NSA won’t say that the agency would stop using contractors in top secret IT positions to prevent a leak such as the one that exposed NSA programs to collect metadata on U.S. citizens. Gen. Keith Alexander also announced at a Senate hearing on June 12 that the Defense Department will examine the oversight mechanisms in place that are designed to prevent all individuals with top secret clearances from accessing information they’re not just contractors. The federal government relies heavily on contractors because it doesn’t have the expertise on staff to meet its needs.”]
Source: https://www.bankinfosecurity.com/nsa-wont-jettison-contractors-yet-a-5832