The US Air Force confirmed a privacy-related breach involving Microsoft SharePoint, exposing Personally Identifiable Information (PII) and Protected Health Information (PHI) due to misconfigured permissions. The incident triggered an Air Force-wide shutdown of SharePoint, along with Teams and Power BI dashboards, disrupting access to mission-critical files and operational tools for service members. Restoration efforts may take up to two weeks, severely impacting military workflows. The breach aligns with prior SharePoint vulnerabilities exploited by Chinese government spies and ransomware gangs, raising concerns over foreign espionage risks. While Microsoft declined comment, past incidents—including China-based employees handling DoD cloud services—highlight systemic security lapses. The exposure of sensitive military personnel data poses national security threats, compounded by potential operational disruptions in a high-stakes defense environment.