JP2018205887A - Information processing equipment and information processing method and program - Google Patents

Abstract

To judge whether an e-mail instructed to be transmitted is a wrong transmission or not.SOLUTION: Information processing equipment estimates a category of an e-mail instructed to be transmitted and a category of an attachment file and notifies a warning based on the estimated category of the e-mail and the estimated category of the attachment file.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an information processing apparatus, an information processing method, and a program.

  Currently, many companies exchange information using electronic mail. Since many e-mails are sent every day, erroneous transmissions such as wrong destinations and wrong attachments of files to be transmitted have occurred. In particular, regarding an error in an attached file, there is a high possibility that it will lead to leakage of confidential information of a company. Therefore, it is a demanded issue to prevent erroneous transmission.

  In view of such a problem, Patent Literature 1 describes a system that performs transmission control using a distribution policy described in an attached file.

JP 2010-26767 A

  In the system disclosed in Patent Document 1, a distribution policy needs to be described in an attached file. However, in a file transmitted outside the organization, the format is often specified in the transmission destination organization. In that case, since the distribution policy cannot be included in the attached file, it is treated as erroneous transmission every time. In this way, if a file that is normally safe to send is treated as an erroneous transmission every time, the check of the file will be broken, and even if it is a false transmission, it will not be prevented. .

  Therefore, an object of the present invention is to provide a mechanism for determining whether an electronic mail to be transmitted is erroneously transmitted without performing a special description in an attached file.

  An information processing apparatus according to the present invention includes: a mail category estimation unit that estimates a category of an email instructed to transmit; a file category estimation unit that estimates a category of an attachment file of the email instructed to transmit; An information processing apparatus comprising: means; and notification means for notifying a warning based on the category estimated by the file category estimation means.

  In the information processing method of the present invention, the mail category estimating unit of the information processing device estimates the category of the email instructed to be transmitted, and the file category estimating unit of the information processing device includes the transmission A file category estimation step for estimating the category of the attached file of the instructed e-mail, and a notification means of the information processing device warns based on the category estimated by the mail category estimation step and the file category estimation step. An information processing method comprising: a notification step of notifying.

  The program according to the present invention is a program that can be executed in an information processing apparatus, wherein the information processing apparatus is configured to estimate a category of an e-mail that is instructed to be transmitted, and an e-mail that is instructed to be transmitted. A program for functioning as a notification means for notifying a warning based on the category estimated by the file category estimation means, the file category estimation means, and the file category estimation means.

  According to the present invention, even if a special description is not included in the attached file, it is possible to determine whether or not the transmission is erroneous.

1 is a system configuration diagram showing an example of a configuration of an e-mail inspection system of the present invention. It is a flowchart which shows an example of the email inspection in the email client in this invention, and a transmission process. It is a flowchart which shows an example of the email inspection in the email server in this invention, and a transmission process. It is a flowchart which shows an example of the category estimation process of the email in the email inspection process in this invention. It is a flowchart which shows an example of the category estimation process of the attached file in the electronic mail inspection process in this invention. It is a figure which shows an example of the relationship between the estimation category of an email in this invention, and a warning display. It is a figure which shows an example of the relationship between the estimated category of an attachment file in this invention, and a warning display. It is a figure which shows an example of the warning display at the time of performing the client test | inspection in this invention. It is a figure which shows an example of the audit mail browsing screen for senders in the audit mail management server in the present invention. It is a figure which shows an example of the audit mail browsing screen for auditors in the audit mail management server in this invention. It is a figure which shows the hardware constitutions of information processing apparatus.

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

  FIG. 1 is a system configuration diagram showing an example of the configuration of the e-mail inspection system of the present invention.

  In FIG. 1, an e-mail server 100, one or a plurality of e-mail clients 200, and an audit mail management server 300 are connected via a local area network (LAN).

  The email server 100 stores a category dictionary, and performs category estimation processing using the category dictionary and inspection processing of received email. In addition, in response to a request from the e-mail client 200, e-mail is distributed.

  The e-mail client 200 stores a category dictionary, and performs a category estimation process using the category dictionary and an e-mail inspection process to be transmitted.

  The audit mail management server 300 is a server that saves and manages the emails that are audit targets in response to requests from the email server 100.

  Next, the hardware configuration of an information processing apparatus that can be used as the electronic mail server 100, the electronic mail client 200, and the audit mail management server 300 will be described with reference to FIG.

