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  1. 1Schneier on Securityschneier.com · about 6 posts a weekLast post 6 Nov
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Latest captchas posts

  1. Pinpointing Location of Videos from Background Airplane Sounds

    · schneier.com · Bruce Schneier

    This is fascinating : The video describes a technique that can reveal where an otherwise unidentifiable recording was made by analyzing its audio for the faint sounds of passing aircraft. The technique is both fascinating and frightening. It works by looking at Doppler curves, which plot the way a…

  2. Training AIs to Solve CAPTCHAs

    · schneier.com · Bruce Schneier

    Interesting research : Abstract : Vision-language models (VLMs) can solve visual CAPTCHAs without task-specific training, but the agents built on them approach every challenge from scratch. For such an agent, the hundredth instance of a familiar puzzle costs as much time and compute as the first…