Twenty-four million Zappos customers were told to reset their password last month when hackers accessed the online retailer's site, possibly gaining access to personal information including names, postal addresses, email addresses, phone numbers and the last four digits of their credit card numbers. Full credit card numbers were not accessible. Zappos also warned the customers that if they used a similar password on other sites, they should change those as well. Experts don't think the incident will damage the company, citing its quick action to inform consumers of the breach. Zappos has been working with law enforcement agents to find out who was behind the cyber attack.