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Proofpoint interview questions and answers Module 1: Introduction to Proofpoint Essentials 1. Q: What is Proofpoint Essentials? A: Proofpoint Essentials is a cloud-based email security platform designed to protect organizations from email-borne threats such as phishing, spam, malware, and ransomware. It operates by scanning all inbound and outbound emails in real time using threat intelligence, machine learning, and sandboxing. Unlike on-premises solutions, it requires no har