What challenges do we all face with today's prevailing threat landscape? Targeted attacks are constantly increasing, and we must respond to them. There are no longer any internal networks, reliable clients, or trusted users exempt from regulations and security policies. To address today's threat landscape, we need to carefully examine every login and connection to our services, applications, and sensitive information. This engaging session describes the history of cybersecurity and how we should think in the present to mitigate today's attacks. How can we utilize Microsoft 365 to protect our users, systems, and sensitive information?