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Tamper-evident physical devices are common in sensitive computer installations. For example, network cabling can be run down transparent conduits and switches can be located in glass-fronted cabinets, allowing for any unusual device attached to the network tending to stand out in plain view.
Tamperproofing is a methodology used to hinder, deter or detect unauthorised access to a device or circumvention of a security system. Since any device or system can be foiled by a person with sufficient knowledge, equipment, and time, the term "tamperproof" is a misnomer unless some limitations on the tampering party's resources is explicit or assumed.
Anti-tamper software is software which makes it harder for an attacker to modify it. The measures involved can be passive such as obfuscation to make reverse engineering difficult or active tamper-detection techniques which aim to make a program malfunction or not operate at all if modified. [ 1 ]
Arxan's IoT products insert the anti-tamper protection into the firmware of the device itself, causing parts of the code to continually check each other for integrity. If any tamper attempt is detected, Arxan's product can either attempt to restore the code to its original form, stop the firmware from running entirely, send a notification to ...
An HSM in PCIe format. A hardware security module (HSM) is a physical computing device that safeguards and manages secrets (most importantly digital keys), and performs encryption and decryption functions for digital signatures, strong authentication and other cryptographic functions. [1]
Harbor Freight Tools won a declassification of the class action; that is, the court found that all the individual situations were not similar enough to be judged as a single class, and that their claims would require an individual-by-individual inquiry, so the case could not be handled on a class basis.
Automated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) (or LCD, transistor) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew). It is commonly used in the ...
Tamper-resistant switches (or tamper-proof switches) are types of vandal-resistant switches which are not intended to be operated except by authorized users. They may control special functions, such as auditing of voting machines , operation of power tools or equipment, enabling of security alarm systems (e.g., arming and disarming), or ...
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