  As shown in FIG. 2, the information processing apparatus includes a CPU (Central Processing Unit) 201, a ROM (Read Only Memory) 202, a RAM (Random Access Memory) 203, an input controller 205, a video controller 206, a system bus 204, and the like. A memory controller 207 and a communication I / F controller 208 are connected.

  The CPU 201 comprehensively controls each device and controller connected to the system bus 204.

  The ROM 202 or the external memory 211 includes a BIOS (Basic Input / Output System) and an OS (Operating System) that are control programs executed by the CPU 201, and a computer-readable program and various necessary programs for realizing the information processing method. Holds data (including data table).

  The RAM 203 functions as a main memory, work area, and the like for the CPU 201. The CPU 201 implements various operations by loading a program or the like necessary for executing the processing from the ROM 202 or the external memory 211 to the RAM 203 and executing the loaded program.

  The input controller 205 controls input from an input device such as a keyboard 209 or a pointing device such as a mouse (not shown). When the input device is a touch panel, the user can perform various instructions by pressing (touching with a finger or the like) in accordance with an icon, a cursor, or a button displayed on the touch panel.

  The touch panel may be a touch panel capable of detecting a position touched with a plurality of fingers, such as a multi-touch screen.

  The video controller 206 controls display on an external output device such as the display 210. The display includes a display of a notebook computer integrated with the main body. The external output device is not limited to a display, and may be a projector, for example. An input device is also provided for the device that can accept the touch operation described above.

  Note that the video controller 206 can control a video memory (VRAM) for display control, and a part of the RAM 203 can be used as a video memory area, or a dedicated video memory can be provided separately. Is possible.

  The memory controller 207 controls access to the external memory 211. The external memory is connected via an adapter to an external storage device (hard disk), flexible disk (FD), or PCMCIA card slot that stores boot programs, various applications, font data, user files, editing files, and various data. A compact flash (registered trademark) memory or the like can be used.

  The communication I / F controller 209 connects and communicates with an external device via a network, and executes communication control processing on the network. For example, communication using TCP / IP, telephone lines such as ISDN, and communication using 3G lines of mobile phones are possible.

  Note that the CPU 201 enables display on the display 210 by executing outline font rasterization processing on a display information area in the RAM 203, for example. Further, the CPU 201 enables a user instruction with a mouse cursor (not shown) on the display 210.

  Next, the email inspection process in the email client 200 will be described with reference to FIG. The process of this flowchart is a process executed when the e-mail client 200 transmits an e-mail, and the CPU 201 of the e-mail client 200 reads and executes a predetermined control program.

  In step S201, an e-mail transmission request is received by receiving an instruction from the sender.

  In step S202, category estimation processing (FIG. 4) is performed on the email received in step S201, and the estimated category and presence / absence of warning display are stored.

  In step S203, it is determined whether or not an attached file exists in the electronic mail. If it exists (Yes in step S203), the process proceeds to step S204. If it does not exist (No in step S203), the process proceeds to step S205.

  In step S204, category estimation processing (FIG. 5) is performed on the attached file of the e-mail, and the estimated category and presence / absence of warning display (necessity) are stored.

  In step S205, based on the determination results in steps S202 and S204, it is determined whether there is a warning display (warning display is performed). Further, it is determined whether or not the categories estimated in step S202 and step S204 match. If there is a warning display or the categories do not match (Yes in step S205), the process proceeds to step S206. If not (No in step S205), the process proceeds to step S209.

  In step S206, a warning message for the electronic mail is displayed (FIG. 8).

  If the send button 801 is pressed on the warning screen shown in FIG. 8 (Yes in step S207), the process proceeds to step S208. If the cancel button 802 is pressed (No in step S207), the process proceeds to step S208. The process proceeds to S210.

  In step S208, the fact that the electronic mail is subject to auditing is added to the mail header of the electronic mail.

  In step S209, the e-mail transmission request is transmitted to the e-mail server 100.

  In step S210, the transmission process is canceled.

  Next, an e-mail inspection process in the e-mail server 100 will be described with reference to FIG. The processing shown in this flowchart is executed when the e-mail server 100 transmits an e-mail in response to a transmission request from the e-mail client 200. The CPU 201 of the e-mail server 100 reads a predetermined control program. To be executed.

  In step S301, a transmission request from the email client 200 is received.

  In step S302, it is determined whether or not the email header of the electronic mail describes that it is an audit target. That is, it is determined in step S208 whether or not the e-mail client 200 has described that it is an audit target. If it is an audit target (Yes in step S302), the process proceeds to step S307. If not (No in step S302), the process proceeds to step S303.

