Mailing the story:
Frequent password changes are the enemy of security, FTC technologist says
Shortly after Carnegie Mellon University professor Lorrie Cranor became chief technologist at the Federal Trade Commission in January, she was surprised by an official agency tweet that echoed some oft-repeated security advice. It read: "Encourage your loved ones to change passwords often, making them long, strong, and unique." Cranor wasted no time challenging it.