The U.S. Food and Drug Administration (FDA) has released the second of three installments of its Draft Guidance to support compliance with the Mitigation Strategies to Protect Food Against Intentional Adulteration (IA) rule. Under the IA rule, the last of the major FDA Food Safety Modernization Act (FSMA) rules to be released, food facilities must develop and implement a food defense plan that identifies their significant vulnerabilities and mitigation strategies to address those vulnerabilities, and they must take steps to ensure those mitigation strategies are working.