They're taking a really long time to process enrollments, too. After almost a week without an enrollment confirmation email, I called them and they said that, yeah, there are so many people signing up that it's taking more than the 72-hour estimate.
Even though they tried to spread out the workload by issuing enrollment dates, it's obviously not enough to keep up.
As stated in the NY Times article about the fake site:
Mr. Telang said Equifax’s actions suggested that the company had never anticipated or planned for a data breach.
“If you don’t have a plan in place, you will find different ways to screw it up,” he said. “Equifax is just a perfect example of that.”