Unverified50% confidenceFactExact time
TEMPEST计划起源于二战后期发现信号放大器处理加密电报时产生可截获的电磁辐射，冷战期间由NSA系统化，相关文件直至1995年才部分解密
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
Nikon Launches World's First Publicly Available Wireless-Free Camera: A New Hardware-Level Data Security Solution
hackernewshackernews6/25/2026
Related Claims
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