Not for the current administration, apparently.
"...Ms. Newbold also asserted that the Trump administration had made changes to security protocols that made it easier for individuals to get clearances. The changes included stopping credit checks on applicants to work in the White House, which she said helps identify if employees of the president could be susceptible to blackmail."[0]
[0]: https://www.nytimes.com/2019/04/01/us/politics/trump-securit...