most basic lesson you can learn from the Target and Neiman
Marcus data breaches is that you shouldn't share your personal information
with a store's cashier. When a store clerk asks for your phone number, e-mail
address, or ZIP code, simply say no.
because when you hand over your information, the stores are putting it into a
consumer database collection, used for the chain's marketing, research, and to
send you e-mails.
the retailer's security is compromised, it puts you at risk.
criminal gets hold of your credit card numbers. If he also has some of your
personal information, he can do more damage, leading to a better chance of you
becoming a victim of identity theft. Security
experts say some retailers are too lax with your personal information. They
also complain that regulations are too outdated.