I applied through college career fair. The process took about 2-3 weeks. They first sent out programming questions through email, and then there is an onsite interview with 3 people.
The following metrics were computed from 3 interview experiences for the Proofpoint Software Engineer Intern role in United States.
Proofpoint's interview process for their Software Engineer Intern roles in the United States is incredibly easy as the vast majority of engineers get an offer after going through it.
Candidates reported having mixed feelings for Proofpoint's Software Engineer Intern interview process in United States.