← All courses
The Email Threat Landscape
Why any of this matters in real financial terms – phishing, BEC, lookalike domains, blacklists, and signup fraud.
Phishing and BEC: How Spoofing Gets UsedThe real financial attacks that unauthenticated email actually enables.Lookalike Domains and TyposquattingThe attack DMARC enforcement doesn't stop, because it's a different domain entirely.Blacklists and Sender ReputationPerfect SPF/DKIM/DMARC doesn't help if the sending domain's reputation is already bad.Disposable Email and Signup FraudA different threat model entirely: not sending mail, but abusing who's allowed to receive it.
Ready for the quiz?
8 questions, 80% to pass. You'll give your name and email once, right before you start it – that's the only thing this course ever asks for, and it's only used to issue your certificate.
Take the final quiz