Misconfigured email routing enables internal

Securityaffairs.Co •Pierluigi Paganini • January 7, 2026

Attackers exploit misconfigured email routing to spoof internal emails, using PhaaS platforms like Tycoon2FA to steal credentials. Attackers exploit misconfigured email routing and spoof protections to send phishing emails appearing internal, using PhaaS platforms like Tycoon2FA to steal credentials. “Phishing actors are exploiting complex routing scenarios and misconfigured spoof protections to effectively spoof organizations’ domains […]

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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

Misconfigured email routing enables internal

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Extracted Entities

Attack Types (1)

Malware (1)