KR20060081162A - System and method for filtering spam short message service - Google Patents

Abstract

The present invention provides a content providing server that provides an anti-spam program, an anti-spam server that analyzes the patterns of the collected spam SMSs and provides the analyzed pattern as an anti-spam filter, and downloads an anti-spam program from the content providing server, After the anti-spam filter is downloaded from the anti-spam server, when the SMS is received, the mobile terminal is configured to block the spam message by determining whether the SMS belongs to the blocking keyword input by the user or the spam pattern of the anti-spam filter. As the anti-spam filter is downloaded, the mobile terminal can block not only the blocking keyword set by the mobile terminal but also the SMS of the spam pattern reported by others.

Handset, Spam, Text Message

Description

System and Method for filtering Spam Short Message Service             

1 is a block diagram schematically showing the configuration of a spam short message blocking system according to an embodiment of the present invention.

2 is a flowchart illustrating a spam short message blocking method of a mobile terminal according to the present invention;

3 is a flowchart illustrating a method of registering blocked keyword information in a mobile terminal according to the present invention;

4 is a flowchart illustrating an anti-spam filter updating method according to the present invention.

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

100: mobile terminal 110: content providing server

120: Anti Spam Server

The present invention relates to a spam short message blocking system and method that allows a mobile terminal to download an anti-spam filter from an anti-spam server to block SMS of spam patterns reported by others as well as blocking keywords input by a user.

Short message service is a text service that can exchange short sentences of about 40 letters between a mobile communication terminal or a personal computer connected to the Internet and a mobile communication terminal. Unlike e-mail, contents can be delivered at almost the same time as when they are sent. Unlike wireless paging service, they can be stored for a few days even if the mobile terminal is turned off or even in an area where communication is impossible. It is hardened.

As short message service is emerging as a new means of communication, the advertisement using it is flooding. In particular, in Korea, where the communication infrastructure is well established such that the number of mobile subscribers corresponds to almost half of the total population, target marketing methods using personal information or location information of subscribers are already commercialized.

Irrespective of the subscriber's intention, such a short message can be positively provided to provide the subscriber with useful information. However, it is true that the subscriber has the inconvenience of having to delete the received message one by one and has the side effect of wasting of radio resources.

Therefore, if there is a suspicion that the received short message is an advertisement short message, a spam message blocking service is used to block it.

The spam message blocking service is a method of blocking SMS transmission, or blocking a SMS transmission by a service company for a phone number or a string reported by a user.

Therefore, the spam message blocking service as described above has a narrow determination range of spam and hassle that a user must specify.

Accordingly, an object of the present invention is to provide a spam short message blocking system and method that can block not only the blocking keyword set by the anti-spam filter but also the SMS of the spam pattern reported by others.

Another object of the present invention is to separate and store the spam SMS in a separate storage box, spam messages stored in the spam letter box to the anti-spam server system and method that can provide the data necessary for anti-spam filter production anti-spam filter To provide.

According to an aspect of the present invention to achieve the above object, the content providing server for providing an anti-spam program, an anti-spam server for analyzing the pattern of the collected spam SMS and providing the analyzed pattern by making an anti-spam filter, the After downloading an anti-spam program from a content providing server, downloading an anti-spam filter from the anti-spam server, and receiving an SMS, whether the SMS belongs to a blocking keyword input by a user or a spam pattern of the anti-spam filter. Provided is a spam short message blocking system comprising a mobile terminal for judging and blocking spam messages.

The anti-spam server analyzes the characteristics of the sender, the message length and the content, and the occurrence time of the spam SMS collected by the report of the user or another person, and generates an anti-spam filter to determine the SMS of a similar pattern as spam by the mobile terminal. To provide.

When the received SMS is a spam message, the mobile terminal stores the SMS in a spam mailbox, and when a spam SMS report request command stored in the spam mailbox is input from the user, the mobile terminal transmits the stored spam SMS to an anti-spam server.

According to another aspect of the present invention, in the method for the mobile terminal to block a spam short message, by downloading an anti-spam program from the content providing server to set the anti-spam information, when the SMS is received, by running the anti-spam program to the It is determined whether the SMS is a spam SMS, and if it is determined that the SMS is a spam SMS, a spam short message blocking method is provided which is stored in a spam box.

The anti-spam information is set by receiving blocking keyword information by the user or by accessing the anti-spam server and downloading an anti-spam filter.

Determining whether the SMS is a spam SMS determines whether the received SMS belongs to the stored blocking keyword or the spam pattern of the anti-spam filter, and as a result of the determination, the SMS is determined based on the spam pattern of the blocking keyword or the anti-spam filter. If belonging, it is determined that the SMS is a spam SMS.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 is a block diagram schematically showing the configuration of a spam short message blocking system according to an embodiment of the present invention.

