An emergency cybersecurity warning has organizations across the country shutting down file-sharing servers to protect sensitive data from a credible cyber threat. While this isn't a household name like Facebook or Gmail, millions of Americans interact with ShareFile without even realizing it. It's commonly used by banks, accountants, law firms, insurance agencies, healthcare providers, and mortgage companies to exchange tax returns, financial records, medical documents, and other sensitive files. Here's what happened, why experts are taking this threat so seriously, and what you should do if you've recently shared documents through a ShareFile portal. READ FULL STORY