In this lesson, Nick Palazzolo, CPA, dives deep into the strategies for mitigating risks within IT infrastructure. He starts by emphasizing the importance of designing, implementing, and maintaining effective controls across physical, internal, and IT-related domains, using the acronym D.I.M. to explain these three critical dimensions. Nick shares insights on protecting networks and devices, highlighting the use of isolation and segmentation strategies, such as VPNs, along with other security measures including wireless security and endpoint protection. He also revisits the COSO framework, illustrating its application in assessing cyber risks and controls. Throughout the lesson, Nick stresses the necessity of robust vulnerability management and layered security approaches. Additionally, he breaks down various identification, authentication, and authorization techniques, explaining when and how to use them effectively in various scenarios. This comprehensive exploration helps to solidify understanding of effective risk mitigation strategies and the critical role they play in safeguarding organizational IT systems.