David Kriesel: Traue keinem Scan, den du nicht selbst gefälscht hast
4 人推荐 · 跨 5 个月 · 2019–2025
中文导读
David Kriesel 在 31C3 上的德语经典演讲，讲述他如何偶然发现 Xerox 复印扫描仪在压缩扫描文档时会悄悄替换其中的数字和字符，并剖析了这个严重 bug 为何在工业界隐蔽存在了数年之久。
为什么 HN 推它
CCC 历史上的名场面之一，Xerox 替换字符事件已成为数字化档案与图像扫描盲目信任的经典反面警示。
「会德语的话千万别错过，这绝对是一场不可不看的经典之作。」HN 网友原话：If you speak german and haven’t seen this yet, watch it, this is a classic.
英文原摘要（HackerTube / Claude 整理）
David Kriesel's 31C3 talk, in German, on the discovery that Xerox scanner-copiers silently replace digits and letters in scanned documents. He explains how the bug stayed unnoticed in the wild for years.
Called a classic CCC talk, and the Xerox bug is cited as a cautionary tale about trusting scans and digitized archives.
HN 上的提及
compare this great CCC-talk by David Kriesel
I would also highly recommend
It was a really great talk.
Which has german/english dual audio, but defaults to german
If you speak german and haven’t seen this yet, watch it, this is a classic.