 From shredding documents containing PII to proper use of social media sites, sailors are reminded every day to practice operations security. Follow this easy five-step process to help ensure that you are practicing good OPSEG. First, identify and classify critical information at your command. Second, understand that threats from adversaries can vary with location, intent and capability. Next, analyze your command's vulnerabilities. The fourth step is to assess the risk. What would happen if an adversary does collect personal information? And finally, employ countermeasures. For example, enforce an all-shred policy at your command. Such a countermeasure will protect you, your shipmates and your command from the enemy. For more information and tips, visit the Operations Security Facebook page.