FBI Cyber Division recently warned about BEC and urged organizations to review their forwarding rules. BEC schemes resulted in more than $1.7 billion in worldwide losses in 2019, IC3 says. Check email addresses for slight changes and be wary of last-minute email account address changes. The letter l is one of the worst characters to use in an email address. It is extremely difficult to tell the difference between the letter and the number 1 can be indistinguishable.”]
Source: https://www.csoonline.com/article/3600793/14-tips-to-prevent-business-email-compromise.html