Which cybersecurity measure has become standard practice for major film studios to prevent leaks of unreleased content?

The film and television industry has undergone massive technological transformation in recent years. From digital distribution to enhanced security protocols, production companies are embracing cutting-edge solutions to protect intellectual property and prevent leaks of unreleased content. Test your knowledge about how major studios are implementing cybersecurity measures to safeguard their most valuable assets in an increasingly digital landscape.

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Digital watermarking that uniquely identifies each screener copy sent to critics and awards voters
Requiring all post-production staff to work exclusively on air-gapped computers with no internet access
Implementing blockchain verification for every frame of filmed content to track edits
Using quantum encryption for all digital dailies shared between production locations