The Four Minutes That Turned a Phishing Email Into a Microsoft 365 Account Compromise
The Login That Looked Normal: Investigating a Manufacturing Company Compromise Start with the incident in a few paragraphs, not a list of events. At 10:03 AM, an employee received what appeared to be a routine business email. Nothing immediately suggested that the message would lead to a security incident. Four minutes later, Microsoft 365 recorded a successful login from an unusual location. By 10:11 AM, a new inbox rule had been created. Seven minutes later, 47 emails had been forwarded to an external address. The obvious question was: how did a single email turn into a Microsoft 365 account compromise in just 15 minutes? The answer was hidden in the four minutes between the email arriving and the suspicious login. Then continue like a normal article. 1. The Attack Started With an Ordinary Email Describe the phishing email naturally. Explain: •What the email appeared to be •Why it looked legitimate •What the link did •Why the employee interacted with it Then introduce the first technical clue.




