Unredacting Pixelated Text
Experiments in unredacting text that has been pixelated.
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Category Archives: redaction
Redacting Documents with a Black Sharpie Doesn’t Work
We have learned this lesson again:
As part of the FTC v. Microsoft hearing, Sony supplied a document from PlayStation chief Jim Ryan that includes redacted details on the margins Sony shares with publishers, its Call of Duty revenues, and even the cost… Continue reading Redacting Documents with a Black Sharpie Doesn’t Work
aCropalypse now! Cropped and redacted images suffer privacy fail on Google Pixel smartphones
Have you ever shared a photograph where you’ve redacted some sensitive information?
Perhaps you’ve cropped out part of the image you didn’t want others to see?
Well, users of Google’s Pixel Android smartphone might be alarmed to learn that pictur… Continue reading aCropalypse now! Cropped and redacted images suffer privacy fail on Google Pixel smartphones
“Incompetent” council leaks details of students with special educational needs
Central Bedfordshire Council failed to properly redact the details of ‘dozens and dozens’ of pupils with special educational needs when responding to a Freedom of Information request, publishing them on a public website. Continue reading “Incompetent” council leaks details of students with special educational needs
Pixelating Text Not a Good Idea
People have gotten much savvier about computer security in the last decade or so. Most people know that sending a document with sensitive information in it is a no-no, so …read more Continue reading Pixelating Text Not a Good Idea
Stop pixelating! New tool reveals the secrets of “redacted” documents
A new tool makes crystal clear that it’s a big mistake to redact text by pixelating it.. or indeed blurring it, or even applying a “swirl” filter.
Read more in my article on the Hot for Security blog. Continue reading Stop pixelating! New tool reveals the secrets of “redacted” documents
This Week in Security: XcodeSpy, Insecure SMS, and Partial Redactions
There seems to be a new trend in malware, targeting developers and their development and build processes. The appeal is obvious: rather than working to build and market a malicious …read more Continue reading This Week in Security: XcodeSpy, Insecure SMS, and Partial Redactions
Reverse-Engineering the Redactions in the Ghislaine Maxwell Deposition
Slate magazine was able to cleverly read the Ghislaine Maxwell deposition and reverse-engineer many of the redacted names.
We’ve long known that redacting is hard in the modern age, but most of the failures to date have been a result of not reali… Continue reading Reverse-Engineering the Redactions in the Ghislaine Maxwell Deposition
How a Simple Copy/Paste Revealed Explosive New Detail in Manafort’s Case
Redacted court documents keep getting unredacted because of simple, relatively easy to avoid errors. Here’s how to better redact PDFs. Continue reading How a Simple Copy/Paste Revealed Explosive New Detail in Manafort’s Case
Back Issues of the NSA’s Cryptolog
Five years ago, the NSA published 23 years of its internal magazine, Cryptolog. There were lots of redactions, of course. What’s new is a nice user interface for the issues, noting highlights and levels of redaction…. Continue reading Back Issues of the NSA’s Cryptolog