on your credit card accounts, do not put the complete account number on your check. just put the last four digits. the credit card company knows the rest of the number and anyone who might be handling your check as it passes through the check processing channels won’t have access to it.
4. put your work phone number on your checks instead of your home phone. if you have a po box, use that instead of your home address. if you don’t have a po box, use your work address.
5. never have your social security number or drivers license number printed on your checks.
6. copy the front and back of everything 