This document provides information about operational security (OPSEC) risks on social media and best practices for service members and their families. It notes that Al-Qaeda has called for members to monitor social media for intelligence about U.S. military units, members, and their families. The document outlines specific types of information that should not be shared publicly, such as deployment details, future ship or unit movements, personal details, and technical military information. It recommends educating social media audiences about maintaining OPSEC and provides additional OPSEC resources.