1201(a)(3)(B) a technological measure "effectively controls access to a work" if the measure, in the ordinary course of its operation, requires the application of information, or a process or a treatment, with the authority of the copyright owner, to gain access to the work.
So, even trivial measures like the broadcast flag or SCMS[0] are covered by the DMCA's anti-circumvention provisions. Similar laws in other countries have similar definitions.
1201(a)(3)(B) a technological measure "effectively controls access to a work" if the measure, in the ordinary course of its operation, requires the application of information, or a process or a treatment, with the authority of the copyright owner, to gain access to the work.
So, even trivial measures like the broadcast flag or SCMS[0] are covered by the DMCA's anti-circumvention provisions. Similar laws in other countries have similar definitions.
[0] https://en.wikipedia.org/wiki/Serial_Copy_Management_System