New Underactor tool reveals pixelated text to expose sensitive data

The Underactor tool can uncover redacted text from any document and reveal sensitive data to anyone including of course cybercriminals and threat actors.

Pixelating is a common practice used in blurring or hiding certain text parts. However, according to Bishop Fox’s lead researcher Dan Petro, all such techniques to hide text including pixelation, swirling, blurring are useless. That’s because there are tools that let people “depixelate” the text and expose the hidden content, which is generally private and sensitive information.

New Tool Renders Pixelating Useless

Offensive security consultancy firm Bishop Fox released a new tool dubbed Unredactor on February 15th that can uncover redacted text from any document and reveal sensitive data to anyone including of course cybercriminals and threat actors.

This tool validates the company’s claim that pixelation is insecure and a ‘surefire’ way to leak sensitive data. The tool can take redacted text and expose the hidden clear text by simply reversing it back.

One of the images with pixelated text which Underactor tool was able to unblur

The tool’s creator, Dan Petro, noted in the company’s blog post that this tool was created to fulfill a challenge from Jumspec. Petro mentioned another tool called Depix that cleverly

Read More: https://www.hackread.com/underactor-tool-reveal-pixelated-text-expose-data/