Pay attention to your billing cycle on all your bills; follow up with creditors immediately concerning any missing bills.
Place out going mail in post office collection boxes.
Promptly remove all mail from your mailbox.
If you are planning to be away, have your mail put on vacation hold until you return.
Put passwords on your credit card, bank, and phone accounts. Avoid using easily available information i.e. SS#, maiden name etc. as a password.
Shred all documents with containing any personal information before putting them in the trash.
Never give personal information out over the phone unless you are certain it is safe.