It's easy enough for anyone at any level of an org/business process can use it without needing too much training or support from IT staff (or having dedicated personnel). The UI is not as intuitive as I'd like - but that may be my own fault since we're using their free version which has limited functionality compared with other products out there. We've been able solve issues related to phishing emails via this tool by giving users access only when they need them instead of granting blanket permissions across all employees.