SAN FRANCISCO--(BUSINESS WIRE)--Abnormal Security, a next-generation email security company, today announced that it raised $50 million in Series B venture capital funding. Led by Menlo Ventures, with participation from early investor Greylock, the round brings Abnormal’s total funding to $75 million. Abnormal is disrupting the market by using AI to reinvent email security. The funding comes amidst record-setting company growth during 2020, fueled by the growing importance of email security as.