| 摘要 |
A security system is provided, which can protect information within a portable communication terminal (200) when the terminal is lost or stolen. The security system comprises a control device (100) to protect information on the terminal having an information storage unit (222) to store information (223), and the control device includes an instruction accepting unit (120) to accept a protection instruction to protect information from a user of the terminal and a cancellation instruction to cancel the protection of the information, an authentication unit (126) to certify the user of the terminal, and an instruction exhibiting unit (130) to notify the terminal of the protection instruction and the cancellation instruction when the authentication unit authenticate the user, and the terminal includes an instruction referring unit (230) to receive the protection instruction and the cancellation instruction from the control device, a protecting unit (234) to perform a process of protecting the information according to the protection instruction and a canceling unit (238) to perform a process of canceling the protection of the information according to the cancellation instruction.
The control device can be an application service provider communicating with the terminal through the Internet or wireless or wired telephone line. The terminal can be a notebook, PDA or mobile phone, which downloads the security program upon registration of the user at the ASP.
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