  In step S303, category estimation processing (FIG. 4) is performed on the email received in step S301, and the estimated category and presence / absence of warning display are stored.

  In step S304, it is determined whether or not an attached file exists in the electronic mail. If it exists (Yes in step S304), the process proceeds to step S305. If it does not exist (No in step S304), the process proceeds to step S306.

  In step S305, category estimation processing (FIG. 5) is performed on the attached file of the e-mail, and the estimated category and presence / absence of warning display (necessity) are stored.

  In step S306, it is determined whether or not there is a warning display in step S303 and step S305 (whether or not warning display is necessary). In step S303 and step S305, it is determined whether or not the categories match. If there is a warning display or the categories do not match (Yes in step S306), the process proceeds to step S308. If not (No in step S306), the process proceeds to step S310.

  In step S307, a notification that the electronic mail has been added to the audit target is transmitted to the auditor.

  In step S308, a notification that the electronic mail has been added to the audit target is transmitted to the auditor and the sender.

  The inspector and the sender can manage the audit mail using a screen displayed by the audit mail management server 300 as shown in FIG. 9 and FIG.

  In step S309, the electronic mail is stored in the audit mail storage server 300 as an audit target.

  In step S310, the electronic mail is transmitted.

  Next, the e-mail category estimation process will be described with reference to FIG. This process is executed by the e-mail server 100 and the e-mail client 200.

  In step S401, the subject category is estimated from the subject of the email and the category dictionary using a known technique. If the category cannot be estimated, it is unknown. Any technique that does not use a category dictionary may be used as long as the category can be estimated from the subject of the e-mail.

  In step S402, the category of the text is estimated from the text of the electronic mail and the category dictionary using a known technique. If the category cannot be estimated, it is unknown. Any technique that does not use a category dictionary may be used as long as the category can be estimated from the text of the e-mail.

  In step S403, for example, as shown in FIG. 6, the e-mail estimated category and the presence / absence of warning display are determined from the combination of the subject category and the body estimated category. Note that the diagram shown in FIG. 6 is an example, and may be used in various combinations according to the use and purpose of the system user.

  Next, the attached file category estimation processing will be described with reference to FIG. This process is executed by the e-mail server 100 and the e-mail client 200.

  In step S501, the category of the file name is estimated from the file name of the attached file and the category dictionary using a known technique. If the category cannot be estimated, it is unknown. Any technique that does not use a category dictionary may be used as long as it can estimate the category from the file name.

  In step S502, the text of the attached file is extracted.

  In step S503, it is determined whether or not the text of the attached file can be extracted. If extraction is possible (Yes in step S503), the process proceeds to step S504. If extraction is not possible (No in step S503), the category of the extracted text is unknown (step S505).

  In step S504, the category of the extracted text is estimated from the text extracted in step S502 and the category dictionary using a known technique. If the category cannot be estimated, it is unknown. Any technique that does not use a category dictionary may be used as long as the technique can estimate the category from the extracted text.

In step S506, for example, as shown in FIG. 7, the estimated category of the attached file and the presence / absence of warning display (necessity) are determined from the combination of the estimated category of the file name and the estimated category of the extracted text. Note that the diagram shown in FIG. 7 is an example, and may be used in various combinations depending on the use and purpose of the system user.

FIG. 9 is an example of an audit mail browsing screen that the audit mail management server 300 displays for the auditor.

  A send button 901 is a button for sending the e-mail. When the button is pressed by the inspector, the e-mail transmission request is transmitted to the e-mail server 100. In this case, the inspection process in the electronic mail server 100 is not executed, and the electronic mail is transmitted to the transmission destination set in the electronic mail.

  A delete button 902 is a button for deleting the e-mail. When the button is pressed by the auditor, the electronic mail is deleted from the audit mail management server 300.

  FIG. 10 is an example of an audit mail browsing screen that the audit mail management server 300 displays for the sender.

  A delete button 1001 is a button for deleting the e-mail. The electronic mail is deleted from the audit mail management server 300 when the button is pressed by the sender.

  Through the above processing, the category of the e-mail body and the category of the attached file are estimated, and if the category of the e-mail body and the category of the attached file are different, a warning can be notified.

  As a result, it is possible to prevent erroneous transmission such as transmitting a file unrelated to the mail text (that is, a file that should not be transmitted originally).

