The two biggest things one can do to lose or be denied access to a security clearance are 1) foreign contacts and travel and 2) financial issues. Most of the s

The two biggest things one can do to lose or be denied access to a security clearance are 1) foreign contacts and travel and 2) financial issues. Most of the security clearance denial appeals are published by the US government, and just from a cursory glance, you can see that mundane credit problems, foreclosures, etc. are the top reason given. * http://ogc.osd.mil/doha/industrial/2017.html http://ogc.osd.mil/doha/industrial/2017.html