Twitter Hack May Bring Fine for Possible FTC Accord Violation

Twitter Inc. may face a large fine from U.S. regulators after a hack of several high-profile accounts including former President Barack Obama and Amazon.com Inc. Chief Executive Officer Jeff Bezos.

The Federal Trade Commission will review whether Twitter violated a 2010 settlement that resolved allegations that the company failed to safeguard consumer information in a 2009 hack, according to a person familiar with the matter. The 2009 incident, like the recent one, involved phony tweets from some accounts, including then President-elect Obama’s.

“As Yogi Berra used to say, this is déjà vu all over again,” said David Vladeck, ...