This past year we have heard of multiple hacks on companies where social security numbers and personal data were stolen from employees. But this new hack is not just your standard cyberattack. These hackers found an indirect way to infiltrate the U.S. Office of Personnel Management and steal the private health information, financial history, and fingerprints of 22 million employees and applicants. How did the hackers gain access to all this private information? The following video explains how.

Watch the CNET video here