Information theft-preventing protecting device of financial self-service equipment and working method thereof

Abstract

The invention discloses an information theft-preventing protecting device of financial self-service equipment and a working method thereof. The device comprises a shell, a laser distance measuring module, a control module and an interface module, wherein the laser distance measuring module, the control module and the interface module are installed in the shell; the optical axis of the laser distance measuring module aligns to a card reader on the financial self-service equipment and the periphery thereof; a circuit of the laser distance measuring module is electrically connected with the control module and the interface module sequentially; and the interface module is electrically connected with an external alarm system. When the device is operated, firstly, a precise distance parameter value between an installation point and a card reader of a laser emitting device is measured and used as an alarm distance parameter threshold value; then, measuring light beams are periodically projected to the periphery of the card reader, and the judgment is carried out according to the received measuring distance parameter and the preset early warning time parameter. When the measuring distancevalue exceeds the alarm distance parameter threshold value, the physical state or form at the periphery of the card reader is changed, and the alarm is given according to the set situation. The invention can effectively eliminate the phenomena of false alarm and missing alarm without changing the self-service equipment.

Description

technical field [0001] The invention relates to an information security protection device, in particular to an information anti-theft protection device installed on self-service equipment such as automatic deposit and withdrawal machines (ATMs, CDMs) and bank card payment terminals. Background technique [0002] At present, the anti-theft card technology on self-service equipment such as ATM machines generally uses various methods to detect whether there are foreign objects (such as card stealers) around the card reader of the self-service equipment. Three methods are generally used. The following is an example of an ATM machine. Other self-service devices are similar: [0003] 1. Using the reflection principle of infrared light, open a light hole around the card reader on the ATM, and emit infrared light from the inside of the self-service device through the light hole. If there is a block, it will be determined that there is a card stealer. [0004] The disadvantage of th...

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Problems solved by technology

[0008] This method is sensitive to the brightness of the image and requires high image clarity, which leads to a high false alarm rate; the biggest disadvantage is that it has no anti-counterfeiting function. would result in serious underreporting

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