Learn essential defensive cybersecurity practices from Joel Cardella's talk at Converge 2018. Explore the City of Atlanta's local government cybersecurity strategies and discover effective communication techniques for addressing security concerns. Dive into the NIST Cybersecurity Framework and its widely-agreed upon Priority 1 controls. Master key defensive measures including asset management, admin reduction, hardened configurations, vulnerability management, network separation, application whitelisting, multifactor authentication, and account controls. Gain valuable insights to enhance your organization's security posture and protect against cyber threats.