Misconfigured email routing enables internal-spoofed phishing

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Email Spoofing Exploit via Misconfigured Routing Attackers are exploiting misconfigured email routing to spoof internal emails, utilizing PhaaS platforms like Tycoon2FA to steal credentials. This tactic allows phishing actors to bypass spoof protections and send emails that appear to originate from within organizations, targeting their domains. 4 sources 22