Digital Intern applicants have rated the interview process at Protiviti with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 77.5% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Two back-to-back virtual interviews by Digital lead. One is behavioral, and the second is a process flow you are sent ahead of time. Behavioral interview is straightforward (I recommend googling common interview questions and preparing answers for each).