Bear in mind that the link lists averages across the entire US. Its giving salaries everywhere form Akron, OH to San Diego, CA. Clearly they aren't necessaril

Bear in mind that the link lists averages across the entire US. Its giving salaries everywhere form Akron, OH to San Diego, CA. Clearly they aren't necessarily top-end Silicon Valley salaries, but people working with security clearances can still make respectable salaries.