Enlace original: https://www.fireeye.com/blog/threat-research/2020/07/insights-into-office-365-attacks-and-how-managed-defense-investigates.html With Business Email Compromises (BECs) showing no signs of slowing down, it is becoming increasingly important for security analysts to understand Office 365 (O365) breaches and how to properly investigate them. This blog post is for those who have yet to dip their toes into the waters of an O365 BEC, providing a …