Read the original article at https://blog.knowbe4.com/threat-actors-exploit-misconfigurations-to-spoof-internal-emails
Attackers are increasingly abusing network misconfigurations to send spoofed phishing emails, according to researchers at Microsoft. This technique isn’t new, but Microsoft has observed a surge in these attacks since May 2025.
Read the original article at https://blog.knowbe4.com/threat-actors-exploit-misconfigurations-to-spoof-internal-emails