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BishopFox/unredacter

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Never ever ever use pixelation as a redaction technique

7 mentions on Hacker News by 7 people: 1 story, 6 comments · first 2022-06-01 · latest 2025-12-28

Mentions per year 7 mentions · busiest year 2022 (3)
20082026
  1. …> Since pixelation does not protect the contents of the pixelated area (see e.g. https://github.com/bishopfox/unredacter ), _pseudo-pixelation_ is used: > Only colors from the fringe of the selected area are used to generate a pixelation-l
  2. Yep: https://github.com/bishopfox/unredacter
  3. > You can use the well known approach like https://github.com/bishopfox/unredacter If it's so easy and already done why not show it actually reconstructing real examples like that page. The reality is there is no existing well known…
  4. You can use the well known approach like https://github.com/bishopfox/unredacter I am just showing that jpg compression cast a digital shadow on itself that can be outside of the cropped area, which many people find unintuitive. Matching…
  5. Reminder to never use pixellation to obfuscate sensitive data: https://github.com/bishopfox/unredacter
    comment by shrx · 2022-12-25 · in Cracking encrypted LastPass vaults
  6. …block out leaving no pixels with which to reconstruct. https://news.ycombinator.com/item?id=4679801 https://github.com/bishopfox/unredacter