More extensions of the DMCA.
Wired story.

“The DMCA was intended to protect copyright owners who took technical steps to ‘lock up’ their content,” said von Lohmann. “But Sony PlayStation 1 games are not locked up. There is no encryption on these game CDs. That’s not stopping Sony from invoking the DMCA against PlayStation 1 mod chips. I guess when you’ve got the big hammer of the DMCA, everything starts looking like a nail.”