Hollywood: How do we secure high-def 4K content? Easy. Just BRAND the pirates

[InfoSec News <alerts () infosecnews org>]

http://www.theregister.co.uk/2013/10/07/security_for_4k_to_be_toughest_hurdle_to_climb_in_digital_video/

By Faultline
7th October 2013

Movielabs, the R&D business for Hollywood studios, has just issued a new 
specification for securing 4K high-def streaming video content, and one of 
the things that it’s going to demand is forensic watermarking.

This spec is being described as "recommendations", but studios will need 
to adopt these overnight as the hard and fast rules if they want to gain 
security approval to distribute quality 4K video.

A watermark has to be introduced in all 4K delivery, at the worst case at 
the server streaming the content (so that each stream is unique), or 
better still at the device. The latter will mean that the guilty party 
customer can be identified from the source of any copy found on the 
internet.


How it works

By now forensic watermarking is becoming tougher and tougher to break. In 
some systems, the watermarking process writes a unique device number into 
the content over a large number of frames in code, using key pixels, and 
in others it is only measurement against a pristine version of the file 
that reveals randomly placed pixels in a key coded sequence, which depict 
the device or stream identity.

[...]

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