The most basic lesson you can learn from the Target breach is this: When you are in the checkout lane don't share your personal information.
When a store clerk asks for your phone number, your email address, or your zip code simply pass. Say no.
When you hand over your information they are putting it in a consumer database collection used by the stores for marketing, research to send you emails.
But if the retailer is compromised it puts you at risk.
Here's why: If a criminal gets a hold of your credit card numbers, they can do more damage if they also have your personal information, too. There's a better chance you'll become the victim of identity theft.
Think of it this way: When you hand over your information to the stores, you are trusting them to keep it safe and that's problematic.
Security experts say some retailers are, in general, too lax with your personal information and regulations they are just too outdated at this point.
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