Internet Files. That is, all individual folders in the user's storage are included and it is possible for the user to arbitrarily select at least one or more. When at least one specific folder is selected by the user, the search of the personal information is applied only to the files located in the folder.

In addition, the drive to be searched includes all local or network drives owned by the user terminal. Temporary USB drives are also available. If the user does not specify the search area separately, personal information is searched for all files of all the drives of the user terminal.

On the other hand, in the present invention, once the search is completed, it is preferable to create history data of the searched files, and perform the search for the changed files from the next search to improve the search efficiency. Of course, the user may search the entire file every time according to the configuration.

2 shows a configuration of a personal information retrieval system 1 according to an embodiment of the present invention.

The personal information retrieval system 1 according to an embodiment of the present invention includes a search term setting means 21 for receiving a search word from a user, a search area setting means 22 for setting a search area, and a personal information with a search word and a search area. A search engine means 23 for searching for a search result, a search result output means 24 for displaying a search result on a screen, and a personal information deleting means 25 for deleting a corresponding file storing personal information according to a user's selection. do.

The search term setting means 21 receives and stores a string of specific personal information to be searched by a user as a search term. Therefore, the user first sets at least one search term and uses the search term as it is afterwards or edit / add / delete it.

The search area setting means 22 receives a storage area of the user terminal 2 searched by the user. This search area is set to a path by a combination of the drive name, folder name, and file name described above. When searching for the first time, it is preferable to designate all areas of the user terminal 2 as search areas and search for all files.

The search engine means 23 searches for files including a search word in the currently set search area. A detailed description with reference to FIG. 3 is as follows.

In the present invention, as described above, in order to shorten a search time, when a search is completed for a plurality of files, file information (file name, location path, modification time, data size, etc.) of the corresponding file is stored as history (history) data. This historical data is stored in the form of a file or DB. Based on this, the search history search function 231 searches whether a file currently being searched exists in the search history data. If the search file exists in the history data and the modification time is the same, the search is completed and the next file is selected as the search target. That is, the search service of the present invention is performed only on new files or newly modified files that do not exist in the search history. This function 231 can be omitted if the user selects to search the entire file in preferences.

When determined to be a file to be searched, the file extension detection function 232 detects the extension of the file, and the file open function 233 prepares to open the file and read data based on a format dependent on the file format. do.

The file content search function 234 compares whether a search word pattern exists in the file content, and if a search word pattern is detected, the search result generation function 235 adds a path name, a file name, a search word, and the like to the search result data. The file history generation function 236 adds the file information and the search result including the last modification time of the file to the history data and stores it. If this process is applied to all the individual files to be searched, the search ends. Once historical data has been created and the user selects a search option for changed files, only files that have changed since the most recent search are subject to the search.

In addition, the real-time change file search function 237 monitors the user's file usage status (eg, file I / O event) in real time and automatically searches for the presence of personal information in the contents of the file when the file is changed. This function may also be omitted depending on the user's preference. This function 237 allows the system 1 to detect personal information through real-time monitoring regardless of the user's search execution.

2, the search result output means 24 outputs a file list including personal information as a search result to the screen. The user checks the file for which personal information remains. The screen output of the search results can display the entire search results in a batch after all the search is completed, and stops searching for a while whenever personal information is detected in a specific file during the search and displays the contents of the file on the screen. can do. In the latter case, when the user confirms their personal information and presses the restart button, the rest of the search is restarted.

The personal information deleting means 25 deletes the file if the user selects at least one file to be deleted from among the files output as a search result. This deletion is independent of personal information retrieval and is performed at the user's choice.

Components 21 to 25 of the personal information retrieval system 1 described above may be installed in the local environment of the user terminal 2 or may be installed in the server 3 as shown in FIG. have. The user terminal 3 installed in the local environment includes a computer terminal, a mobile communication terminal, a PDA, and the like, and the type thereof is not particularly limited. In the network environment built in the server 3, the user terminal 2 is provided with a search service by accessing the homepage of the server 3, registering a search word and a search area, and downloading and installing the search engine means 23. . In other words, this method connects to the server 3 and downloads a search engine each time a user is provided with a search service.

