93% of organizations have experienced an email data breach in the last 12 months, at an average rate of one incident every 12 working hours. Misdirected emails, sending of wrong attachments and incorrect use of the BCC function are the top three ways data breaches occur. With this comes a significant increase in the risk of a data breach caused by outbound email. The risk is increasing, too, with organizations continuing to operate in a fully remote or hybrid model due to the COVID-19 pandemic.
Source: https://www.helpnetsecurity.com/2021/02/16/contextual-machine-learning/