Is the OPM Data Breach the Tip of the Iceberg?

On June 4th, 2015, the Office of Personnel Management (OPM) announced that it had identified a cybersecurity breach affecting personnel data for approximately 4 million current and former federal employees, including personally identifiable information (PII). As the investigation into the initial intrusion proceeded, the Interagency Response Team shared with relevant agencies that there was a high degree of confidence that OPM computer systems containing information on background investigat...