Uploaded April 2022 | Updated September 2026, 3 weeks ago

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The psychic paper in the TV show "Doctor Who" displays whatever the Doctor needs it to show at any given time. The Java vulnerability Neil Madden exposed is a digital version of this. Dr Mike Pound explains.

Neil Madden's blog: https://neilmadden.blog/2022/04/19/psychic-signatures-in-java

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This video was filmed and edited by Sean Riley.

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

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