Explore an innovative approach to penetration testing in this conference talk from Derbycon 2019. Delve into the concept of "Assumed Breach" as Mike Saunders challenges traditional pen testing methods and advocates for a more realistic model. Learn about real-world tactics, including domain fronting, initial access techniques, and lateral movement strategies. Discover methods for finding accounts, Kerberoasting, mining Active Directory, and hunting for GPP credentials. Gain insights on trawling files and shares, hunting sessions, and leveraging PowerShell in penetration testing scenarios. Examine the pros and cons of this approach and understand how it can provide a more accurate assessment of an organization's security posture.