KR20060037094A - Method and apparatus for checking frauds of usage in mobile terminal - Google Patents

Abstract

Disclosed are a method and apparatus for searching for illegal use of a mobile terminal. The present invention includes the steps of: A) performing an update according to a predetermined condition based on subscriber information and terminal information of the mobile terminal extracted from a log file generated by the mobile terminal accessing the wireless Internet; B) extracting a list of the terminal information is updated a predetermined number of times for a predetermined period from the history of performing the update; C) filtering based on a predetermined factor of the extracted list; D) transmitting a guide message indicating that the mobile terminal included in the filtered list is illegally used, thereby searching for a user who illegally copies the mobile terminal.

Mobile Phone, Piracy, Wireless Internet, Content, Data

Description

Method for detecting illegal use of mobile terminal and its device {Method And Apparatus For Checking Frauds Of Usage In Mobile Terminal}

1 is a schematic configuration diagram of an illegal use search system of a mobile terminal according to an embodiment of the present invention.

2 is a flowchart illustrating a method for searching for illegal use of a mobile terminal according to an embodiment of the present invention.

3 is a flowchart illustrating a method for searching for illegal use of a mobile terminal according to another embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

100: mobile terminal

200: mobile communication network

300: swap gateway

410: Customer Care Integration Server

500: illegal use detection device

510: log file receiving unit

520: log file analysis unit

530: update                 

540: illegal user search unit

550: filtering unit

560: customer notification department

600: content providing server

710: Customer Information Database

800: information message transmission device

810: Short Message Service Center

830: voice message service center

The present invention relates to a wireless Internet system, and more particularly, a method for searching for illegal use of a mobile terminal for searching for a mobile terminal of a user illegally copying and using a mobile terminal using contents of the wireless Internet using a wireless Internet system. And to the apparatus.

In general, a mobile terminal has two dedicated numbers stored in a memory in a microprocessor, that is, an electronic serial number (ESN) and a mobile identification number (MIN).

The electronic serial number (ESN) is a number assigned at the time of manufacture by the mobile terminal manufacturer and is usually encrypted so that no one except the mobile terminal manufacturer can change the electronic serial number. Therefore, the mobile terminal does not operate when the electronic serial number is intentionally changed, deleted or corrupted by the Michael processor of the mobile terminal.

However, the mobile terminal duplication program used in the A / S center of the terminal manufacturer has a small capacity and is simply distributed illegally. Therefore, the electronic serial number (ESN) embedded in the mobile terminal is identified and then transferred to another mobile terminal. It is easy to create a mobile terminal with the same electronic serial number (ESN) by entering the terminal. In other words, a mobile terminal duplication program, a computer capable of running it, and a data cable connecting a computer and a mobile terminal can be duplicated.

Due to the easy copying of mobile terminals, illegal users can make copies of other's mobile terminals and use the wireless Internet to impose voice and wireless internet usage fees (data usage fees) used by illegal copyers on other users. There are more examples.

Currently, illegal users of wireless Internet use have been manually searched and dialed to guide mobile terminals.

Therefore, there is a need to suppress illegal use by creating an atmosphere that can be detected during illegal theft by not only searching for a mobile terminal which is illegally used monthly or periodically, but also providing a guide message indicating that the mobile terminal is illegally used.

 SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to illegally copy a mobile terminal and to search for an illegal use of a mobile terminal for searching for a mobile terminal of a user using contents of a wireless Internet. To provide.

In order to achieve the above object, an illegal use search method of a mobile terminal according to the first aspect of the present invention,

A) performing an update according to a predetermined condition based on subscriber information and terminal information of the mobile terminal extracted from the log file generated by the mobile terminal accessing the wireless Internet;

B) extracting a list of the terminal information has been updated for a predetermined number of times in a predetermined period from the history of performing the update;

C) filtering based on a predetermined factor of the extracted list; And

D) transmitting a guide message indicating that the mobile terminal included in the filtered list is illegally used.

According to a second aspect of the present invention for achieving the above object, an illegal use search method of a mobile terminal includes:

(A) receiving and analyzing a log file generated by the mobile terminal accessing the wireless Internet;                     

(B) extracting location information of a base station or an exchange from the log file;

(C) searching for a speed impossible of the mobile terminal with respect to base station or exchange location information by a successive connection of the wireless internet of the mobile terminal; And

(D) determining illegal use of the mobile terminal based on a result of the speed impossible search.

