DRM Implementation ChallengesAlec Main, Vice President Multi-Device DRM                            © 2011 KUDELSKI GROUP /...
Content Security Challenges Protocol vs. “Robust” Implementation Standard vs. Proprietary One DRM vs. Multi-DRM Free vs. S...
Case Study: Control Word Sharing with DVB   DVB                     Scrambled Audio/Video                      ECM (encryp...
Actions against illegal content and key sharing                        Monitoring           Reporting                   Co...
Monitoring: There is one huge CCCam CWS network5                          © 2012 KUDELSKI GROUP / All rights reserved.
CountermeasuresProprietary technical solutions and countermeasuresprevent CWS in the future, but still hundreds ofthousand...
Legal Actions: Nagra shuts down services  7                   © 2012 KUDELSKI GROUP / All rights reserved.
Content Security Challenges revisited» OTT/DRM will also face Content Key Sharing» Who pays the CDN costs?» Who provides t...
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Copyright and Technology London 2012: Multiplatform Video Security - Alec Main, Nagra

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Copyright and Technology London 2012: Multiplatform Video Security - Alec Main, Nagra

  1. 1. DRM Implementation ChallengesAlec Main, Vice President Multi-Device DRM © 2011 KUDELSKI GROUP / All rights reserved.
  2. 2. Content Security Challenges Protocol vs. “Robust” Implementation Standard vs. Proprietary One DRM vs. Multi-DRM Free vs. Supported 2 © 2012 KUDELSKI GROUP / All rights reserved.
  3. 3. Case Study: Control Word Sharing with DVB DVB Scrambled Audio/Video ECM (encrypted CW) Scrambled Audio/Video ECM (encrypted CW) Legit Free-To-Airsmart cards Set-top box ECM ECM Descrambled Audio/Video CW CW MPEG Chipset Control Word server Why? • DVB Standard • Hardware/Software Interface 3 © 2012 KUDELSKI GROUP / All rights reserved.
  4. 4. Actions against illegal content and key sharing Monitoring Reporting Countermeasures Legal Actions 4 © 2012 KUDELSKI GROUP / All rights reserved.
  5. 5. Monitoring: There is one huge CCCam CWS network5 © 2012 KUDELSKI GROUP / All rights reserved.
  6. 6. CountermeasuresProprietary technical solutions and countermeasuresprevent CWS in the future, but still hundreds ofthousands of shared legacy smart cards XXX XXX 7% XXX 8% XXX 7% 34% XXX 7% XXX 11% XXX NAGRA 13% 13% 6 © 2012 KUDELSKI GROUP / All rights reserved.
  7. 7. Legal Actions: Nagra shuts down services 7 © 2012 KUDELSKI GROUP / All rights reserved.
  8. 8. Content Security Challenges revisited» OTT/DRM will also face Content Key Sharing» Who pays the CDN costs?» Who provides the counter measures?» Who takes the on-going responsibility for security? 8 © 2012 KUDELSKI GROUP / All rights reserved.

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