The dark days for Sony Pictures aren’t ending anytime soon. The studio is not releasing the Seth Rogen movie The Interview after threats of terrorist attacks. Meanwhile, the White House has concluded that North Korea was “centrally involved” in the hacking of Sony’s computers. The situation carries implications for national security, Hollywood, and privacy. It’s also expensive. According to a recent piece for New York magazine, this could be the most expensive corporate hack ever. We hear from the writer about how she added it up.