It's wise to conduct background screening of new recruits. The reasons for this could include:
- Legal requirement (such as confirming the right to work in your country)
- Security. Both for your own business, and you may need to make security assurances to large clients at various points, which is a lot easier if you've done the basics in advance
- Checking candidates have been honest and open in their application and interview.
You only do these checks after offering a position to a successful candidate. So ensure that your communications to successful candidates emphases that offers of employment are conditional on the successful candidate complying with, and completing, your screening.
At the basic level this simply confirms that a person is who they say they are, they have no unspent criminal convictions, and they are legally able to work for you.
Here's a clear and simple process for doing background screening...