Most people leave a trail of data nearly everywhere they go. Some of that data links to critical information, such as bank and credit card accounts.

An ATM can be a lifesaver when you’re on the go and need some fast cash. But as helpful as these machines can be, they’re also magnets for fraudsters who are out to make a quick buck.

Being able to bank or shop online is a great convenience, but you want to be sure you’re protecting yourself before you hit send. If the wrong people access your accounts, you might find yourself with a lot less in the bank than you thought. Here are six steps you can take to help make sure that doesn’t happen.