Referring to FIG. 1, the spam short message blocking system generates an anti-spam filter using an SMS of a mobile terminal 100, a blocking keyword, or a spam pattern that filters a received SMS to block a spam message, and generates the anti-spam filter. An anti-spam server 120 for providing a spam filter to the mobile terminal 100, and a content providing server 110 for providing an anti-spam program to the mobile terminal 100.

The anti-spam program is a program for blocking spam SMS.

The mobile terminal 100 downloads and installs an anti-spam program from the content providing server 110, and downloads an anti-spam filter from the anti-spam server 120. Due to the download of the anti-spam filter, the mobile terminal 100 may block SMS of spam patterns reported by others as well as the blocking keyword set by the mobile terminal 100.

The anti-spam server 120 analyzes the patterns of the collected spam SMSs and makes the analyzed patterns into anti-spam filters and provides them to the mobile terminal 100.

That is, the anti-spam server 120 generates an anti-spam filter that analyzes the characteristics of the sender, the message length and the content, and the occurrence time of the SMS received by the user's report to determine the SMS of the similar pattern as spam. And transmit to the mobile terminal 100.

The anti-spam filter is updated by the user's report, and the updated anti-spam filter is provided to the mobile terminal 100 periodically or at the request of the user.

2 is a flowchart illustrating a spam short message blocking method of a mobile terminal according to the present invention, and FIG. 3 is a flowchart illustrating a blocking keyword information registration method in a mobile terminal according to the present invention.

Referring to FIG. 2, the mobile terminal accesses the content providing server, downloads and installs an anti-spam program (S200), and receives blocking keyword information from the user (S202). That is, when the mobile terminal accesses a content providing server to download and install an anti-spam program, the mobile terminal can block spam SMS. The user inputs blocking keyword information to block the spam SMS.

A method of inputting the blocking keyword information by the user will be described with reference to FIG. 3.

Referring to FIG. 3, when the mobile terminal receives the spam short message blocking menu selection information from the user (S300), the mobile terminal displays a blocking keyword information input screen (S302). In the spam short message blocking menu, a specific key button is separately placed on the keypad, and when this key button is selected, the spam short message blocking menu can be moved directly to the spam short message blocking menu. In addition, instead of having a key button for a specific purpose on the keypad, a menu button may be selected and a corresponding menu may be selected from a menu list displayed on the screen.

When step 302 is performed, the user inputs a block keyword on the displayed block keyword information input screen. The blocking keyword information refers to a specific phone number, a specific string, etc. to be blocked.

One or more blocking keywords may be selected, and when selecting a plurality of blocking keywords, the number of blocking keywords that can be transmitted in one control short message is one transmission limit of a short message (80 bytes) and the size of each blocking keyword. Determined by The blocking keyword is any one of letters, numbers or a combination of letters and numbers that can identify a spam short message. For example, the keyword may be 'adult', 'advertisement', '700', 600 'or a specific phone number.

The mobile terminal stores the blocking keyword information input by the user (S304).

If the user inputs the blocking keyword in the blocking keyword input screen, a confirmation message screen for confirming whether or not the user has made the selection is displayed. When the registration confirmation is completed, the mobile terminal stores the entered blocking keyword and setting information and activates the spam short message blocking function.

Referring to FIG. 2 again, when the blocking keyword information is registered as described above, the mobile terminal accesses the anti-spam server and downloads the anti-spam filter (S204).

The anti-spam filter refers to determining the SMS of a similar pattern as spam by analyzing characteristics of the sender message length, history and generation time of the SMS received by a plurality of users. Accordingly, the mobile terminal may block a message corresponding to a blocking keyword registered by another person in addition to the blocking keyword registered by the mobile terminal.

After performing step 204, if an SMS is received (S206), the mobile terminal drives the anti-spam program (S208). The anti-spam program is run to determine if the received SMS is a spam message.

After performing step 208, the mobile terminal determines whether the received SMS is a spam SMS (S210). That is, the mobile terminal determines whether the received SMS belongs to a blocking keyword registered by the user or an antispam filter downloaded from the antispam server.

If it is determined in step 210 that the SMS is a spam SMS, the mobile terminal stores the received SMS in a spam box (S212). That is, when the received SMS belongs to a blocking keyword or an anti-spam filter registered by the mobile terminal, the mobile terminal determines the SMS as a spam SMS and automatically stores the SMS in a spam letter box.

The SMS stored in the spam mailbox is transmitted to the anti-spam server by the user's report, and the anti-spam server analyzes the characteristics of the SMS and updates the anti-spam filter to determine that SMS similar to the analyzed feature is spam. . That is, the user reports the entire message stored in the spam mailbox or the corresponding SMS to the anti-spam server to provide the data necessary for producing the anti-spam filter.

