On Tumblr, the singer summed it up: "#HACKERS GONNA HACK HACK HACK HACK HACK"
Hackers were stealing data between mid-August and mid-September, the office supplies retailer said.
A formal announcement could be coming on Thursday.
The move comes after major theaters canceled their showings.
Cyber theives may have had access since 2009.
Sens. Richard Blumenthal and Ed Markey are urging the FTC to get involved.
Chinese hackers reportedly struck when the commission was at a near standstill.
It's unclear if North Korea is involved.
The survey found that 45 percent of the country have been told their data has been targeted.
It remains to be seen whether the studio has other plans for releasing the film.
ICANN is responsible for a critical back-end Web system.
"Your stuff is safe," the company said, after attackers logged into users' accounts.
Industry supporters say government should help the market for cyber insurance.
Fox News' website took on a strange appearance on Tuesday, displaying a mishmash of old stories and...