In order to achieve the above object, an illegal use search method of a mobile terminal according to the third aspect of the present invention,

Iii) extracting subscriber information and terminal information of the mobile terminal from a log file generated by the mobile terminal accessing the wireless Internet;

Ii) comparing the extracted subscriber information and terminal information with subscriber information and terminal information stored in a customer management integration server (COIS);

Iv) extracting a list of subscriber information whose terminal information according to the extracted subscriber information is different from the information stored in the customer management integration server; And

Iii) filtering based on a predetermined factor from the extracted list.

The illegal use search apparatus of the mobile terminal according to the fourth aspect of the present invention for achieving the above object,

A log file analyzer for analyzing a log file generated by the mobile terminal accessing the wireless Internet;                     

An update unit for updating subscriber information and terminal information of the mobile terminal based on the analysis result of the log file;

An illegal user searcher for extracting a list of updated terminal information more than a predetermined number of times for a predetermined period from the updater; And

And a filtering unit for filtering based on a predetermined factor of the extracted list.

Therefore, according to the present invention, it is possible to search for a user who illegally copies a mobile terminal.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a schematic configuration diagram of an illegal use search system of a mobile terminal according to an embodiment of the present invention.

The illegal use search system of the mobile terminal includes a mobile terminal 100, a mobile communication network 200, a WAP gateway 300, a customer management integrated server 410, an illegal use search apparatus 500, a customer information database ( 710, and an announcement message transmitting device 800.

The mobile terminal 100 refers to all terminals accessible to the wireless Internet through the mobile communication network 200. Examples of the mobile terminal 100 include a mobile phone, a PDA, and a notebook computer. In addition, the mobile terminal 100 receives content from the content providing server 610 by accessing the wireless Internet.                     

The swap gateway 300 allows the mobile terminal 100 to access the wireless Internet and receive content provided from the content providing server 610 through the wireless Internet. In addition, a log file of the mobile terminal 100 accessing the wireless Internet is stored in a swap database (not shown).

The log file includes subscriber information of the mobile terminal 100, terminal information including terminal start and end time, access base station or switch, and the like.

The customer management integration server 410 is a device change server of an official mobile terminal, and when a mobile communication system subscriber wants to change a device, the changed device must be registered. The changed device information, that is, terminal information, is stored in the customer information database 710.

For the same subscriber information, if the terminal information registered in the customer management integration server 410 and the terminal information extracted from the log file are different, there is a high probability of being an illegal user. Accordingly, the illegal user search unit 540 of the illegal use search apparatus 500 receives subscriber information and terminal information extracted from the log file analyzer 520 and compares the terminal information stored in the customer information database 710 with each other. If different, the user is recognized as an illegal user and included in the illegal user list. However, if the mobile terminal differs from the information stored in the customer information database 710 by performing a running change (update of software) or the test mobile terminal, the mobile terminal is excluded from the illegal user list.

The illegal use search apparatus 500 may include a log file receiver 510, a log file analyzer 520, an updater 530, an illegal user searcher 540, a filter 550, and a customer notification unit 560. It is configured to include).

The log file receiving unit 510 periodically receives the log file by requesting transmission of a log file for a mobile terminal connected to the wireless Internet by periodically accessing the swap gateway 300.

The log file analyzer 520 analyzes the log file received by the log file receiver 510 and analyzes the subscriber information of the mobile terminal 100, the terminal information, and the location information of the base station or exchange involved in the wireless Internet access. .

The update unit 530 compares the subscriber information and the terminal information of the mobile terminal 100 analyzed by the log file analyzer 520 with the customer information database 710, and then, in the log file analyzer 520. The analyzed subscriber information and terminal information are stored in the customer information database 710. At this time, create and manage a history of the update.

The illegal user searcher 540 searches for a mobile terminal updated more than a predetermined number of times in a predetermined period based on the details of the update made by the updater 530, and creates an illegal user list for the mobile terminal. For example, a mobile terminal updated three or more times in a month, that is, a mobile terminal whose terminal information is frequently changed is classified as a terminal that is likely to be illegally used. More specifically, in the case of illegal copying of the mobile terminal, a record in which the normal user's mobile terminal and the illegally copied mobile terminal simultaneously or alternately access the wireless Internet is recorded as a log file in the swap gateway 300. Then, since the update unit 530 stores the changed information in the customer information database 710 whenever the terminal information is changed with respect to the same subscriber information, the update history exists for the same subscriber information three or more times a month.

