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Storage system of mobile terminal and access control method

A mobile terminal, storage system technology, applied in message/mailbox/announcement, branch equipment, electrical components, etc., can solve problems such as improper acquisition

Inactive Publication Date: 2009-08-26
NTT DOCOMO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is, there is a problem that even if the mobile terminal is set to the locked state, by pulling out the USIM card installed on the mobile terminal from the card slot and installing it to another mobile terminal that is not set to the locked state, In the card slot of the terminal, it is also possible to access the data stored in the USIM card
Therefore, when important data such as personal information is stored in the USIM card, the important data may be illegally obtained

Method used

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  • Storage system of mobile terminal and access control method
  • Storage system of mobile terminal and access control method
  • Storage system of mobile terminal and access control method

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Embodiment Construction

[0026] Embodiments of the present invention will be described below. Specifically, (1) the overall outline structure of the communication system including the mobile terminal; (2) the structure of the storage system of the mobile terminal; (3) the operation of the storage system of the mobile terminal; (4) the function and effect; and ( 5) Other embodiments will be described.

[0027] In addition, in the following description of the drawings, the same or similar reference numerals are assigned to the same or similar parts. Wherein, it should be noted that the drawings are only schematic diagrams, and the proportions of various dimensions are different from reality.

[0028] Therefore, specific dimensions and the like should be determined in consideration of the following description. In addition, it is needless to say that the drawings also include parts where the relationship or ratio of dimensions is different from each other.

[0029] (1) Overall schematic structure of a...

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Abstract

Provided is a storage system of a mobile terminal and an access control method for more securely preventing unauthorized access to data stored in a storage medium attachable and detachable to and from the mobile terminal. The storage system of the mobile terminal includes the steps of: receiving an SMS message from an OTA server (30); relaying the SMS message (m1) including an access restriction request to request restriction of access to storage data stored in the USIM (150); and setting the USIM (150) to an access restriction state in which access from the outside to the storage data is restricted based on the access restriction request included in the relayed SMS message.

Description

technical field [0001] The present invention relates to a storage system and an access control method of a mobile terminal that restricts access to storage data stored in a storage medium that is detachable from a mobile terminal having a wireless communication function. Background technique [0002] In recent years, mobile terminals with wireless communication functions such as mobile phone terminals have been able to store a large amount of data including personal information such as phonebooks, short messages (SMS), and user certificates as the provision of functions is highly centralized. [0003] For example, in the third generation mobile phone system (3GPP) using the W-CDMA method, a storage medium that can be attached to and detached from a card slot (card slot) provided in a mobile terminal, specifically, a Universal Subscriber Identity Module (USIM: Universal In the user identity module) card, the above-mentioned personal information can be stored. [0004] A mobi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W8/24H04W88/02H04M1/725
CPCH04W12/08H04W4/12
Inventor 南本保谷早苗高桥和彦山内幸夫
Owner NTT DOCOMO INC