<2. How to Configure>

The method for searching for personal information stored in the user terminal according to an embodiment of the present invention can be realized through the construction of the personal information search system 1 described above.

4 is a flowchart of a personal information retrieval method according to an embodiment of the present invention.

The user installs a personal information management program in the user terminal 2 (S10). The user executes an installation program contained in a storage medium (CD, diskette) or installs the network or connects to an external server 3 and downloads and installs the installation program. After the installation is completed, the user executes the personal information management program and receives a version check service from the external server 3 every time the new program is automatically installed.

When the personal information management program is executed, the user inputs at least one or more search terms related to the personal information to be searched for and the user terminal 2 stores them (S20). The search terms have already been described as strings such as social security numbers, telephone numbers, and account numbers. In this case, the user may receive a previously inputted search word and newly edit the search word.

Along with the input of the personal information, the user sets a search area (drive name, folder name, file name) of the storage device to be searched, and the user terminal 2 stores it (S30). The personal information management program can display the folders of all the drives connected to the user terminal 2 by default, select the whole area or display the most recently selected search area.

After the search word and the search area are set, when the user selects the search button, a search is performed to determine whether a search word is recorded for each file of the files existing in the search area. Each time a search word is detected in a specific file, the search result is added to the search result (S40).

The step S40 will be described in detail with reference to FIG. 5 as follows. First, it is determined whether a file to be searched exists in the search history (S41). This process compares the file information and compares the last modification time of the file and is only done if it is specified as an option in the user's preferences. If the file information is present in the search history and the modification time is the same, the search is performed and the step S41 is performed on the next file (S42). If the file information does not exist in the search history or the modification time is inconsistent, the extension of the file is detected (S43). The type of the file is detected by the detected extension, the file is opened according to the format, and the file contents are read (S44). The search is performed by comparing the search word pattern set by the user in the opened file (S45). If a search term pattern is found in the search process, the file name and the search term are added to the search result (S46). When the search for the individual file is completed, the file information (path name, file name, modification time, etc.) and the search result are added to the history data (S47). Even if a search word is not detected, the search result is added to the history data. This historical data can reduce the search time by searching only new or modified files when searching files. The above steps S41 to S47 are performed for each individual file in the search area, and the search ends when all files are searched.

In addition, the step (S40) monitors the usage status of the files stored in the user terminal in real time according to the user's environment setting, and if the file change is detected automatically searches for real-time information on whether the remaining personal information remains in the file It is also possible to generate a result.

Referring to FIG. 4, after the search is completed, the search result is displayed on the screen to guide the user (S50). After checking the search result, the user may determine whether to delete the file, and if at least one or more files are selected and the delete button is pressed, the user may delete the corresponding file to erase traces of personal information (S60).

As described above, an embodiment of a system for searching for personal information stored in a user terminal and a method of searching for the personal information thereof according to the present invention are constructed. Although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the claims to be described below by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents.

The personal information retrieval system according to the present invention searches whether the user's personal information exists with respect to the files stored by the user terminal regardless of the type of the user terminal and the file format, and displays the search result if the personal information exists. It can prevent user's personal information leakage by checking the mark so that user can delete it.

In addition, the search results are written as historical data every search, and the search time can be shortened by performing a search on a new file or a changed file at the next search.

Claims (15)

