Proofpoint acquires insider threat intelligence firm ObserveIT in $225 million deal Proofpoint hopes to strengthen its enterprise security offerings through the buyout November 4, 2019 https://www.zdnet.com/article/proof...elligence-firm-observeit-in-225-million-deal/ Press Release ObserveIT: A New Chapter for ObserveIT: Why Joining Forces with Proofpoint Makes So Much Sense