The user may check the SMS stored in the spam mailbox and delete the batch.

If it is determined in step 210 that the SMS is not a spam SMS, the mobile terminal displays the received text message (S214).

As described above, the mobile terminal can block not only the blocking keyword set by the user but also the SMS of the spam pattern reported by another person.

4 is a flowchart illustrating an anti-spam filter updating method according to the present invention.

Referring to FIG. 4, when a spam SMS report request command is input from a user (S400), the mobile terminal transmits a spam SMS stored in a spam letter box to an anti-spam server (S402).

When the anti-spam server receives the spam SMS from the mobile terminal (S404), the anti-spam server analyzes the characteristics of the sender, the message length and the content, the generation time, etc. of each spam SMS.

The anti-spam server then updates a pre-stored anti-spam filter to determine SMS similar to the analyzed feature as spam (S408). That is, the anti-spam server analyzes the spam pattern of the spam SMS and updates the pre-stored anti-spam filter using the analysis result.

The updated anti-spam filter is downloaded and updated at the user's request or periodically at the mobile terminal.

 The present invention is not limited to the above embodiments, and many variations are possible by those skilled in the art within the spirit of the present invention.

According to the present invention as described above, due to the download of the anti-spam filter, the mobile terminal can provide a spam short message blocking system and method that can block not only the blocking keyword set by the user but also the SMS of the spam pattern reported by others. have.

In addition, according to the present invention, the spam SMS is stored in a separate storage box, the spam messages stored in the spam letter box to the anti-spam server that can provide the data required for the anti-spam filter production spam spam message blocking system and It may provide a method.

In addition, according to the present invention, since the spam SMS is stored separately in the spam letter box, the stored spam messages can be easily checked, and a spam short message blocking system and method that can use a convenient function such as batch deletion or batch report can be provided. have.

In addition, according to the present invention, since the spam SMS is processed and stored separately in the mobile terminal itself, a spam short message blocking system and method that can prevent the SMS that is incorrectly determined to be spam by the service provider to be blocked before the user's control. Can provide.

In addition, according to the present invention, by downloading the anti-spam filter provided by the anti-spam server, the user can save the hassle of having to register a spam pattern, and spam SMS reported by others as well as the type of spam reported by them. It can provide a spam short message blocking system and method that can filter out various types of spam SMS, such as SMS collected from an anti-spam server.

Claims (9)

A content providing server providing an anti-spam program; An anti-spam server that analyzes the collected spam SMS patterns and provides the analyzed patterns as anti-spam filters; After downloading an anti-spam program from the content providing server, downloading an anti-spam filter from the anti-spam server, and receiving an SMS, the SMS belongs to a blocking keyword input by a user or a spam pattern of the anti-spam filter. Mobile terminal to block spam messages Spam short message blocking system comprising a. The method of claim 1, The anti-spam server analyzes the characteristics of the sender, the message length and the content, and the occurrence time of the spam SMS collected by the report of the user or another person, and generates an anti-spam filter to determine the SMS of a similar pattern as spam by the mobile terminal. Spam short message blocking system, characterized in that provided in. The method of claim 1, When the received SMS is a spam message, the mobile terminal stores the SMS in a spam mailbox, and when a spam SMS report request command stored in the spam mailbox is input from the user, the mobile terminal transmits the stored spam SMS to an anti-spam server. Spam short message blocking system characterized in that. The method according to claim 1 or 3, The anti-spam server, upon receiving a spam SMS from the mobile terminal, analyzes the spam SMS pattern and makes the analyzed pattern an anti-spam filter to update a pre-stored anti-spam filter. . In the method for the mobile terminal to block the spam short message, Downloading an anti-spam program from a content providing server to set anti-spam information; Receiving an SMS, determining whether the SMS is a spam SMS by running an anti-spam program; If the SMS is a spam SMS, storing in the spam mailbox Spam short message blocking method comprising a. The method of claim 5, The anti-spam information is a spam short message blocking method characterized in that it is set by receiving the blocking keyword information from the user. The method of claim 5, The anti-spam information is a spam short message blocking method characterized in that the anti-spam filter is set by downloading from the anti-spam server. The method of claim 5, If a spam SMS report request command is input for the SMS determined to be not spam SMS, sending a corresponding SMS to the anti-spam server, characterized in that it further comprises the step of sending a short spam message. The method of claim 5, Determining whether the SMS is a spam SMS is Determining whether the received SMS belongs to the stored blocking keyword or the spam pattern of the anti-spam filter; And determining that the SMS is a spam SMS if the SMS belongs to the spam pattern of the blocking keyword or the anti-spam filter.

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