  Further, even when the subject and the content of the text do not match, or when the file name and the content do not match, a warning can be issued by the processing of the present invention.

  Although the embodiment of the information processing apparatus has been described above, the present invention can take an embodiment as a system, apparatus, method, program, recording medium, or the like. Specifically, the present invention may be applied to a system composed of a plurality of devices, or may be applied to an apparatus composed of a single device.

  The program according to the present invention is a program that allows a computer to execute the processing methods of the flowcharts shown in FIGS. 3 to 6, and the storage medium according to the present invention is a program that allows the computer to execute the processing method according to FIGS. 3 to 6. Is remembered. The program in the present invention may be a program for each processing method of each apparatus in FIGS.

  As described above, a recording medium that records a program that implements the functions of the above-described embodiments is supplied to a system or apparatus, and a computer (or CPU or MPU) of the system or apparatus stores the program stored in the recording medium. It goes without saying that the object of the present invention can also be achieved by reading and executing.

  In this case, the program itself read from the recording medium realizes the novel function of the present invention, and the recording medium recording the program constitutes the present invention.

  As a recording medium for supplying the program, for example, a flexible disk, hard disk, optical disk, magneto-optical disk, CD-ROM, CD-R, DVD-ROM, magnetic tape, nonvolatile memory card, ROM, EEPROM, silicon A disk or the like can be used.

  Further, by executing the program read by the computer, not only the functions of the above-described embodiments are realized, but also an OS (operating system) operating on the computer based on an instruction of the program is actually It goes without saying that a case where the function of the above-described embodiment is realized by performing part or all of the processing and the processing is included.

  Furthermore, after the program read from the recording medium is written to the memory provided in the function expansion board inserted into the computer or the function expansion unit connected to the computer, the function expansion board is based on the instructions of the program code. It goes without saying that the case where the CPU or the like provided in the function expansion unit performs part or all of the actual processing and the functions of the above-described embodiments are realized by the processing.

  The present invention may be applied to a system constituted by a plurality of devices or an apparatus constituted by a single device. Needless to say, the present invention can be applied to a case where the present invention is achieved by supplying a program to a system or apparatus. In this case, by reading a recording medium storing a program for achieving the present invention into the system or apparatus, the system or apparatus can enjoy the effects of the present invention.

  Furthermore, by downloading and reading a program for achieving the present invention from a server, database, etc. on a network using a communication program, the system or apparatus can enjoy the effects of the present invention. In addition, all the structures which combined each embodiment mentioned above and its modification are also included in this invention.

100 Email Server 200 Email Client 300 Stored Mail Management Server

Claims (8)

A mail category estimation means for estimating a category of an email instructed to be transmitted;
File category estimation means for estimating the category of the attached file of the e-mail instructed to transmit;
A notification means for notifying a warning based on the category estimated by the mail category estimation means and the file category estimation means;
An information processing apparatus comprising:   The information processing apparatus according to claim 1, wherein the mail category estimation unit estimates an email category by estimating a subject category and a body category of the email.   The information processing apparatus according to claim 1, wherein the file category estimation unit estimates a category of the attached file by estimating a file name category and a body text category of the attached file. Email warning determination means for determining whether to notify a warning based on the category of the subject and the category of the body estimated by the mail category estimation means,
The information processing apparatus according to claim 2, wherein the notification unit notifies the warning when the mail warning determination unit determines to notify the warning. Based on the file name category and the body category estimated by the file category estimation means, further comprising a file warning determination means for determining whether to notify a warning;
The information processing apparatus according to claim 3, wherein the notification unit notifies the warning when the file warning determination unit determines to notify the warning.   The warning means further notifies a warning when the category estimated by the mail category estimating means is different from the category estimated by the file category estimating means. The information processing apparatus according to claim 1. A mail category estimation step in which a mail category estimation unit of the information processing apparatus estimates a category of an email instructed to be transmitted;
A file category estimation step in which the file category estimation means of the information processing apparatus estimates the category of the attachment file of the e-mail instructed to transmit;
The notification means of the information processing apparatus, a notification step of notifying a warning based on the category estimated by the mail category estimation step and the file category estimation step,
An information processing method comprising: A program executable in the information processing apparatus,
The information processing apparatus;
A mail category estimation means for estimating a category of an email instructed to be transmitted;
File category estimation means for estimating the category of the attached file of the e-mail instructed to transmit;
A program for functioning as a notification means for notifying a warning based on the category estimated by the mail category estimation means and the file category estimation means.

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