This isnt the first time redacted documents have turned out to have left hidden data intact and readable with the right tools and knowledge. A recent bug in Googles Markup tool for the Pixel phone , humorously dubbed the Acropalypse, shows this issue might be surprisingly common. In a comment on the tweet about the Pixel bug, Chris Blume shared a similar discovery about the Windows Snipping Tool. A PNG image that requires 198 bytes grows to a much larger 4.7kB file when saved over an existing...
