X9 TR 8 Check Security Guidelines provides information for people involved in paper check or electronic check processing to become more familiar with industry practices and processes that identify and deter fraudulent use of paper checks, check images, and electronically transmitted check data. This report also discusses tools that detect and prevent fraud, covering topics from high-tech software to low-tech physical control of the source documents.

These guidelines do not cover all possible techniques or preventive measures. While there are no guarantees that these techniques or measures will prevent fraudulent check use, they do provide the basics necessary to evaluate vulnerability to check fraud.