Mealey's (June 25, 2015, 1:54 PM EDT) -- WASHINGTON, D.C. — The U.S. Office of Personnel Management (OPM) on June 4 announced that it had recently become aware of “a cybersecurity incident . . . that may have compromised the” personally identifiable information (PII) of up to 4 million current and former federal employees (U.S. Office of Personnel Management Cybersecurity Incident Announcement, OPM)....