In addition, the illegal user searcher 540 extracts the location information of the base station or the exchange which transmitted the mobile terminal wireless Internet access request signal from the log file. The case where the location information of the base station or the exchange indicated in the continuous wireless Internet access request signal for the same mobile terminal is located at a position that is normally impossible is referred to as [speed impossible search].

For example, if the mobile terminal accesses the wireless Internet in Seoul at 5 pm on October 15, 2004, and then the time and place of the next access to the wireless internet is Busan at 5:30 pm on October 15, 2004, This means that the mobile terminal of the same model as the normal mobile terminal is used by copying.

However, when the location information of the base station or the exchange which accesses the wireless Internet among the mobile terminals extracted by the speed impossible search is a specific location, the result of the speed impossible search is ignored. In this case, the specific location is a place where a long distance can be moved within a short time, and examples thereof include a train station, a high-speed railway station, an airport, and a bus terminal.

The filtering unit 550 sets and filters a factor that is considered to be not an illegal user among the mobile terminals searched by the illegal user searching unit 540. For example, a mobile terminal registered by a carrier or a terminal manufacturer to test a communication system or to register a terminal for self test should be deleted from an illegal user list. In addition, even when a normal user of the mobile terminal upgrades the software of the mobile terminal itself, the user is deleted from the illegal user list. In addition, it is possible to set additional factors that are not considered illegal users.

If the customer notification unit 560 is classified as a customer who illegally uses the mobile terminal after filtering by the filtering unit 550, the customer notification unit 560 guides the mobile terminal to transmit a guide message indicating that the mobile terminal is illegally used. Request to the message transmission device 800.

The guide message transmission device 800 includes a short message service center 810 and a voice message service center 830. The guide message transmitting device 800 receives the contents of the guide message, the transmission method, and the telephone number of the mobile terminal to be transmitted from the customer notification unit 560 and transmits the guide message to the mobile terminal in a short message or a voice message.

The operating state of the present invention configured as described above will be described.

2 is a flowchart illustrating a method for searching for illegal use of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 receives a log file generated by accessing the wireless Internet and analyzes and extracts subscriber information, terminal information, and location information of the base station or the exchange of the mobile terminal 100 (S200).                     

The subscriber information and the terminal information extracted from the log file are compared with the subscriber information and the terminal information stored in the customer information database 710 to update the terminal information if different (S210).

The update of the terminal information performed in step S210 will be described in more detail.

If it is determined whether the subscriber information extracted from the log file is stored in the customer information database 710, the terminal information corresponding to the subscriber information is retrieved from the customer information database 710.

If there is no terminal information corresponding to the subscriber information, it is treated as an abnormal process and skipped. If the terminal information exists, it is determined whether or not it is the same as the terminal information extracted from the log file.

Only when it is not the same, the terminal information extracted from the log file is stored in the customer information database 710 and the storage history is recorded.

However, if the subscriber information extracted from the log file is not stored in the customer information database 710, the subscriber information and corresponding terminal information are stored together in the customer information database 710, and the stored details are stored. Record it.

In addition, there is a method of updating the terminal information to the customer information database 710 through a customer management integrated server (COIS) (410).

When the mobile terminal is changed or newly registered, it is registered through the customer management integration server 410, and the registered information is stored in the customer information database 710. Even when the update is performed through the customer management integration server 410, the change history is updated in the update unit 530 by transmitting the changed terminal information to the illegal use search apparatus 500 to be stored in the customer information database 710. Is recorded.

As described above, the illegal user search unit 540 searches for the details on which the update has been performed, searches for a mobile terminal that has been updated for a predetermined number of times or more for a predetermined period, and generates an illegal user list (S230 and S240). The predetermined period and the predetermined number of times are numerical values which can be changed by the administrator.

In order to filter the normal user of the illegal user list, it is determined whether the mobile terminal is the same subscriber (S250).

If less than the number set in step S230 or a mobile terminal of the same subscriber in the illegal user list of step S250, the mobile terminal inquires the location information of the base station or the exchange via the log file when accessing the wireless Internet ( S255).

At this time, an illegally used mobile terminal is extracted by executing a speed impossible search of the mobile terminal with respect to continuously generated location information of the base station or the exchange (S260 and S265).

When the location information of the base station or the exchange among the extracted illegally used mobile terminals corresponds to a specific location, the speed impossible search of step S260 is ignored (S270 and S275).                     

However, when the location information of the base station or the exchange among the illegally used mobile terminals extracted in step S270 does not correspond to a specific location, a guide message indicating that the mobile terminal is illegally used is transmitted to the mobile terminal (S290). ).

