Sam Bocetta is a freelance journalist specializing in U.S. diplomacy and national security, with emphases on technology trends in cyberwarfare, cyberdefense, and cryptography.Previously, Sam worked as a security analyst for the DoD, and spent 30-plus years bolstering cyber defenses for the Navy. Much of his work involved penetration testing Navy ballistic systems. He also helped plan, manage and execute sophisticated "ethical" hacking exercises to identify vulnerabilities and reduce the risk posture of enterprise systems.Sam is now semi-retired and educates the public about security and privacy technology. He is currently working as part-time cybersecurity coordinator at assignyourwriter.co.uk.