Take PCI DSS seriously — you are liable for a breach.

PCI DSS stands for payment card industry data security standard. PCI DSS is a set of guidelines set by the card brands to ensure that merchants are taking the proper steps to safeguard cardholder information. Your business is liable for any loss of cardholder data, and you are looking at huge fines if your business experiences a breach while it is not PCI compliant. Just the audit can cost $10,000.00 So take PCI seriously, and ensure that your business is compliant. More information on PCI is available at the PCI Security Standards Council.