Examples of such specific locations include train stations, high speed railway stations, airports, and bus terminals. That is, when in a specific location, it is possible that the locations of successively generated wireless Internet access base stations or exchanges are located far apart.

When the mobile station is not the mobile station of the same subscriber in step S250, the normal user is filtered based on a predetermined factor (S280).

Examples of the factor may include a test mobile terminal, a mobile terminal with updated software, and the like, and it is also possible to modify the factor by an administrator.

3 is a flowchart illustrating a method for searching for illegal use of a mobile terminal according to another embodiment of the present invention.

Referring to FIG. 3, the log file received from the swap gateway 300 is analyzed to extract location information of a base station or a switch that transmits a signal to access the wireless Internet (S300 and S310).

Based on the same mobile terminal, the speed impossible for the location information of the base station or the switch that is generated continuously is searched for (S320).

In this case, when the location information of the base station or the exchange corresponds to a specific location by a separate process, the speed impossible search is ignored and classified as a normal user (S360). An example of the specific location is a subway station, a train station, a high speed railway station, an airport, a pier, and the like.

However, as a result of the determination in step S330, when the location information of the base station or the exchange does not correspond to a specific location, it is classified as a customer who illegally uses the mobile terminal (S340).

Then, the customer is notified that the mobile terminal is illegally used (S350).

The notification method includes a method of automatically sending a guide message using a short message or a voice message.

As described in detail above, according to the method and the apparatus for searching for illegal use of the mobile terminal of the present invention, it is possible to secure the reliability of billing for a mobile terminal user who normally uses the mobile terminal by searching for the mobile terminal illegally using the wireless Internet. have.

In addition, by extracting a mobile terminal used illegally every month or periodically and providing a guide message indicating that the mobile terminal is illegally used, there is an effect of suppressing illegal use by creating an atmosphere that can be detected during illegal theft.

In addition, by providing a continuous wireless Internet service for customers who change the device of the mobile terminal in all the paths, even if extracted as an illegal user by error, there is no inconvenience in using the wireless Internet service.

Although the present invention has been described in detail with reference to preferred embodiments, the present invention is not limited to the above-described embodiments, and the technical field to which the present invention belongs without departing from the gist of the present invention as claimed in the following claims. Anyone skilled in the art will have the technical idea of the present invention to the extent that various modifications or changes are possible.

Claims (35)

