A pair like Cyrillic ԁ (U+0501) and Latin d scores 0.781 mean SSIM across 18 fonts. That sounds moderate. But it is pixel-identical (SSIM 1.000) in eight of those fonts: Arial, Menlo, Cochin, Tahoma, Charter, Georgia, Baskerville, and Verdana. An attacker needs only one font to succeed. The exploitable risk is the max, not the mean.
Nature, Published online: 25 February 2026; doi:10.1038/d41586-026-00570-4
。heLLoword翻译官方下载对此有专业解读
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Here’s a few examples of what a user sees when they delete a passkey: