In this podcast we examine the critical evolution of virtualisation security within modern cloud environments, highlighting how the hypervisor acts as a vital yet vulnerable point of isolation. It details the transition from complex software emulators to minimalist hardware-assisted architectures designed to reduce potential attack surfaces. By reviewing landmark breaches such as VENOM and Meltdown, the source illustrates the persistent risks posed by legacy code and hardware-level flaws. Furthermore, it discusses how regulatory frameworks like NIST and GDPR mandate rigorous technical controls to protect multi-tenant data. The analysis ultimately points toward a future of Confidential Computing, where cryptographic protections and hardware-based roots of trust ensure security even when the underlying infrastructure is compromised.