A personal information retrieval system for retrieving a file of a search area in which personal information is recorded in a user terminal and outputting the file to a screen The search area, For certain applications, including Hangul (hwp), ms series files (ppt, xls, doc, etc.), Acrobat (pdf), Hunminjeongeum, Windows Registry files, email (dbx, eml), Internet documents (html) File names created and managed by the server; A folder name including an Internet history folder (History), a temp folder (Temp), a cookie folder (Cookies), and an Internet temporary file folder; And It consists of local and network drive names installed in the user terminal and is set by the user. Means for receiving and storing at least one search term related to personal information; Means for setting and storing said search area of a storage device to be searched; Means for determining whether the search word is recorded for each file of the files existing in the search area according to a user's search execution, and generating a search result when the search word is detected in a specific file; And Means for displaying the search result on the screen when the search execution is completed Personal information retrieval system comprising a. The method of claim 1, Personal information retrieval system further comprises means for deleting a file in which personal information is stored according to the user's deletion selection confirming the search result displayed on the screen. The method of claim 1, The search term, Personal information retrieval system comprising a social security number, telephone number, account number, card number, car number and a specific character string. delete The method of claim 1, Means for generating the search results, A function of determining whether the information of the file coincides with the file information existing in the search history data each time a search for the individual file is performed; And Performing a search only if the file information does not exist or inconsistency, and further includes adding the file information including the file location, file name, and modification date of the file and the search result to the search history data after completion of the search. Personal information retrieval system, characterized in that to reduce the search time. The method according to claim 1 or 5, Means for generating the search results, Detecting an extension of an individual file for files existing over an entire area of a search target; Opening a file in a corresponding file format based on the extension; Searching file contents with the search word in the opened file; And A function that temporarily generates a search result for each search and adds a file name and a search term to the search result whenever a search term is searched in the file contents. Personal information retrieval system comprising a. The method according to claim 1 or 5, Means for generating the search results, Personal information characterized in that it monitors the usage status of the files stored in the user terminal in real time, and automatically detects whether the personal information remains in the file in real time when a file change is detected, and generates a search result Search system. The method of claim 1, The personal information search system, Personal information retrieval system characterized in that it provides a search service for files stored in the user terminal is built in the local environment of the user terminal or stored in an external server of the wired and wireless network environment. A personal information retrieval method of searching for a file in a search area in which personal information is recorded in a user terminal and outputting the file to a screen; The search area, For certain applications, including Hangul (hwp), ms series files (ppt, xls, doc, etc.), Acrobat (pdf), Hunminjeongeum, Windows Registry files, email (dbx, eml), Internet documents (html) File names created and managed by the server; A folder name including an Internet history folder (History), a temp folder (Temp), a cookie folder (Cookies), and an Internet temporary file folder; And It consists of local and network drive names installed in the user terminal and is set by the user. (S10) step of installing a personal information management program in the user terminal; (S20) receiving and storing at least one or more search terms related to personal information; (S30) setting and storing the search area (drive name, folder name, file name) of the storage device to be searched; (S40) determining whether the search word is recorded for each file of the files existing in the search area according to a user's search execution, and generating a search result when the search word is detected in a specific file; And (S50) displaying the search result on the screen when the search execution is completed Personal information retrieval method comprising a. The method of claim 9, (S60) personal information retrieval method further comprises the step of deleting the file in which the personal information is stored by the user's deletion selection confirming the search results displayed on the screen. The method of claim 9, The step (S20), Personal information retrieval method, characterized in that the step of setting the user query including a social security number, telephone number, account number, card number, car number and a specific character string from the user. delete The method of claim 9, The step (S40), In the first search, the user searches for the presence or absence of personal information for all the files stored in the user terminal, and in the subsequent search, the modified files are compared and searched for the changed files in order to shorten the search time. How to retrieve personal information. The method according to claim 9 or 13, The step (S40), (S41) determining whether the information of the file coincides with the file information existing in the search history data every time the search is performed on the individual file; (S42) performing a step (S41) on the next file when it matches; (S43) detecting the extension of the file only when file information does not exist or does not match; (S44) opening the file in a corresponding file format based on the detected extension; (S45) searching for a file content with the search word pattern in the opened file; Adding a file name and a search word to a search result each time a search word is searched for in the file content; And (S47) when the search is completed, adding the file information and the search result including the file location, the file name, and the modification date of the file to the search history data. Personal information retrieval method comprising a. The method according to claim 9 or 13, The step (S40), Personal information characterized in that it further comprises the step of monitoring the usage status of the files stored in the user terminal in real time, and automatically detects whether the personal information remains in the file when a file change is detected in real time to generate a search result Search method.

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