A) performing an update according to a predetermined condition based on subscriber information and terminal information of the mobile terminal extracted from the log file generated by the mobile terminal accessing the wireless Internet; B) extracting a list of the terminal information has been updated for a predetermined number of times in a predetermined period from the history of performing the update; C) filtering based on a predetermined factor of the extracted list; And D) transmitting a guide message indicating that the mobile terminal included in the filtered list is illegally used. The method according to claim 1, wherein the predetermined factor is A method for detecting illegal use of a mobile terminal, comprising at least one of a mobile terminal having the same subscriber information, a test mobile terminal, and a software terminal updated with software. The method of claim 2, wherein the method comprises: a mobile terminal having the same subscriber information; E) extracting base station or exchange location information from the log file; F) performing a speed impossible search of the mobile terminal for base station or exchange location information by a successive connection of the wireless internet of the mobile terminal; And G) determining the illegal use of the mobile terminal based on a result of the speed impossible search. The method of claim 3, wherein the method is H) determining whether consecutively generated base station or exchange location information of the mobile terminal is included in a specific location; And I) if the mobile terminal is in a specific location, further comprising the step of ignoring the result of the speed impossible search. The method of claim 4, wherein the specific position, A method for detecting illegal use of a mobile terminal, comprising at least one of a train station, a high speed railway station, an airport, and a bus terminal. The method according to any one of claims 1 to 5, wherein step A) A-1) extracting subscriber information and terminal information of the mobile terminal by receiving a log file generated by the mobile terminal accessing the wireless Internet; A-2) determining whether the subscriber information exists in a customer information database (Database) for managing subscriber information and terminal information subscribed to the wireless Internet; A-3) when the subscriber information does not exist in the subscriber DB, storing the subscriber information and the terminal information together in the customer information DB; A-4) if the subscriber information exists in the customer information DB, querying the terminal information corresponding to the subscriber information in the customer information DB and comparing it with the terminal information extracted from the log file; And A-5) if the comparison is not the same, performing an update on the customer information DB based on the terminal information extracted from the log file. 7. The method of claim 6, wherein the subscriber information is any one of a MIN, an MDN, and a client ID. 8. The method of claim 7, wherein the terminal information is a user agent or a URI. 10. The method of claim 8, wherein the log file is generated at a swap gateway. 10. The method of claim 9, wherein the guide message uses a short message or a voice message. (A) receiving and analyzing a log file generated by the mobile terminal accessing the wireless Internet; (B) extracting location information of a base station or an exchange from the log file; (C) performing a speed impossible search of the mobile terminal with respect to base station or exchange location information by a successive connection of the wireless Internet of the mobile terminal; And (D) determining the illegal use of the mobile terminal based on a result of the speed impossible search. The method of claim 11, wherein the method is (E) determining whether consecutively generated base station or exchange location information of the mobile terminal is included in a specific location; And (F) if the mobile terminal is located at a specific location, ignoring the result of the speed impossible search. The method of claim 12, wherein the specific position, A method for detecting illegal use of a mobile terminal, comprising at least one of a train station, a high speed railway station, an airport, and a bus terminal. The method according to any one of claims 11 to 13, wherein the method (G) if it is determined that the use of the mobile terminal is illegal in the step (d), transmitting a guide message indicating that the mobile terminal is illegally used, and searching for illegal use of the mobile terminal. Way. 15. The method of claim 14, wherein the guide message is transmitted to the mobile terminal using a short message generated at a short message service center. The method of claim 15, wherein the guide message is transmitted to the mobile terminal using a voice message generated at a voice message service center. 17. The method of claim 16, wherein the log file is generated at a swap gateway. Iii) extracting subscriber information and terminal information of the mobile terminal from a log file generated by the mobile terminal accessing the wireless Internet; Ii) comparing the extracted subscriber information and terminal information with subscriber information and terminal information stored in a customer management integration server (COIS); Iv) extracting a list of subscriber information whose terminal information according to the extracted subscriber information is different from the information stored in the customer management integration server; And I) filtering the illegal usage of the mobile terminal according to a predetermined factor of the extracted list. The method of claim 18, wherein the predetermined factor is, A method for detecting illegal use of a mobile terminal, comprising at least one of a mobile terminal having the same subscriber information, a test mobile terminal, and a software terminal updated with software. The method of claim 18 or 19, wherein the method Iii) transmitting an announcement message indicating that the mobile terminal included in the filtered list is illegally used. The method of claim 20, wherein the guide message uses a short message or a voice message. 22. The method of claim 21, wherein the subscriber information is any one of a MIN, an MDN, and a client ID. The method of claim 22, wherein the terminal information is a user agent or a URI. A log file analyzer for analyzing a log file generated by the mobile terminal accessing the wireless Internet; An update unit for updating subscriber information and terminal information of the mobile terminal based on the analysis result of the log file; An illegal user searcher for extracting a list of updated terminal information more than a predetermined number of times for a predetermined period from the updater; And And a filtering unit configured to filter based on a predetermined factor of the extracted list. The apparatus of claim 24, wherein And a customer notification unit for transmitting a guide message indicating that the mobile terminal included in the list filtered by the filtering unit is illegally used. 26. The apparatus of claim 24 or 25, wherein the customer notification unit requests a short message service center or a voice message service center to transmit the guide message to the mobile terminal. 27. The apparatus of claim 26, wherein the device is And a customer database for storing and managing subscriber information and terminal information of the mobile terminal. The method of claim 27, wherein the update unit And the subscriber information and the terminal information extracted from the log file are updated when the subscriber information and the terminal information stored in the customer database are compared and updated. 29. The illegal use search apparatus of claim 28, wherein the terminal information is a user agent or a URI. 30. The apparatus of claim 29, wherein the subscriber information is any one of a MIN, an MDN, and a client ID. 31. The apparatus of claim 30, wherein the log file is periodically received from a swap gateway. The method of claim 31, wherein the illegal user search unit, Illegal use of the mobile terminal by determining the illegal use of the mobile terminal by extracting the location information of the base station or the exchange that the mobile terminal has transmitted the wireless Internet access request signal from the log file to perform a speed impossible search of the mobile terminal Use search device. The method of claim 32, wherein the illegal user search unit, And retrieving the speed impossible search when the location information of the base station or the exchange is one of a specific location. 34. The apparatus of claim 33, wherein the specific location comprises at least one of a train station, a high speed rail station, an airport, and a bus terminal. The method of claim 34, wherein the predetermined factor is, And an at least one of a test mobile terminal and a software updated with software.

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