Problem
Research questions and friction points this paper is trying to address.
electromagnetic side-channel attacks
TEMPEST attacks
ballot secrecy
Brazilian electronic voting machine
UEB
Do Electromagnetic Side-Channel Attacks Threaten Electronic Polling Stations? Scenarios and Recommendations
🤖 AI Summary
研究了巴西电子投票机面临的电磁侧信道攻击威胁，通过软件定义无线电实验评估攻击效果，并提出了防范建议。
📝 Abstract
This paper investigates the threat to ballot secrecy in the Brazilian
electronic voting machine (UEB) posed by electromagnetic side-channel attacks, also known as TEMPEST attacks. In these attacks, screen content can be reconstructed remotely by intercepting electromagnetic emanations associated with the target device's video signal. This work is motivated by a recent ruling by a Brazilian electoral court concerning an attempt to violate ballot secrecy using electronic equipment. Based on publicly available information about the electoral system, attack scenarios against polling stations are proposed. Experiments using software-defined radio show that the effectiveness of TEMPEST attacks strongly depends on the lack of oversight resulting from public unawareness of the threat. Finally, awareness guidelines are proposed for voters, poll workers, and party representatives to mitigate attack risks within a polling station.
Innovation
Methods, ideas, or system contributions that make the work stand out.
Electromagnetic Side-Channel Attacks
Software-Defined Radio
Ballot Secrecy
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