Uploaded March 2023 | Updated September 2026, 3 weeks ago

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Researchers stumbled upon a simple but worrying bug. Cropped images from Pixel phones contained a great deal of the original image in the cropped file. Drs Steve Bagley & Mike Pound explain.

Mike's sources:
twitter.com/itssimontime
twitter.com/david3141593
da.vidbuchanan.co.uk/blog/exploiting-acropalypse.html

Proof of concept: https://acropalypse.app/

Waiting for someone to spot that I fixed my typo on the text messages illustration but didn't fix it on the original -Sean


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This video was filmed and edited by Sean Riley.

Computer Science at the University of Nottingham: bit.ly/nottscomputer

Computerphile is a sister project to Brady Haran's Numberphile. More at bradyharan.com