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・ Hardware Platform Interface
・ Hardware Ranch
・ Hardware random number generator
・ Hardware register
・ Hardware reset
・ Hardware restriction
・ Hardware River
・ Hardware River Wildlife Management Area
・ Hardware scout
・ Hardware Secrets
・ Hardware security module
・ Hardware store
・ Hardware store (disambiguation)
・ Hardware Store, Childers
・ Hardware stress test
Hardware Trojan
・ Hardware verification language
・ Hardware virtualization
・ Hardware Wars
・ Hardware, Virginia
・ Hardware-assisted virtualization
・ Hardware-based full disk encryption
・ Hardware-dependent software
・ Hardware-in-the-loop simulation
・ Hardwarehouse
・ HardwareZone
・ Hardwasser (Wiera)
・ Hardway
・ Hardway, Hampshire
・ Hardwell


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Hardware Trojan : ウィキペディア英語版
Hardware Trojan

A hardware Trojan (HT) is a malicious modification of the circuitry of an integrated circuit. A hardware Trojan is completely characterized by its physical representation and its behavior.
The payload of an HT is the entire activity that the Trojan executes when it is triggered. In general, malicious Trojans try to bypass or disable the security fence of a system: It can leak confidential information by radio emission. HTs also could disable, derange or destroy the entire chip or components of it.
==Background==
In a diverse global economy, outsourcing of production tasks is a common way to lower a product's cost. Embedded hardware devices are not always produced by the firms that design and/or sell them, nor in the same country where they will be used. Outsourced manufacturing can raise doubt about the evidence for the integrity of the manufactured product (i.e., one's certainty that the end-product has no design modifications compared to its original design). Anyone with access to the manufacturing process could, in theory, introduce some change to the final product. For complex products, small changes with large effects can be difficult to detect.
The threat of a serious, malicious, design alteration can be especially relevant to government agencies. Resolving doubt about hardware integrity is one way to reduce technology vulnerabilities in the military, finance, energy and political sectors of an economy. Since fabrication of integrated circuits in untrustworthy factories is common, advanced detection techniques have emerged to discover when an adversary has hidden additional components in, or otherwise sabotaged, the circuit's function.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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