Thousands of web apps left sensitive data exposed online due to misconfigured settings for Microsoft Power Apps. Thirty-eight million records appeared online, including social security numbers, COVID-19 vaccination statuses, home addresses, and phone numbers. American Airlines, J.B. Hunt, Microsoft, and several government bodies are among the affected organizations. UpGuard notified 47 entities regarding the data exposure and reached out to Microsoft about it as well (via WIRED).