1、CRS InsightsOPM Data Breach: Personnel Security Background Investigation DataMichelle D. Christensen, Analyst in Government Organization and Management (mchristensencrs.loc.gov, 7-0764)July 24, 2015 (IN10327)In a July 9, 2015, news release on the cyber-intrusions of its systems, OPM concluded with h
2、igh confidence that sensitive information, including the Social Security Numbers (SSNs) of 21.5 million individuals, was stolen from the background investigation databases. OPMs background investigation databases contain sensitive personal information on individuals (including congressional staff) w
3、ho have undergone a personnel security background investigation as part of the security clearance process. This sensitive personal information may include financial and credit data, details on alcohol or illegal drug use, names of foreign contacts, or mental health information.OPMs systems also cont
4、ain information on individuals without security clearances, but who have undergone a background investigation for other reasons. For example, OPM conducts background investigations on individuals whose positions involve policymaking, law enforcement, or other responsibilities that demand a great dea
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