Explore effective strategies for securing Windows environments using Group Policy in this comprehensive conference talk from ShowMeCon 2018. Delve into the fundamentals of Group Policy, including its applications across local systems, domains, and individual rooms. Learn to implement restricted groups, manage logging alerts, and control user rights. Discover techniques for handling highly privileged accounts, client privileges, and security access tokens. Examine the intricacies of task scheduling, service management, and process mitigation. Gain insights into PowerShell security, app blocking, and various condition-based policies. Understand the broader implications of Group Policy in maintaining a robust Windows security posture.