The recent Google Cloud Platform (GCP) outage on June 12th, 2025, which lasted over two hours and impacted more than 80 Google services, underscored the vast interdependencies inherent in modern architectures and the potential for widespread disruption. Companies unaffected directly by GCP still encountered issues due to their reliance on vendors that use GCP, as exemplified by Cloudflare's service interruption. To mitigate such risks, organizations are encouraged to adopt rigorous testing practices, including resilience testing, "Blackhole" experiments, and comprehensive backup tests to ensure their systems can withstand various failure scenarios. Regular testing of third-party dependencies and backups is crucial, as it allows companies to identify and rectify vulnerabilities before they lead to critical failures. This proactive approach not only prepares systems for inevitable outages but also minimizes customer impact, ultimately enhancing system reliability and resilience.